29P/Schwassmann-Wachmann 1

29P/Schwassmann-Wachmann 1
Reported observations:
2017 Apr. 05.75 UT: m1=[14.9, ... 25-cm L f:5 (166x) ... Chris Wyatt (Walcha, NSW, Australia) [Not visible; Limiting magnitude 14.9. Comparison stars checked using APASS data in Guide 9.0; Method= I; Cat= AQ]
2017 Mar. 27.74 UT: m1=[14.4, ... 25-cm L f:5 (83x) ... Chris Wyatt (Walcha, NSW, Australia) [Limiting magnitude = 14.7. Comparison stars checked using APASS data in Guide 9.0; Method= I; Cat= AQ]
2016 Dec. 01.43 UT: m1=[14.3, negative... 25-cm L f:5 (166x)... Chris Wyatt (Walcha, NSW, Australia) [Comet not visible... Stellar limiting magnitude = 14.3. Altitude = 17.8°]
2016 Nov. 22.42 UT: m1=[13.6, negative... 25-cm L f:5 (166x)... Chris Wyatt (Walcha, NSW, Australia) [Not visible, stellar limiting magnitude=13.6]
2016 Nov. 16.77 UT: m1=12.5, Dia.=0.9′, DC=3... 20-cm SCT (133x)... Juan José González (Gamoniteiro – Sierra del Aramo, alt. 1730 m, Asturias, España) [Estrellas de comparación de la fotometría APASS cercana al cometa. Estrellas de campo comprobadas en el DSS. Altura sobre el horizonte: 17º. Cielo muy claro de montaña]
2016 Nov. 04.40 UT: m1=12.3, Dia.=0.9′, DC=1... 40.0-cm L f/4.5 (144x)... Seiichi Yoshida (Gunma, Japan)
2016 Nov. 02.48 UT: m1=13.0, Dia.=0.8’, DC=2/... 35-cm T f:11 (122x)... Chris Wyatt (Armidale, NSW, Australia) [Coma diffuse, slight brightening to centre]
2016 Nov. 01.42 UT: m1=12.9, Dia.=0.5’, DC=2... 25-cm L f:5 (166x)... Chris Wyatt (Walcha, NSW, Australia) [Coma diffuse, slight brightening to centre. Comet closely sandwiched between two stars of 13th magnitude]
2016 Oct. 31.72 UT: m1=12.4, Dia.=0.7′, DC=3... 60-cm L (305x)... Sandor Szabo (Sopron, Hungary)
2016 Oct. 31.42 UT: m1=13.0, Dia.=0.6’, DC=2/... 25-cm L f:5 (166x)... Chris Wyatt (Walcha, NSW, Australia) [Close to mag 7.8 star, 1.6’away in P.A. 024° approximately... Inner coma diffuse and opaque, fading to edges. Does not enhance in Swan Band filter]
2016 Oct. 26.80 UT: m1=12.7, Dia.=0.2′, DC=7... 20-cm SCT (133x)... Juan José González (Pandorado, alt. 1190 m, León, España) [Outburst. Estrellas de comparación de la fotometría APASS cercana al cometa. Estrellas de campo comprobadas en el DSS. Altura sobre el horizonte: 19º. Cielo muy claro de montaña]
2016 Oct. 25.47 UT: m1=12.6, Dia.=0.2’, DC=6/... 25-cm L f:5 (166x)... Chris Wyatt (Walcha, NSW, Australia) [Outburst... Observation made difficult due to glare from Mars in the field and a 10.4 magnitude star 0.8’ away in P.A. 167°... Coma shows star-like central condensation, with an opaque and whitish coloured outer coma. Coma does not enhance in Swan Band filter but central condensation is still visible with filter applied]
2016 Oct. 24.42 UT: m1=13.8, Dia.=0.4’... DC=5/... 25-cm L f:5 (166x)... Chris Wyatt (Walcha, NSW, Australia) [Coma centre sometimes appears faintly stellar in good seeing. Close to mag 12.0 star, 0.8’away in P.A. 041°... Coma appears circular and slightly whitish in colour, outer coma opaque with a well condensed centre. No tail visible]
2016 Oct. 23.41 UT: m1=14.1, Dia.=0.3’, DC=8... 25-cm L f:5 (166x)... Chris Wyatt (Walcha, NSW, Australia) [Coma shows star-like central condensation with a very small fuzzy outer coma (post-outburst). Does not enhance in Swan Band filter. No tail, m2 approximately 14.0]
2016 Oct. 19.42 UT: m1=[14.8... 25-cm L f:5 (83x)... Chris Wyatt (Walcha, NSW, Australia) [Comet not visible... Limiting magnitude=14.8]
2016 Oct. 18.40 UT: m1=[14.5... 25-cm L f:5 (83x)... Chris Wyatt (Walcha, NSW, Australia) [Comet not visible... Limiting magnitude=14.5]
2016 Oct. 04.43 UT: m1=[14.5, Negative... 25-cm L f:5 (83x)... Chris Wyatt (Walcha, NSW, Australia) [Not visible, limiting magnitude 14.5]
2016 Sep. 28.39 UT: m1=[14.1, Negative... 25-cm L f:5 (166x)... Chris Wyatt (Walcha, NSW, Australia) [Not visible, limiting magnitude 14.1. Sky slightly hazy from smoke]
2016 Sep. 26.40 UT: m1=[15.1, Negative,... 25-cm L f:5 (166x)... Chris Wyatt (Walcha, NSW, Australia)
2016 Sep. 01.49 UT: m1=[14.4, Negative... 40.0-cm L f/4.5 (257x)... Seiichi Yoshida (Gunma, Japan)
2016 Aug. 31.83 UT: m1=13.8, Dia.=0.6′, DC=1... 60-cm L (305x)... Sandor Szabo (Hungary)
2016 Aug. 30.85 UT: m1=13.5, Dia.=0.7′, DC=2... 35-cm L (178x)... Jakub Černý (Senohraby, Czech Republic)
2016 Aug. 28.88 UT: m1=13.5, Dia.=0.8′, DC=5/... 35-cm L (178x)... Jakub Černý (Senohraby, Czech Republic)
2016 Aug. 26.89 UT: m1=13.4, Dia.=0.3′, DC=2... 35-cm L (178x)... Jakub Černý (Senohraby, Czech Republic)
2016 Aug. 25.84 UT: m1=13.4, Dia.=0.3′, DC=3/... 35-cm L (178x)... Jakub Černý (Senohraby, Czech Republic)
2016 Aug. 24.88 UT: m1=13.6, Dia.=0.5′, DC=3/... 35-cm L (178x)... Jakub Černý (Senohraby, Czech Republic)
2016 Aug. 12.70 UT: m1=13.8, Dia.=0.6’, DC=1... 25-cm L f:5 (83x)... Chris Wyatt (Walcha, NSW, Australia) [Coma very diffuse, no tail]
2016 Aug. 11.01 UT: m1=12.0, Dia.=1.5′, DC=3... 20-cm SCT (133x)... Juan José González (Alto del Trichero, alt. 1190 m, León, España) [La coma en expansión parece sin duda más amplia que lo indicado, pero su débil región externa es difícil de observar en el denso campo estelar que rodea al cometa]
2016 Aug. 05.91 UT: m1=11.8, Dia=2′, DC=2, no cola... 20-cm SCT (80x)... Carlos Labordena (Castellón, España)
2016 Aug. 02.04 UT: m1=10.8, Dia.=3′, DC=2... 22-cm L (60x)... Marco Antonio Coelho Goiato (Araçatuba, Brazil)
2016 Aug. 01.91 UT: m1=12.3, Dia.=0.8′, DC=6... 20 cm SCT (133x)... Juan José González (Cueto Rosales, alt. 1420 m, León, España) [En evolución después del reciente nuevo outburst. Estrellas de comparación de la fotometría APASS cercana al cometa]
2016 July 31.41 UT: m1=13.2, Dia.=0.8’, DC=6... 25-cm L f:5 (83x)... Chris Wyatt (Walcha, NSW, Australia) [Coma appears slightly elongated to the NW. Stellar central condensation. No tail]
2016 July 30.48 UT: m1=13.0, Dia.=0.5’, DC=6... 25-cm L f:5 (83x)... Chris Wyatt (Walcha, NSW, Australia) [Outer coma diffuse and brightening to an opaque inner coma with stellar central condensation. Outer coma dims in Swan Band filter, central condensation barely visible. No tail]
2016 July 29.45 UT: m1=13.1, Dia.=0.2’, DC=7... 25-cm L f:5 (83x)... Chris Wyatt (Walcha, NSW, Australia) [Stellar central condensation surrounded by a faint outer coma. Disappears with Swan Band filter applied. Visible at x39 but best viewed at x83 for magnitude estimate
2016 July 29.00 UT: m1=12.9, Dia.=0.4′, DC=8... 20-cm SCT (133x)... Juan José González (Pandorado, alt. 1190 m, León, España) [Fuertemente condensado después del nuevo outburst. Estrellas de comparación de la fotometría APASS cercana al cometa]
2016 July 28.42 UT: m1=13.1, Dia.=<1’, DC=9... 25-cm L f:5 (83x)... Chris Wyatt (Walcha, NSW, Australia) [Outburst! Coma stellar, almost completely disappears in Swan Band filter]
2016 July 02.51 UT: m1=[14.8 Negative, Dia.=–, DC=–... 25-cm L f:5 (166x)... Chris Wyatt (Walcha, NSW, Australia) [Comet not visible at x166. Stellar limiting magnitude = 14.5 and fainter]
2016 June 28.52 UT: m1=[14.9 Negative, Dia.=–, DC=–... 25-cm L f:5 (166x)... Chris Wyatt (Walcha, NSW, Australia) [Comet not visible, limiting magnitude 15.0 and fainter]
2016 June 08.72 UT: m1=14.2, Dia.=0.8’, DC=5/... 25-cm L f:5 (166x)... Chris Wyatt (Walcha, NSW, Australia) [Coma appears diffuse. Close to 13th mag star 0.5’away in P.A. 235°... Semi-opaque outer coma condenses to an opaque pale aqua-blue coloured centre which appears moderately condensed but not quite stellar. Difficult to track in the dobsonian telescope near zenith at high magnification. Not visible at x83]
2015 Nov. 06.42 UT: m1=[14.5, negative... 25-cm L f:5 (166x)... Chris Wyatt (Walcha, NSW, Australia) [Comet not visible, crowded star field, zodiacal light, very difficult. Limiting magnitude = 14.5.]
2015 Oct. 09.43 UT: m1=12.6, Dia.=1’, DC=1... 25cm L f:5 (83x)... Chris Wyatt (Walcha, NSW, Australia) [Coma very diffuse, close to mag 13.4 star. No tail]
2015 Oct. 05.42 UT: m1=12.3, Dia.=1.1’, DC=2/3... 25-cm L f:5 (83x)... Chris Wyatt (Walcha, NSW, Australia) [Sky slightly hazy, coma diffuse with transparent outer coma, inner coma weakly condensed but opaque, no tail. Limiting magnitude = 14.1... m2 =>14.0]
2015 Oct. 03.43 UT: m1=13.2, Dia.=1’, DC=2/3... 25-cm L f:5 (83x)... Chris Wyatt (Walcha, NSW, Australia) [No tail... does not enhance in Swan Band filter. Faint outer coma with a diffuse inner coma of even surface brightness. Limiting magnitude = 14.2... m2 =>14.0]
2015 Oct. 01.83 UT: Dia.=1.5′... 20-cm SCT (133x)... Juan José González (Alto del Castro, alt. 1720 m, León, España ) [ En evolución después de los dos recientes outbursts. Estimación de la magnitud m1 no realizada a causa de dos estrellas en la coma, de magnitudes 12.0 y 13.1 (GSC). Altura sobre el horizonte: 10º. Cielo muy claro de montaña]
2015 Sep. 22.41 UT: m1=13.0, Dia.=0.2’, DC=6... 25-cm L f:5 (166x)... Chris Wyatt (Walcha, NSW, Australia) [Moonlight, Outburst... Coma does not enhance using Swan Band filter, faint stellar central condensation, approximate m2 = 13.3... Limiting magnitude = 14.0. Coma pale blue in colour]
2015 Aug. 08.91 UT: m1=12.3, Dia.=1.1′, DC=2/... 20-cm SCT (133x)... Juan José González (Cueto Rosales, alt. 1420 m, León, España) [En evolución después del nuevo outburst. Estrellas de comparación de la fotometría APASS cercana al cometa]
2015 Aug. 07.37 UT: m1=11.9, Dia.=0.9’, DC=2... 25cm L f:5 (83x)... Chris Wyatt (Walcha, NSW, Australia) [Coma does not enhance in Swan Band filter, circular in appearance, very diffuse and pale blue in colour]
2015 July 21.88 UT: m1=12.9, Dia.=0.8′, DC=3... 60.3 cm L (244x)... Sandor Szabo (Sopron, Hungary)
2015 July 16.55 UT: m1=14.0, Dia.=0.7′, DC=5... 41-cm L f/4.5 (64x)... John Drummond (Gisborne, New Zealand) [29P appears as a faint smudge with a central condensation/nucleus. Comet 50 degrees altitude in the W. Clear, dark rural sky, LM 6.5]
2015 July 13.95 UT: m1=13.5, Dia.=0.5′, DC=8... 20-cm SCT (222x)... Juan José González (Santiago Millás, alt. 930 m, León, España) [Fuertemente condensado después del reciente outburst. Estrellas de comparación tomadas de la fotometría APASS cercana al cometa]
2015 July 11.92 UT: m1=12.5, Dia.=0.85′, DC=S8... 25-cm L (150x)... Gábor Sánta (Zlatibor, Serbia) [(very dim and diffuse halo were observed, in outburst, nearly starlike, PN-like]
2015 July 10.88 UT: m1=13.5:, Dia.=1′, DC=0... 25-cm L (150x)... Gábor Sánta (Zlatibor, Serbia) [very diffuse, among the northern stars of Scorpius]
2015 July 08.56 UT: m1=15.3: CCD, Dia.=&0.5′... [T17] 0.43-m f/6.8 astrograph + CCD... A. Novichonok & T. Prystavski (iTelescope observatory, Q62 remotely from Siding Spring, Australia)
2015 June 22.71 UT: m1=13.4, Dia.=1.0’, DC=1... 25cm L f:5 (83x)... Chris Wyatt (Walcha, NSW, Australia] [Difficult... Coma very diffuse, crowded star field. No tail, no condensation available for m2 measurement, limiting magnitude= 14.6 (AQ)]
2015 June 19.63 UT: m1=13.0, Dia.=1.1’, DC=2/... 25cm L f:5 (83x)... Chris Wyatt (Walcha, NSW, Australia) [Difficult... coma very diffuse with slightly brighter but weakly condensed centre. No tail]
2015 June 14.22 UT: m1= 17.8 CCD, Dia.=0.5’... Measures taken on CCD images unfiltered... Pierre Laporte (Cd’OA des Monts Notre-Dame, Québec, Canada)
2015 June 12.33 UT: m1=11.3: CCD, Dia.=&4.3′... [T20] 0.1-m f/5.0 astrograph + CCD... A. Novichonok & T. Prystavski (iTelescope observatory, H06 remotely from Mayhill, U.S.A.)
2015 May  31.80 UT: m1=12.5, Dia.=3.0′, DC=1... 40.6-cm L f/4 (165x)... Paul Camilleri (Warners Bay, Australia)
2015 May  25.74 UT: m1=12.0, Dia.=2.0′, DC=0... 40.6-cm L f/4 (76x)... Paul Camilleri (Warners Bay, Australia)
2015 May  23.76 UT: m1=12.0, Dia.=2.0′, DC=1... 40.6-cm L f/4 (165x)... Paul Camilleri (Warners Bay, Australia)
2015 May  16.55 UT: m1=11.8, Dia.=1.4′, DC=1... 40.6-cm L f/4 (76x)... Paul Camilleri (Warners Bay, Australia)
2015 May  16.21 UT: m1=11.3, Dia.=1.5′, DC=4... 22-cm L (120x)... Marco Antonio Coelho Goiato (Araçatuba, Brazil)
2015 May  16.09 UT: m1=11.6, Dia.=1.0′, DC=6... 20cm SCT (100x)... Juan José González (Cueto Rosales, alt. 1420 m, León, España) [En evolución después del reciente outburst]
2015 May  15.76 UT: m1=12.0, Dia.=1.2′, DC=2... 40.6-cm L f/4 (76x)... Paul Camilleri (Warners Bay, Australia)
2015 May  14.71 UT: m1=12.1, Dia.=1’, DC=3/... 25cm L f:5 (83x)... Chris Wyatt (Walcha, NSW, Australia) [Coma does not enhance in Swan Band filter, no tail. Outer coma diffuse, inner coma weakly condensed with a slightly brighter central condensation, pale blue in colour]
2015 May  13.77 UT: m1=11.8, Dia.=1.2′, DC=3... 40.6-cm L f/4 (76x)... Paul Camilleri (Warners Bay, Australia)
2015 May  13.03 UT: m1=11.3, Dia.=58″, DC=6... 70-cm f/4 L + CCD+R Filter... Alexander Baransky (Kyiv comet station MPC 585, Ukraine)
2015 May  12.77 UT: m1=12.0, Dia.=1.4′, DC=2... 40.6-cm L f/4 (165x)... Paul Camilleri (Warners Bay, Australia)
2015 May  12.48 UT: m1=12.0, Dia.=0.8’, DC=3/... 25cm L f:5 (83x)... Chris Wyatt (Walcha, NSW, Australia) [Coma small, surface brightness across the coma is almost even, with a slightly brighter centre and faint outer coma. No tail. Inner coma faintly visible in Swan Band filter but otherwise the coma does not enhance overall]
2015 May  12.14 UT: m1=11.2, Dia.=1.25′, DC=5... 22-cm L (160x)... Marco Antonio Coelho Goiato (Araçatuba, Brazil)
2015 May  11.98 UT: m1=11.8, Dia.=0.8′, DC=6... 50.8 cm L (189x)... Sandor Szabo (Sopron, Hungary)
2015 May  11.75 UT: m1=11.8, Dia.=1.2′, DC=3... 40.6-cm L f/4 (165x)... Paul Camilleri (Warners Bay, Australia)
2015 May  11.47 UT: m1=11.7, Dia.=0.7’, DC=4... 25cm L f:5 (83x)... Chris Wyatt (Walcha, NSW, Australia) [Coma round and diffuse. Inner coma (about 0.5’ dia) even in surface brightness and opaque, outer coma thin and transparent, pale aqua-blue in colour. Does not enhance in Swan Band filter]
2015 May  11.35 UT: m1=11.8, Dia.=1′, DC=6... 18-cm L (57x)... Alexandre Amorim (Florianopolis, Brazil) [moonlight]
2015 May  10.76 UT: m1=11.5, Dia.=1.0′, DC=4... 40.6cm L f/4 (165x)... Paul Camilleri (Warners Bay, NSW, Australia)
2015 May  10.46 UT: m1=11.8, Dia.=0.5’, DC=6... 25cm L f:5 (83x): Chris Wyatt (Walcha, NSW, Australia) [Coma round and diffuse, small faint stellar centre with a broad opaque inner coma and a small transparent fuzzy outer coma edge. Slightly elongated to the NW. At x166 the coma is more evenly diffused like a DC of 2, the surface brightness is quite bright, opaque and even across 4/5ths of the coma diameter. Coma is greyish/pale-blue in colour at centre and fading at the edges where it is more transparent]
2015 May  09.77 UT: m1=11.6, Dia.=0.8′, DC=4... 40.6cm L f/4 (165x)... Paul Camilleri (Warners Bay, NSW, Australia)
2015 May  08.79 UT: m1=11.7, Dia.=0.6’, DC=6... 25cm L f:5 (83x)... Chris Wyatt (Walcha, NSW, Australia) [Moonlight. Stellar central condensation with faint diffuse outer coma, does not enhance in Swan Band filter]
2015 May  08.75 UT: m1=11.9, Dia.=0.5′, DC=5... 40.6cm L f/4 (165x)... Paul Camilleri (Warners Bay, NSW, Australia)
2015 May  08.42 UT: m1=11.8, Dia.=0.5’, DC=6... 25cm L f:5 (83x)... Chris Wyatt (Walcha, NSW, Australia) [Low altitude = 9.1°... Coma does not enhance in Swan Band filter. Coma small and round in appearance, stellar centre* whitish in colour with pale blue-grey fuzzy outer coma. At x166 the central condensation is more smeared like a DC of 3. *The coma centre is near a magnitude 12.9 star 0.2’ away in P.A. 354° according to Guide 9.0, but it was not easily distinguishable from the coma centre visually]
2015 May  07.78 UT: m1=12.0, Dia.=0.3′, DC=5... 40.6cm L f/4 (165x)... Paul Camilleri (Warners Bay, NSW, Australia)
2015 May  07.53 UT: m1=12.1, Dia.=0.3’, DC=5/... 25cm L f:5 (166x)... Chris Wyatt (Walcha, NSW, Australia) [Moonlight... Coma round in appearance, small, pale blue in colour, with disc-like central condensation sometimes appearing stellar in good seeing. Does not enhance in Swan Band filter... Comet in outburst]
2014 Oct. 02.39 UT: m1=13.7:, Dia.=0.4’, DC=2/... 25cm L f:5 (166x)... Chris Wyatt (Walcha, NSW, Australia) [Moonlight... Coma very small and diffuse, very difficult to see due to scintillation and moonlight, magnitude uncertain. Looks like a hazy patch with a small and sometimes stellar central condensation, elongated to the East approximately]
2014 Sep. 14.41 UT: m1=14.2 CCD, Dia.=1.2′... [T12] 0.11m f/5.0 refractor + CCD... A. Novichonok & T. Prystavski (iTelescope observatory, Q62, remotely from Siding Spring, Australia)
2014 July 26.42 UT: m1=14.2 CCD, Dia.=1.28′... 0.11m f/5.0 refractor + CCD... A. Novichonok & T. Prystavski (iTelescope observatory, Q62 remotely from Siding Spring, Australia)
2014 June 30.13 UT: m1=15.0:, DC=2... Visual Aperture 36″ F/3.5... Jean-François Viens (Cd’OA Monts des Notre-Dame, Québec, Canada)
2014 June 25.50 UT: m1=12.0: CCD, Dia.=&2.8′... 0.11m f/5.0 refractor + CCD... A. Novichonok & T. Prystavski (iTelescope observatory, Q62 Remotely from Siding Spring, Australia)
2014 May  29.45 UT: m1=13.6, Dia.=1.0′, DC=2/... 30cm Dobson... Con Stoitsis (Nagambie, Victoria, Australia) [Difficult to see the comet, barely visible with averted vison]
2014 May  27.10 UT: m1=12.4, Dia.=1.5′, DC=2... 22cm L (160x)... Marco Antonio Coelho Goiato (Araçatuba, Brazil)
2014 May  26.38 UT: m1=13.8, Dia.=0.8’, DC=1... 25cm L f:5 (83x)... Chris Wyatt (Walcha, NSW, Australia) [Very difficult to see, close to bright stars, visible in periods of good seeing, slight hazy conditions]
2014 May  22.41 UT: m1=12.8, Dia.=1.4’, DC=2... 25cm L f:5 (83x)... Chris Wyatt (Walcha, NSW, Australia) [Coma diffuse, no tail, diffused central condensation, observed between 2 bright stars but quite noticeable. Hazy conditions]
2014 May  21.55 UT: m1=12.4: CCD, Dia.=&2.5′... 0.32-m f/7.4 Ritchey-Chretien + CCD... A. Novichonok & T. Prystavski (iTelescope observatory, Q62 remotely from Siding Spring, Australia)
2014 May  21.42 UT: m1=12.5, Dia.=1.8’, DC=1/... 25cm L f:5 (83x)... Chris Wyatt (Walcha, NSW, Australia) [Coma appears quite diffuse with a very weakly condensed inner coma]
2014 May  19.92 UT: m1=13.2, Dia.=0.6’, DC=5... 50.8cm L (189x)... Sandor Szabo (Sopron, Hungary) [Very low on the Southern horizon]
2014 May  12.80 UT: m1=12.7, Dia.=1.2′, DC=7/... 30cm Dobson... Con Stoitsis (Nagambie, Victoria, Australia)
2014 May  08.21 UT: m1=14.4 CCD, Dia.=0.7’... CCD images unfiltered... Pierre Laporte (Cd’OA des Monts Notre-Dame, Québec, Canada)
2014 May  06.39 UT: m1=[11.0, Negative... 15cm SCT (75x)... Salvador Aguirre (Hermosillo, Sonora, Mexico)
2014 May  03.70 UT: m1=13.0, Dia.=-, DC=9... 40.0cm L f/4.5 (257x)... Seiichi Yoshida (Gunma, Japan)
2014 May  01.39 UT: m1=[11.0, Negative... 15cm SCT (36x)... Salvador Aguirre (Hermosillo, Sonora, Mexico)
2014 Apr. 28.53 UT: m1=13.1: CCD, Dia.=&2.2′... 0.11m f/5.0 refractor + CCD... A. Novichonok & T. Prystavski (iTelescope observatory, Q62 remotely Siding Spring, Australia))
2014 Apr. 22.52 UT: m1=12.2: CCD, Dia.=&3.3′... 0.11m f/5.0 refractor + CCD... A. Novichonok & T. Prystavski (iTelescope observatory, Q62 remotely Siding Spring, Australia)
2014 Apr. 22.43 UT: m1=[11.1, Negative... 15cm SCT (36x)... Salvador Aguirre (Hermosillo, Sonora, Mexico)
2014 Apr. 03.44 UT: m1=[11.5, Negative... 15cm SCT (36x)... Salvador Aguirre (Hermosillo, Sonora, Mexico)
2014 Mar. 30.66 UT: m1=12.2: CCD, Dia.=2.09′... 0.32-m f/7.4 Ritchey-Chretien + CCD... A. Novichonok & T. Prystavski (iTelescope observatory, Q62. Remotely Siding Spring, Australia)
2014 Mar. 13.76 UT: m1=12.4: CCD, Dia.=1.46′... 0.50-m f/6.8 astrograph + CCD + focal reducer... A. Novichonok & T. Prystavski (iTelescope observatory, Q62. Remotely from Siding Spring, Australia)
2014 Mar. 12.79 UT: m1=12.5 CCD, Dia.=1.4′... 0.50-m f/6.8 astrograph + CCD + focal reducer... A. Novichonok & T. Prystavski (iTelescope observatory, Q62. Remotely from Siding Spring, Australia)
2014 Mar. 11.71 UT: m1=12.3 CCD, Dia.=1.39′... 0.50-m f/6.8 astrograph + CCD + focal reducer... A. Novichonok & T. Prystavski (iTelescope observatory, Q62. Remotely from Siding Spring, Australia)
2014 Mar. 10.68 UT: m1=12.4 CCD, Dia.=1.17′... 0.50-m f/6.8 astrograph + CCD + focal reducer... A. Novichonok & T. Prystavski (iTelescope observatory, Q62. Remotely from Siding Spring, Australia)
2014 Mar. 10.21 UT: m1=12.2, Dia.=1.5′, DC=3... 22cm L (160x)... Marco Goiato (Araçatuba, Brasil)
2014 Mar. 09.64 UT: m1=12.5 CCD, Dia.=1.06′... 0.50-m f/6.8 astrograph + CCD + focal reducer... A. Novichonok & T. Prystavski (iTelescope observatory, Q62. Remotely from Siding Spring, Australia)
2014 Mar. 08.68 UT: m1=12.5 CCD, Dia.=0.93′... 0.50-m f/6.8 astrograph + CCD + focal reducer... A. Novichonok & T. Prystavski (iTelescope observatory, Q62. Remotely from Siding Spring, Australia)
2014 Mar. 07.78 UT: m1=12.5 CCD, Dia.=0.85′... 0.50-m f/6.8 astrograph + CCD + focal reducer... A. Novichonok & T. Prystavski (iTelescope observatory, Q62. Remotely from Siding Spring, Australia)
2014 Mar. 05.72 UT: m1=12.2 CCD, Dia.=0.65′... 0.50-m f/6.8 astrograph + CCD + focal reducer... A. Novichonok & T. Prystavski (iTelescope observatory, Q62. Remotely from Siding Spring, Australia)
2014 Jan. 27.73 UT: m1=14.7: CCD, Dia.=&1′... 0.11m f/5.0 refractor + CCD... A. Novichonok & T. Prystavski (iTelescope observatory, Q62. Remotely Siding Spring, Australia)
2013 Aug. 28.37 UT: m1=13.0: CCD, Dia.=&3.9'... 0.11m f/5.0 refractor + CCD... A. Novichonok & T.Prystavski (iTelescope observatory, Q62 (remotely Siding Spring, Australia)
2013 July 28.33 UT: m1=[15.0, Dia.=–, DC=–... 41-cm f4.5 Reflect (64-170x)... John Drummond (Gisborne, New Zealand) [Comet Schwassmann-Wachmann 1 not visible visually. Can visually see stars to mag 15.9. Comet 50 degrees altitude in the West. Clear, dark rural sky. No Moon]
2013 July 24.37 UT: m1=12.2: CCD, Dia.=&4.9'... 0.11m f/5.0 refractor + CCD... A. Novichonok & T.Prystavski (iTelescope observatory Q62. Remotely Siding Spring, Australia)
2013 July 06.42 UT: m1=12.4, Dia.=1.6’, DC=2... 25-cm L f:5 (83x)... Chris Wyatt (Walcha, NSW, Australia) [Close to mag 13.5 star, difficult observation, averted vision, no tail. Observed from 1240m alt.]
2013 July 03.43 UT: m1=12.5, Dia.=2.4’, DC=1... 25-cm L f:5 (39x)... Chris Wyatt (Walcha, NSW, Australia) [Coma shows a very even brightness across coma and diffused, averted visio]
2013 July 03.40 UT: m1=12.2, Dia.=1.5', DC=2/... 30-cm Dobson... Con Stoitsis (Nagambie, Victoria, Australia) [Coma very diffused. No tail observed]
2013 July 02.43 UT: m1=12.6, Dia.=1.5’, DC=1/2... 25-cm L f:5 (39x)... Chris Wyatt (Walcha, NSW, Australia) [Coma very diffuse with even surface brightness from outer coma toward centre, slightly brightening to centre, no definite central condensation visible. Sky transparency average, limiting magnitude 6.2.]
2013 June 30.94 UT: m1=10.4, Dia.=3.5', DC=2... 20-cm SCT (100x)... Juan José González (Alto del Castro – Aralla, alt. 1720 m, León, España) [En evolución después del reciente outburst. Coma exterior amplia y difusa, remanente de eventos previos. Cielo claro de montaña]
2013 June 18.45 UT: m1=12.5, Dia.=0.7’, DC=2... 25-cm L f:5 (167x)... Chris Wyatt (Walcha, NSW, Australia) [Coma PApears circular and very diffuse, averted vision, moonlight, slight interference by smoke from town fires]
2013 June 15.55 UT: m1=12.2, Dia.=3.5', DC=3/... 30-cm Dobson... Con Stoitsis (Clonbinane, Victoria, Australia) [The coma has a stellar PApearance at the centre. It is was noticeably more diffused towards the edges, and may be considerably larger than I've estimated here]
2013 June 15.08 UT: m1=12.2, Dia.=0.5', DC=7/... 22-cm L (160x)... Marco Goiato (Araçatuba, Brasil)
2013 June 14.99 UT: m1=11.5, Dia.=2.2', DC=s1/... 20-cm SCT (133x)... Juan José González (Alto del Castro – Aralla, alt. 1720 m, León, España) [En outburst. Condensación central casi estelar con m2=12.6 (PAASS). Coma interna más brillante (diámetro: 0.4' ) rodeada de una débil región externa, probablemente más amplia que los 2.2' indicados, pero muy difícil de observar, remanente de eventos previos. Cielo muy claro de montaña]
2013 June 06.15 UT: m1=12.0, Dia.=1', DC=8, Tail: Not visible... 15-cm SCT (187x)... Salvador Aguirre (Hermosillo, Sonora, Mexico)
2013 June 03.95 UT: m1=12.8, Dia.=0.6', DC=6... 20-cm SCT (206x)... Juan José González (Alto del Castro – Aralla, alt. 1720 m, León, España) [En evolución después del reciente outburst menor. Estrellas de campo comprobadas en el DSS. Estrellas de comparación de la fotometría PAASS cercana al cometa]
2013 May  02.15 UT: m1=15.0, DC=2... Visual 36" F/3.5... Jean-François Viens (Cd’OA des Monts Notre-Dame, Québec, Canada)
2013 Apr. 13.95 UT: m1=[15.0, Negative ... Sandor Szabo (Hungary) [must be fainter than 15.0 mag, 50.8 -cm reflector (250x)]
2013 Mar. 23.29 UT: m1=12.5, Dia.=2', DC=2... 22-cm L (160x)... Marco Goiato (Araçatuba, Brasil)
2013 Feb. 19.39 UT: m1=16.5 CCD, Dia.=0.3’... CCD images unfiltered... Clermont Vallière (Cd’OA des Monts Notre-Dame, Québec, Canada)
2013 Feb. 02.43 UT: m1=16.9 CCD, Dia.=0.2’... CCD images unfiltered... Clermont Vallière (Cd’OA des Monts Notre-Dame, Québec, Canada)
2013 Jan. 20.22 UT: m1=10.5, Dia.=7', DC=1/... 20-cm SCT (77x)... Juan José González (Perilla de Castro, alt. 730 m, Zamora, España) [Coma muy difusa. Estrellas de campo comprobadas en el DSS. Varias estrellas en la coma, teniendo la más brillante mag. 12.5 (PAASS)]
2013 Jan. 08.24 UT: m1=11.0, Dia.=7', DC=1/... 20-cm SCT (77x)... (Alto del Castro – Aralla, alt. 1720 m, León, España) [Coma muy difusa con débil región externa, que parece ser el remanente de un outburst previo. Estrellas de campo comprobadas en el DSS. Observación realizada desde una más elevada ubicación de montaña, percibiendo un mayor diámetro de coma y más brillante m1 en comparación con mi observación previa de Dec. 23.26]
2012 Dec. 23.26 UT: m1=12.2, Dia.=1.5', DC=1... 20-cm SCT (133x)... Juan José González (Armada – Sierra del Aramo, alt. 980 m, Asturias, España ) [ Coma muy difusa, sin condensación central, que parece ser el remanente de un outburst previo.  Estrellas de campo comprobadas en el DSS. Cielo muy claro de montaña]
2012 Sep. 02.99 UT: m1=13.2 CCD, Dia.=1.8'... 30.5-cm schmidt-cassegrain... Jakub Cerny [robotic telescope FRAM in Malargue, Argentina]
2012 Aug. 14.98 UT: m1=12.9 CCD, Dia.=2.0'... 30.5-cm schmidt-cassegrain... Jakub Cerny (Czech Republic) [robotic telescope FRAM in Malargue, Argentina]
2012 July 11.00 UT: m1=13.3 CCD, Dia.=1'.2... 30.5-cm schmidt-cassegrain... Jakub Cerny (Senohraby, Czech Republic)
2012 June 16.91 UT: m1=11.7, Dia.=2', DC=3, no cola... 23.5-cm SCT (94x)... Carlos Labordena (Castellón, España)
2012 June 13.97 UT: m1=10.8, Dia.=5', DC=1/... 20-cm SCT (100x)... Juan José González (Alto del Castro, 1720 m alt., León, España) [Amplia coma, débil y difusa, remanente de outbursts previos. Estrellas de campo comprobadas enm el DSS. Cielo muy claro de montaña]
2012 May  19.88 UT: m1=12.1, Dia.=1.3', DC=5... 20.3-cm L f:6 (100x)... Mieczyslaw Leszek Paradowski (Dabrowa, Poland) [Comparison stars taken from APASS V-band photometry (AQ)]
2012 May  17.90 UT: m1=13.5,... 32-cm reflector (120x)... Uwe Pilz (Leipzig, Germany)
2012 May  14.95 UT: m1=11.0, Dia.=3.5', DC=3... 20-cm SCT (100x)... Juan José González (Pandorado, 1190 m alt., León, España) [Coma interna más brillante, procedente de los dos outbursts previos, rodeada de una débil región externa, probablemente más amplia que los 3.5' indicados, pero muy difícil de observar, remanente de eventos previos. Cielo muy claro de montaña]
2012 May  09.93 UT: m1=11.0, Dia.=3', DC=3/... 20-cm SCT (100x)... Juan José González (El Fito – Sierra del Sueve, 570 m alt., Asturias, España) [En evolución después de los dos recientes outbursts. Débil coma externa con más brillante región interior, característica de los estallidos de este cometa]
2012 Abr. 21.91 UT: m1=12.5, Dia.=2', DC=2, no cola... 23.5-cm SCT (138x)... Carlos Labordena (Castellón, España)
2012 Abr. 08.90 UT: m1=12.0, Dia.=2.5', DC=2/... 20-cm SCT (133x)... Juan José González (Pandorado, alt. 1190 m., León, España) [Coma débil y difusa, remanente de un posible outburst menor]
2012 Mar. 15.03 UT: m1=13.8, Dia.=0.8', DC=6... 20-cm SCT (133x)... Juan José González (Alto del Castro – Aralla, alt. 1720 m., León, España) [Estrellas de campo comprobadas en el DSS. Estrellas de comparación de la fotometría Henden, campo 104-335 ].
2012 Feb. 19.44 UT: m1=[12.0, Negative... 25-cm Reflector (48x)... Salvador Aguirre (Hermosillo, Sonora, Mexico)
2012 Jan. 03.24 UT: m1=14.2, Dia.=0.3', DC=7... 20-cm SCT (222x)... Juan José González (Alto del Castro - Aralla, alt. 1720 m., León, España) [En evolución después del reciente outburst menor. Estrellas de campo comprobadas en el DSS. Estrellas de comparación tomadas de la fotometría Henden del sector HS550. Cielo muy claro de montaña]
2011 Dec. 23.22 UT: m1=11.5, Dia.=4', DC=2, no Tail... 23.5-cm SCT(94x)... Carlos Labordena (Castellón, España)
2011 Dec. 07.22 UT: m1=10.3, Dia.=6', DC=2... 20-cm SCT (77x)... Juan José González (Alto del Castro – Aralla, alt. 1720 m., León, España) [Luz zodiacal]
2011 Dec. 06.23 UT: m1= 11.2, Dia.=4', DC=2, no Tail... 20-cm SCT(80x)... Carlos Labordena (Castellón, España)
2011 Nov. 29.47 UT: m1=[12.3, Negative ... 25-cm Reflector (48x)... Salvador Aguirre (Hermosillo, Sonora, Mexico)
2011 Nov. 25.85 UT: m1=13.6, Dia.=0.7', DC=3/... 40.0-cm L f/4.5 (257x)... Seiichi Yoshida (Gunma, Japan)
2011 Nov. 24.22 UT: m1=10.0, Dia.=7', DC=2... 20-cm SCT (77x)... Juan José González (Alto del Castro - Aralla, alt. 1720 m., León, España) [Amplia y difusa coma. Luz zodiacal. Cielo muy claro de montaña ].
2011 Nov. 08.24 UT: m1=10.2, Dia.=8', DC=2/... 20-cm SCT (77x)... Juan José González (El Fito – Sierra del Sueve, alt. 570 m., Asturias, España) [A 133x : m2=13.2 (GSC). Primera estimación personal después de la conjunción. Amplia y difusa coma de 8', que parece ser un remanente de un fuerte outburst previo. Estrellas de campo comprobadas en el DSS. Luz zodiacal. Comienzo del crepúsculo astronómico. Altura sobre el horizonte: 17deg.. Cielo muy claro de montaña]
2011 June 25.88 UT: m1=13.0, Dia.=1.2', DC=3, no Tail... 23.5-cm SCT (94x)... Carlos Labordena (Castellón, España)
2011 June 23.37 UT: m1=12.5, Dia.=3.8’, DC=2... 25-cm L f:5 (39x)... Chris Wyatt (Walcha, NSW, Australia) [No tail, coma appears to have faint outer edges with slightly brighter inner third, broad central condensation with even brightness, averted vision. Comp Star= ASAS-3 105131+0032.2... Method= S... Cat= AU]
2011 June 20.37 UT: m1=12.4, Dia.=3.3´, DC=1... 25-cm L f:5 (83x)... Chris Wyatt (Walcha, NSW, Australia) [Coma appears evenly diffuse, no tail. Comp Star= ASAS-3 104852+0040.4... Method= S... Cat= AU]
2011 June 19.38 UT: m1=12.1, Dia.=3.3’, DC=2/3... 25-cm L f:5 (39x)... Chris Wyatt (Walcha, NSW, Australia) [Coma close to bright star making observation difficult, no tail, coma seems almost evenly diffuse, smallish broad central condensation. Comp Star= ASAS-3 104753+0146.1... Method= S... Cat= AU]
2011 June 06.43 UT: m1=12.2, Dia.=2.5’, DC=3... 25-cm L f:5 (39x)... Chris Wyatt (Walcha, NSW, Australia) [No tail, coma diffuse, almost even brightness with broad central condensation, slight interference by moonlight. Comp Star= ASAS-3 104623+0219.6... Method= S... Cat= AU]
2011 June 06.00 UT: m1=11.0, Dia.=3', DC=2... 22-cm L f:6.5 (160x)... Marco Goiato (Araçatuba, Brasil)
2011 June 04.94 UT: m1=11.7, Dia.=1.5', DC=4... 20.3-cm SCT (50x)... Alexandre Amorim (Florianopolis, Brazil) [ASAS-3]
2011 June 04.89 UT: m1=12.4, Dia.=1.5', DC=3, no Tail... 23.5-cm SCT (94x)... Carlos Labordena (Castellón, España)
2011 June 03.42 UT: m1=11.9, Dia.=2.5’, DC= 3... 25-cm L f:5 (39x)... Chris Wyatt (Walcha, NSW, Australia) [Bright star at edge of coma, no tail, central condensation diffuse, coma elongated to the West, does not enhance with Swan band filter. Comp Star= ASAS-3 194322+0114.2... Method= S... Cat= AU]
2011 June 01.94 UT: m1=10.2, Dia.=3.5', DC=3/... 20-cm SCT (100x)... Juan José González (Alto del Castro – Aralla, alt. 1720 m., León, España ) [ Coma de 3.5', con débil región exterior procedente de outbursts previos, incluyendo región interna de 1.5' más brillante, procedente del reciente outburst. Cielo muy claro de montaña]
2011 May  22.96 UT: m1=11.8, Dia.=1.5', DC=6... 20-cm SCT (100x)... Juan José González (Sierra de Penouta – Boal, alt. 890 m., Asturias, España) [En evolución después del reciente nuevo outburst. Cometa cercano a estrella de mag 13.5 (GSC)]
2011 May  14.97 UT: m1=12.7, Dia.=0.3', DC=8... 20-cm SCT (133x)... Juan José González (Alto del Castro – Aralla, alt. 1720 m., León, España) [Importante interferencia de la luz lunar. El cometa se muestra fuertemente condensado después del más reciente nuevo outburst. Estrellas de comparación de la fotometría TASS. Cielo muy claro de montaña]
2011 May  09.01 UT: m1=13.2, Dia.=1.5', DC=6... 20-cm SCT (100x)... Juan José González (Villafáfila, alt. 710 m., Zamora, España) [m2=14.5 (HN). Coma interna más brillante, después del reciente outburst menor. Estrellas de campo comprobadas en el DSS. Estrellas de comparación de la fotometría Henden - campo G2681005 ].
2011 Apr. 30.94 UT: m1=12.4, Dia.=3', DC=2, no Tail... 23.5-cm SCT (94x)... Carlos Labordena (Castellón, España)
2011 Apr. 27.02 UT: m1=11.3, Dia.=4', DC=2... 20-cm SCT (100x)... Juan José González (Alto del Castro – Aralla, alt. 1720 m., León, España) [Amplia coma difusa, remanente del outburst previo]
2011 Apr. 05.02 UT: m1=11.2, Dia.=4', DC=2/... 20-cm SCT (100x)... Juan José González (Alto del Castro – Aralla, alt. 1720 m., León, España) [Coma de 4', con débil región exterior procedente del outburst previo, incluyendo región interna de 1.5' más brillante, procedente del reciente outburst ].
2011 Apr. 01.88 UT: m1=12.8, Dia.=2', DC=3, no Tail... 23.5-cm SCT (188x)... Carlos Labordena (Castellón, España)
2011 Apr. 01.15 UT: m1=11.2, Dia.=5', DC=2... 20-cm SCT (100x)... Juan José González (Alto del Castro – Aralla, alt. 1720 m., León, España) [Coma de 5', con débil región exterior procedente del outburst previo, incluyendo región interna de 1.5' más brillante, procedente del reciente outburst. Cielo muy claro de montaña]
2011 Mar. 30.90 UT: m1=13.4 CCD, Dia.=1.2', DC=6/... 41-cm L f:3.8 + CCD... Sergey Shurpakov (A98, Baran’, Belarus)
2011 Mar. 28.74 UT: m1=12.2, Dia.=2'.7, DC=5... 21-cm Cassagrain... Man-To Hui (Mt. Guizi, Wuchang, China) [city lights]
2011 Mar. 07.00 UT: m1=12.2, Dia.=3', DC=2... 20-cm SCT (100x)... Juan José González (Aralla, alt. 1430 m., León, España) [Estrellas de comparación para la m1 tomadas de la fotometría TASS ... m2=15.0 (Henden) después de un reciente outburst menor. La débil coma observada de 3' es un remanente del outburst previo. Cielo muy claro de montaña]
2011 Feb. 05.02 UT: m1=13.8, Dia.=0.5', DC=5... 20-cm SCT (206x)... Juan José González (Valle Peral – Lena, alt. 940 m., Asturias, España) [Estrellas de comparación tomadas de la fotometría Henden del sector G2681005. Cielo muy claro de montaña]
2011 Jan. 24.98 UT: m1=13.5, Dia.=0.4', DC=6... 20-cm SCT (133x)... Juan José González (Pandorado, alt. 1190 m., León, España) [En evolución después del reciente menor outburst. Estrellas de comparación tomadas de la fotometría Henden del sector G2681005. Cielo muy claro de montaña]
2010 Dec. 04.82 UT: m1=14.3, Dia.=0.5', DC=4... 40-cm L f:4 (144x)... Seiichi Yoshida (Kita-karuizawa, Gunma, Japan)
2010 June 11.89 UT: m1=11.9, Dia.=1.5', DC=3, no Tail... 23.5-cm SCT (94x)... Carlos Labordena (Castellón, España)
2010 June 03.93 UT: m1=11.8, Dia.=1.8', DC=2/... 20-cm SCT (133x)... Juan José González (Alto del Trichero – Soto y Amío, alt. 1190 m., León, España)
2010 May  16.98 UT: m1=11.2, Dia.=2.5', DC=2/... 20-cm SCT (100x)... Juan José González (Cueto Rosales – Riello, alt. 1420 m., León, España)
2010 May  15.88 UT: m1=11.7, Dia.=2', DC=3, no Tail... 23.5-cm SCT (94x)... Carlos Labordena (Castellón, España)
2010 May  11.42 UT: m1=12.4, Dia.=1.2’, DC=3... 25-cm L f:5 (83x)... Chris Wyatt (Walcha, NSW, Australia) [No tail, small central condensation, not stellar. Comp Star= GSC-0825-0587... Method= S... Cat= HS]
2010 May  10.40 UT: m1=12.4, Dia.=2.4’, DC=3... 25-cm L f:5 (83x)... Chris Wyatt (Walcha, NSW, Australia) [No tail. Comp Star= GSC-0825-0908... Method= S... Cat= HS]
2010 May  09.78 UT: m1=12.2 CCD, Dia.=1.1'... 25-cm L +CCD +R_c filter... Toni Scarmato (Calabria, Italia)
2010 May  09.47 UT: m1=12.3, Dia.=1.5’, DC=1... 25-cm L f:5 (83x)... Chris Wyatt (Walcha, NSW, Australia) [No tail. Comp Star= GSC-0825-0751... Method= S... Cat= HS]
2010 May  07.49 UT: m1=12.4, Dia.=1.5’, DC=1... 25-cm L f:5 (83x)... Chris Wyatt (Walcha, NSW, Australia) [No tail, close to bright stars. Comp Star= GSC-0825-0908... Method= S... Cat= HS]
2010 May  06.41 UT: m1=11.3, Dia.=1.5’, DC=1/2... 25-cm L f:5 (83x)... Chris Wyatt (Walcha, NSW, Australia) [No tail. Comp Star= TYC 825-880-1... Method= S... Cat= TJ]
2010 May  05.93 UT: m1=11.2, Dia.=2.5', DC=2/... 20-cm SCT (100x)... Juan Jose Gonzalez (Pandorado, alt. 1190 m, Leon, España) [Varias estrellas en la coma, la más brillante de mag. 13.5 (GSC)]
2010 May  05.40 UT: m1=11.3, Dia.=2.2’, DC=2... 25-cm L f:5 (83x)... Chris Wyatt (Walcha, NSW, Australia) [No tail. Comp Star= GSC-0825-0677... Method= S... Cat= HS]
2010 May  04.22 UT: m1=13.0 CCD, Dia.=1.4'... 35.5-cm L +CCD... Artyom Novichonok & Dimitry Chestnov (remotely Mayhill, USA)
2010 May  03.46 UT: m1=11.3, Dia.=2.3', DC=3... 40.0-cm L f/4.5 (75x)... Seiichi Yoshida (Gunma, Japan)
2010 May  03.39 UT: m1=11.8, Dia.=1.2’, DC=2... 25-cm L f:5 (83x)... Chris Wyatt (Walcha, NSW, Australia) [No tail, evenly diffuse. Comp Star= GSC-0825-1181... Method= S... Cat= HS]
2010 May  02.48 UT: m1=11.5, Dia.=2.2', DC=3... 40.0-cm L f/4.5 (75x)... Seiichi Yoshida (Gunma, Japan)
2010 May  01.937 UT: m1=12.0, Dia.=2', DC=2... 22-cm L f:6.5 (160x)... Marco Goiato (Araçatuba, Brasil)
2010 May  01.47 UT: m1=11.4, Dia.=2.2', DC=3... 40.0-cm L f/4.5 (75x)... Seiichi Yoshida (Gunma, Japan)
2010 Apr. 20.40 UT: m1=11.9, Dia.=1’, DC=4/5... 25-cm L, f:5 (83x)... Chris Wyatt (Walcha, NSW, Australia) [Moonlight, coma small, diffuse edges with bright central condensation although not quite stellar, no tail. Comp Star= GSC-0825-0543... Method= S... Cat= HS]
2010 Apr. 18.979 UT: m1=12.3, Dia.=0.7', DC=6/... 22-cm L f:6.5 (160x)... Marco Goiato (Araçatuba, Brasil)
2010 Apr. 17.00 UT: m1=11.7, Dia.=2.0', DC=2... 20-cm SCT (100x)... Juan José González (La Cruz – Lieres, alt. 520 m, Asturias, España) [Nuevo outburst. Condensación central estelar con m2=12.8 (estrellas de comparación del campo Henden HS618 ). La coma de 2' observada es un remanente del outburst previo]
2010 Apr. 16.958 UT: m1=12.5, Dia.=0.5', DC=7/... 22-cm L f:6.5 (160x)... Marco Goiato (Araçatuba, Brasil) [novo outburst]
2010 Apr. 10.88 UT: m1=12.5, Dia.=1', DC=2, no Tail... 23.5-cm SCT(138x)... Carlos Labordena (Castellón, España)
2010 Apr. 10.00 UT: m1=12.4, Dia.=1.5', DC=2... 22-cm L f:6.5 (160x)... Marco Goiato (Araçatuba, Brasil)
2010 Apr. 08.021 UT: m1=12.4, Dia.=1.5', DC=2/... 22-cm L f:6.5 (160x)... Marco Goiato (Araçatuba, Brasil)
2010 Apr. 04.89 UT: m1=11.8, Dia.=2.5', DC=1... 20-cm SCT (100x)... Juan José González (Alto del Trichero – Soto y Amío, alt. 1190 m., León, España)
2010 Mar. 19.86 UT: m1=11.8 CCD, Dia.=1.7'... 25-cm L +CCD +Rc filter... Toni Scarmato (Calabria, Italia)
2010 Mar. 19.50 UT: m1=11.9, Dia.=5.4’, DC=1... 20-cm T f:6 (39x)... Chris Wyatt (Walcha, NSW, Australia) [No tail. Comp Star= GSC-0825-0404... Method= S... Cat= HS]
2010 Mar. 18.44 UT: m1=11.1, Dia.=6.4’, DC=1/2... 25-cm L f:5 (39x)... Chris Wyatt (Walcha, NSW, Australia) [No tail, coma appears circular, faint diffuse edge that gradually brightens toward the centre. Comp Star= TYC 825-736-1... Method= S... Cat= TJ]
2010 Mar. 17.79 UT: m1=13.1 CCD, Dia.=0.7', DC=5... 25-cm L +CCD +Rc filter... Toni Scarmato (Calabria, Italia)
2010 Mar. 17.41 UT: m1=11.4, Dia.=5.1’, DC=2... 25-cm L f:5 (39x)... Chris Wyatt (Walcha, NSW, Australia) [No tail, coma diffuse, close to bright star. Comp Star= TYC 826-901-1... Method= S... Cat= TJ]
2010 Mar. 15.45 UT: m1=11.8, Dia.=4’, DC=1... 25-cm L f:5 (39x)... Chris Wyatt (Walcha, NSW, Australia) [No tail, close to bright star, coma evenly diffuse. Comp Star= TYC 825-736-1... Method= S... Cat= TJ]
2010 Mar. 15.12 UT: m1=11.7, Dia.=1.5', DC=2... 20-cm SCT (133x)... Juan José González (Aralla, alt. 1440 m., León, España)
2010 Mar. 13.979 UT: m1=11.5, Dia.=2', DC=4... 22-cm L f:6.5 (160x)... Marco Goiato (Araçatuba, Brasil)
2010 Mar. 13.95 UT: m1=11.2, Dia.=2.5', DC=3, no Tail... 23.5-cm SCT (94x)... Carlos Labordena (Castellón, España)
2010 Mar. 11.125 UT: m1=11.2, Dia.=2', DC=4... 22-cm L f:6.5 (160x)... Marco Goiato (Araçatuba, Brasil)
2010 Mar. 09.50 UT: m1=11.4, Dia.=5.5’, DC=1... 25-cm L f:5 (39x)... Chris Wyatt, Walcha (NSW, Australia) [No tail, coma diffuse. Comp Star= TYC 826-901-1... Method= S... Cat= TJ]
2010 Mar. 08.89 UT: m1=11.2, Dia.=2.5', DC=2/... 20-cm SCT (100x)... Juan José González (Castañedo del Monte, Santo Adriano, alt. 640 m, Asturias, España)
2010 Mar. 08.47 UT: m1=11.4, Dia.=6.4’, DC=1... 25-cm L f:5 (39x)... Chris Wyatt Walcha, (NSW, Australia) [Coma very diffuse and circular, no tail. Comp Star= TYC 826-901-1... Method= S... Cat= TJ]
2010 Mar. 08.125 UT: m1=11.0, Dia.=2.5', DC=4... 22-cm L f:6.5 (160x)... Marco Goiato (Araçatuba, Brasil)
2010 Mar. 07.000 UT: m1=11.0, Dia.=2.5', DC=4... 22-cm L f:6.5 (160x)... Marco Goiato (Araçatuba, Brasil)
2010 Mar. 01.81 UT: m1=10.8, Dia.=1.5', DC=5... 20-cm SCT (77x)... Juan José González (Sierra de Fario, Sariego, alt. 660 m, Asturias, España) [Crepúsculo astronómico]
2010 Feb. 24.45 UT: m1=12.9 CCD, Dia.=2', DC=6/... 0.41-m f/9 Ritchey-Chretien telescope + CCD... Sergey Shurpakov (Baran’, Belarus)
2010 Feb. 21.167 UT: m1=10.7, Dia.=2.5', DC=4/... 22-cm L f:6.5 (160x)... Marco Goiato (Araçatuba, Brasil)
2010 Feb. 20.34 UT: m1=12.2 CCD, Dia.=2.2', DC=6/... 0.36-m L f/3.8 + CCD... Sergey Shurpakov (Baran’, Belarus)
2010 Feb. 20.322 UT: m1=11.0 CCD, Dia.=2.3'... 35.5-cm L +CCD... Artyom Novichonok & Dimitry Chestnov (remotely Mayhill, USA)
2010 Feb. 19.93 UT: m1=[11.6, Negative... 13-cm reflector... Artyom Novichonok (Konchezero, Russia)
2010 Feb. 19.61 UT: m1=10.6, Dia.=1.5', DC=5... 20-cm L 57x)... Michael Mattiazzo (Castlemaine, Victoria) [coma appears as a bright circular haze of high surface brightness]
2010 Feb. 17.80 UT: m1=11.0, Dia.=1.8', DC=5... 13-cm reflector... Artyom Novichonok (Konchezero, Russia)
2010 Feb. 17.15 UT: m1=12.0, Dia.=1´, DC=5, Tail: no... 15-cm SCT (37x)... Salvador Aguirre (Hermosillo, Sonora, Mexico)
2010 Feb. 16.85 UT: m1=10.7, Dia.=2.1', DC=6... 13-cm reflector... Artyom Novichonok (Konchezero, Russia)
2010 Feb. 15.083 UT: m1=10.8, Dia.=2', DC=6... 22-cm L f:6.5 (60x)... Marco Goiato (Araçatuba, Brasil)
2010 Feb. 14.18 UT: m1=10.9 CCD, Dia.=1.6'... 18-cm L +CCD... Artyom Novichonok & Dimitry Chestnov (remotely Mayhill, USA)
2010 Feb. 12.68 UT: m1=11.0, Dia.=1.1’, DC=4... 25-cm L f:5 (39x)... Chris Wyatt (Walcha, NSW, Australia) [Coma small, no tail, central condensation not sharply defined]
2010 Feb. 11.69 UT: m1=11.1, Dia.=0.8’, DC=6... 25-cm L f:5 (39x)... Chris Wyatt (Walcha, NSW, Australia) [Coma small, more diffuse, small central condensation, no tail]
2010 Feb. 10.50 UT: m1=10.7, Dia.=0.7’, DC=7... 25-cm L f:5 (39x)... Chris Wyatt (Walcha, NSW, Australia) [Coma very small, bright central condensation, very thin diffuse coma edge, no tail]
2010 Feb. 10.16 UT: m1=10.8, Dia.=90?, DC=6, no Tail... 23.5-cm SCT (67x)... Carlos Labordena (Castellón, España)
2010 Feb. 10.04 UT: m1=11.1, Dia.=1.2', DC=7... 20-cm SCT (133x)... Juan José González (Caldas de Luna, alt. 1120 m, León, España) [Se percibe una evolución más simétrica de la coma visible que en previos estallidos típicos del 29P]
2010 Feb. 07.250 UT: m1=11.0, Dia.=1', DC=7... 22-cm L f:6.5 (160x)... Marco Goiato (Araçatuba, Brasil) [Luar]
2010 Feb. 06.54 UT: m1=10.8, Dia.=0.5', DC=8... 20-cm L (57x)... Michael Mattiazzo (Castlemaine, Victoria)
2010 Feb. 06.54 UT: m1=11.0 CCD, Dia.=0.7'... 18-cm L + CCD... Artyom Novichonok & D. Chestnov (remotely Moorook, Australia)
2010 Feb. 06.35 UT: m1=11.5 CCD, Dia.=1.14', DC=8... 0.36-m f/3.8 reflector + CCD... Sergey Shurpakov (Baran’, Belarus)
2010 Feb. 06.16 UT: m1:11.5, Dia.=1´, DC=8, Tail: No visible ... 15-cm SCT (37x)... Salvador Aguirre (Hermosillo, Sonora, Mexico)
2010 Feb. 06.125 UT: m1=11.3, Dia.=1', DC=8... 22-cm L f:6.5 (160x)... Marco Goiato (Araçatuba, Brasil) [expansão da coma e discreta redução do grau de condensação]
2010 Feb. 04.062 UT: m1=11.5, Dia.=0.4', DC=8/... 22-cm L f:6.5 (160x)... Marco Goiato (Araçatuba, Brasil) [aparência estelar com aumento de 60x]
2010 Jan. 25.76 UT: m1=13.2 CCD, Dia.=1.0'... 18-cm reflector + CCD... Artyom Novichonok (remotely Moorook, Australia)
2010 Jan. 24.58 UT: m1=13.5 CCD, Dia.=0.8'... 18-cm reflector + CCD... Artyom Novichonok (remotely Moorook, Australia)
2009 Dec. 12.15 UT: m1=12.0, Dia.=2′, DC=1/... 20-cm SCT (77x)... Juan José González (Alto del Castro, alt. 1720 m, León, España)
2009 Nov. 24.14 UT: m1=11.9, Dia.=1.5′, DC=5... 20-cm SCT (100x)... Juan José González (Alto del Castro, alt. 1720 m, León, España)
2009 Nov. 18.11 UT: m1=11.8, Dia.=0.6′, DC=6... 20-cm SCT (133x)... Juan José González (Alto del Castro, alt. 1720 m, León, España) [En evolución después del reciente outburst]
2009 Nov. 14.281 UT: m1=11.9, Dia.=1.5′, DC=4/... 22-cm L f:6.5 (160x)... Marco Goiato (Araçatuba, Brasil)
2009 Oct. 26.21 UT: m1=11.3, Dia.=3′, DC=2... 20-cm SCT (77x)... Juan José González (Alto del Castro, alt. 1720 m, León, España) [La coma de 3′ observada es un remanente del outburst previo. Luz zodiacal]
2009 Oct. 17.12 UT: m1=12.2, Dia.=1′, DC=3, no tail... 23.5-cm SCT (94x)... Carlos Labordena (Castellón, España)
2009 Sep. 29.20 UT: m1=11.5, Dia.=1.5′, DC=5... 20-cm SCT (100x)... Juan José González (Alto del Castro, alt. 1720 m, León, España)
2009 Sep. 25.17 UT: m1=12.1, Dia.=50″, DC=4, no tail... 23.5-cm SCTm(138x)... Carlos Labordena (Castellón, España)
2009 Sep. 23.19 UT: m1=11.7, Dia.=0.7′, DC=5... 20-cm SCT (206x)... Juan José González (Alto del Castro, alt. 1720 m, León, España) [En evolución después del reciente outburst. Luz zodiacal. Altura: 20º]
2009 Apr. 22.86 UT: m1=12.1, Dia.=1.5', DC=2... 23.5-cm SCT (94x)... Carlos Labordena (Castellón, España)
2009 Apr. 20.96 UT: m1=11.8, Dia.=2', DC=1... 20-cm SCT (100x)... Juan José González (Alto del Castro – Aralla, alt. 1720 m, León, España) [La difusa coma de 2' observada es un remanente del anterior outburst]
2009 Apr. 05.83 UT: m1=15.3 CCD, Dia.=0.45', DC=1/... 190mm reflector f/5.2... Sergey E. Shurpakov (Observatory Taurus-1, Baran’, Belarus)
2009 Mar. 26.95 UT: m1=11.5, Dia.=2', DC=1... 20-cm SC (100x)... Juan José González (Alto del Castro – Aralla, alt. 1720 m, León, España)
2009 Mar. 26.85 UT: m1=13.0 CCD, Dia.=3', DC=2/... 80mm R f/6.8... Sergey E. Shurpakov (Observatory Taurus-1, Baran’, Belarus)
2009 Mar. 25.87 UT: m1=12.5 CCD, Dia.=3', DC=5/... 80mm R f/6.8... Sergey E. Shurpakov (Observatory Taurus-1, Baran’, Belarus)
2009 Mar. 21.81 UT: m1=11.6, Dia.=2', DC=3... 42-cm L f:5 (81x)... Martin Lehky (Hradec Kralove, Czech Republic)
2009 Mar. 20.85 UT: m1=14.6 CCD, Dia.=2', DC=2... 80mm R f/6.8... Sergey E. Shurpakov (Observatory Taurus-1, Baran’, Belarus)
2009 Mar. 19.84 UT: m1=11.8, Dia.=2', DC=2, no Tail... 23.5-cm SC (94x)... Carlos Labordena (Castellón, España)
2009 Mar. 16.87 UT: m1=12.3 CCD, Dia.=2.24', DC=6/, 80mm R f/6.8... Sergey E. Shurpakov (Observatory Taurus-1, Baran’, Belarus)
2009 Mar. 15.91 UT: m1=11.3, Dia.=2.5', DC=2... 20-cm SC (77x)... Juan José González (Aralla, alt. 1380 m, León, España)
2009 Mar. 13.85 UT: m1=11.2, Dia.=2.5', DC=2... 20-cm SC (100x)... Juan José González (Pandorado, alt. 1190 m, León, España)
2009 Mar. 04.96 UT: m1=12.1 CCD, Dia.=1.6', DC=2/... 80mm refractor f/6.8... Sergey E. Shurpakov (Observatory Taurus-1, Baran’, Belarus)
2009 Mar. 01.00 UT: m1=11.2, Dia.=2', DC=2/... 22-cm L f:6.5 (160x)... Marco Goiato (Araçatuba, Brasil)
2009 Feb. 28.74 UT: m1=12.1 CCD, Dia.=1.3', DC=5... 25-cm L + CCD unfilter... Toni Scarmato (Calabria, Italia)
2009 Feb. 25.91 UT: m1=11.0, Dia.=3.0', DC=3/... 20-cm SC (100x)... Juan José González (Pandorado, alt. 1190 m, León, España) [Varias estrellas en la coma, siendo la más brillante de mag 11.0 (TK)]
2009 Feb. 22.94 UT: m1=10.8, Dia.=3.0', DC=3/... 20-cm SC (100x)... Juan José González (Pandorado, alt. 1190 m, León, España)
2009 Feb. 21.96 UT: m1=10.6, Dia.=3', DC=1/... 51-cm L f:5 (82x)... José Carvajal (Avila, España)
2009 Feb. 21.88 UT: m1=11.5, Dia.=1.5', DC=3, no Tail... 23.5-cm SC (67x)... Carlos Labordena (Castellón, España)
2009 Feb. 21.76 UT: m1=12.7 CCD, Dia.=0.87', DC=6... 25-cm L unfilter... Toni Scarmato (Calabria, Italia)
2009 Feb. 21.00 UT: m1=11.0, Dia.=2.5', DC=3/... 20-cm SC (100x)... Juan José González (Golpejar de la Tercia, alt. 1150 m, León, España)
2009 Feb. 18.96 UT: m1=11.8 CCD, Dia.=2.89', DC=6/... 80mm refractor f/6.8... Sergey E. Shurpakov (Observatory Taurus-1, Baran’, Belarus)
2009 Feb. 18.062 UT: m1=11.3, Dia.=3', DC=2/... 22-cm L f:6.5 (160x)... Marco Goiato (Araçatuba, Brasil)
2009 Feb. 14.92 UT: m1=11.6, Dia.=1', DC=4... 20-cm R F9... Alfons Diepvens (Balen, Belgium)
2009 Feb. 14.810 UT: m1=11.4, Dia.=1.5', DC=3, no Tail... 23.5-cm SC (67x)... Carlos Labordena (Castellón, España)
2009 Feb. 13.85 UT: m1=10.8, Dia.=2.5', DC=4... 20-cm SC (100x)... Juan José González (Pandorado, alt. 1190 m, León, España) [En evolución después del reciente nuevo outburst. Condensación central estelar con m2=13.5 (GSC)].
2009 Feb. 01.125 UT: m1=12.0:, Dia.=2', DC=2... 22-cm L f:6.5 (160x)... Marco Goiato (Araçatuba, Brasil)
2009 Jan. 30.83 UT: m1=10.0, Dia.=3.8', DC=3... 13-cm L (65x)... Artyom Novichonok (Konchezero, Russia)
2009 Jan. 25.02 UT: m1=10.2, Dia.=3', DC=4... 20-cm R F9... Alfons Diepvens (Balen, Belgium)
2009 Jan. 18.81 UT: m1=11.6, Dia.=2', DC=5, no Tail... 23.5-cm SC (94x)... Carlos Labordena (Castellón, España)
2009 Jan. 16.88 UT: m1=11.2, Dia.=2.0', DC=5... 20-cm SC (133x)... Juan José González (Alto de la Colladiella, Mieres, alt. 860 m, Asturias, España)
2009 Jan. 07.083 UT: m1=10.8, Dia.=1.5', DC=5... 22-cm L f:6.5 (160x)... Marco Goiato (Araçatuba, Brasil)
2009 Jan. 06.146 UT: m1=10.7, Dia.=3', DC=6/... 22-cm L f:6.5 (160x)... Marco Goiato (Araçatuba, Brasil)
2009 Jan. 04.24 UT: m1=11.1, Dia.=1.5', DC=6... 20-cm SC (100x)... Juan José González (Pandorado, alt. 1190 m, León, España)
2008 Dec. 30.125 UT: m1=11.0, Dia.=1.5', DC=8... 22-cm L f:6.5 (160x)... Marco Goiato (Araçatuba, Brasil) [novo estalido... imagem semelhante a um cometa difuso "sobre" uma estrela levemente desfocada]
2008 Dec. 29.83 UT: m1=11.2, Dia.=1', DC=7... 20-cm R f:9... Alfons Diepvens (Balen, Belgium)
2008 Dec. 28.208 UT: m1=11.6, Dia.=1.2', DC=5... 22-cm L f:6.5 (160x)... Marco Goiato (Araçatuba, Brasil)
2008 Dec. 26.97 UT: m1=11.3, Dia.=1', DC=5... 20-cm R f:9... Alfons Diepvens (Balen, Belgium)
2008 Dec. 26.083 UT: m1=11.8, Dia.=1', DC=6... 22-cm L f:6.5 (160x)... Marco Goiato (Araçatuba, Brasil)
2008 Dec. 25.84 UT: m1=12.5, Dia.=50", DC=5, no Tail... 23.5-cm SC (94x)... Carlos Labordena (Castellón, España)
2008 Dec. 24.23 UT: m1=12.1, Dia.=0.7', DC=6... 20-cm SC (133x)... Juan José González (Sierra del Aramo – Armada – Lena, alt. 1010 m, Asturias, España) [En evolución después del reciente outburst]
2008 Dec. 23.104 UT: m1=12.0, Dia.=0.5', DC=7/... 22-cm L f:6.5 (160x)... Marco Goiato (Araçatuba, Brasil)
2008 Dec. 21.23 UT: m1=12.9, Dia.=–, DC=8... 20-cm SC (133x)... Juan José González (Santibáñez – Cuadros, alt. 1010 m, León, España) [Nuevo outburst. Fuertemente condensado. Alguna interferencia lunar. Estrellas de comparación de la secuencia Henden de CD Gem]
2008 Nov. 29.96 UT: m1=11.8, Dia.=3', DC=1, no Tail... 23.5-cm SCT (94x)... Carlos Labordena (Castellón, España)
2008 Nov. 23.83 UT: m1=11.0, Dia.=4.0', DC=1... 40.0-cm L f/4.5 (75x)... Seiichi Yoshida (Gunma, Japan) [It looks more clearly and widely than the previous night, probably due to the clear sky.]
2008 Nov. 22.80 UT: m1=11.5, Dia.=3.4', DC=0... 40.0-cm L f/4.5 (75x)... Seiichi Yoshida (Gunma, Japan) [Surprisingly, the remnant of the major outburst in September is still visible. Extremely diffuse with no condensation. The diffuse coma was visible more clearly and widely after the moon rise, because the comet became high and the sky became more clear. It seems severely influenced by the sky condition. With higher magnification, the central part becomes visible clearly but the outer coma becomes hard to see. So estimation of the total magnitude can be fainter, around 12.5 mag or so. No another new outburst was found with higher magnification.]
2008 Nov. 19.98 UT: m1=11.5:, Dia.=3', DC=1... 20-cm SC (77x)... Juan José González (Alto del Trichero – Soto y Amío, alt. 1190 m, León, España)
2008 Nov. 08.270 UT: m1=10.6, Dia.=3', DC=2... 22-cm L f:6.5 (160x)... Marco Goiato (Araçatuba, Brasil) [nuvens]
2008 Nov. 07.98 UT: m1=13.6 CCD, Dia.=3.9', DC=6... 190-mm Newton f/5.2... Sergey E. Shurpakov (Observatory Taurus-1, Baran’, Belarus)
2008 Nov. 06.03 UT: m1=10.3, Dia.=4', DC=1/... 20-cm SC (77x)... Juan José González (Aralla, alt. 1440 m, León, España)
2008 Nov. 03.93 UT: m1=13.0 CCD, Dia.=4', DC=6... 190mm Newton f/5.2... Sergey E. Shurpakov (Observatory Taurus-1, Baran’, Belarus)
2008 Nov. 01.77 UT: m1=10.7, Dia.=4.2', DC=1/... 40.0-cm L f/4.5 (75x)... Seiichi Yoshida (Gunma, Japan) [Very very large! Round ghost like a planetary nebula, similar to the view of 17P/Holmes last year. The central condensation is weak, but very bright and clearly visible. The size exceeds 4 ar-cmin now. It is largest 29P in my life.]
2008 Oct. 26.11 UT: m1=10.4, Dia.=4', DC=2... 20-cm SC (100x)... Juan José González (Alto del Castro – Aralla, alt. 1720 m, León, España) [Varias estrellas dentro de la coma, la más brillante de mag. 11.8 (Tycho-2)]
2008 Oct. 26.05 UT: m1=12.5, Dia.=90", DC=3, no Tail... 23.5-cm SC (188x)... Carlos Labordena (Castellón, España)
2008 Oct. 22.07 UT: m1=11.7 CCD, Dia.=2.5', DC=6... 80-mm R... Sergey E. Shurpakov (Observatory Taurus-1, Baran’, Belarus)
2008 Oct. 10.323 UT: m1=10.7, Dia.=3', DC=3/... 22-cm L f:6.5 (160x)... Marco Goiato (Araçatuba, Brasil)
2008 Oct. 09.343 UT: m1=10.7:, Dia.=3', DC=3/... 22-cm L f:6.5 (160x)... Marco Goiato (Araçatuba, Brasil) [início da alvorada]
2008 Oct. 09.16 UT: m1=10.6, Dia.=2', DC=6... Alfons Diepvens (Balen, Belgium)
2008 Oct. 09.10 UT: m1=10.5, Dia.=2.5', DC=4/... 20-cm SC (77x)... Juan José González (Alto del Trichero – Soto y Amio, alt. 1190 m, León, España)
2008 Oct. 08.13 UT: m1:10.5, Dia.=2’, DC=7... 15.8-cm L(48x)... Giuseppe Pappa (Mascalucia, Sicilia, Italia)
2008 Oct. 08.03 UT: m1=12.0 CCD, Dia.=1.6', DC=6/... 190-mm Newton f/5.2... Sergey E. Shurpakov (Observatory Taurus-1, Baran’, Belarus)
2008 Oct. 04.76 UT: m1=10.4, Dia.=2.2', DC=2... 40.0-cm L f/4.5 (75x)... Seiichi Yoshida (Gunma, Japan) [First observation since the major outburst on Sept. 21. I was surprised how bright it is! It is the first time to see such a bright and huge 29P in my history. Looks round, like a planetary nebula.]
2008 Sep. 29.14 UT: m1=10.7, Dia.=1.1', DC=5... 20-cm SC (100x)... Juan José González (Alto del Castro – Aralla, alt. 1720 m, León, España)
2008 Sep. 28.06 UT: m1=11.1 CCD, Dia.=0.9', DC=6... 190-mm Newton f/5.2... Sergey E. Shurpakov (Observatory Taurus-1, Baran’, Belarus)
2008 Sep. 25.10 UT: m1=10.9, Dia.=0.8', DC=6... 20-cm SC (133x)... Juan José González (Pandorado, alt. 1190 m., León, España) [En evolución después del reciente outburst. Alguna interferencia de la luz lunar]
2008 Sep. 25.02 UT: m1=11.1 CCD, Dia.=0.9', DC=8/... 190-mm Newton f/5.2... Sergey E. Shurpakov (Observatory Taurus-1, Baran’, Belarus)
2008 Sep. 23.09 UT: m1=10.9 CCD, Dia.=0.9', DC=9... 190-mm Newton f/5.2... Sergey E. Shurpakov (Observatory Taurus-1, Baran’, Belarus)
2008 Sep. 09.77 UT: m1=[12.8... 40.0-cm L f/4.5 (144x)... Seiichi Yoshida (Gunma, Japan) [Not visible. Not in outburst]
2008 Apr. 14.84 UT: m1=13.0 CCD, Dia.=2.2', DC=6/... 8-cm apochromat... Sergey E. Shurpakov (Observatory Taurus-1, Baran’, Belarus)
2008 Apr. 04.89 UT: m1=13.7, Dia.=1', DC=2, no Tail... 23.5-cm SC (188x)... Carlos Labordena (Castellón, España)
2008 Mar. 27.76 UT: m1=14.1 CCD, Dia.=0.90', DC=3... 8-cm apochromat... Sergey E. Shurpakov (Obs.Taurus-1, Baran’, Belarus)
2008 Mar. 26.75 UT: m1=13.9 CCD, Dia.=1', DC=5/... 8-cm apochromat... Sergey E. Shurpakov (Obs.Taurus-1, Baran’, Belarus)
2008 Mar. 20.84 UT: m1=15.3 CCD, Dia.=0.26', DC=8... 8-cm apochromat... Sergey E. Shurpakov (Obs.Taurus-1, Baran’, Belarus)
2008 Mar. 08.91 UT: m1=14.6, Dia.=0.5', DC=1... 44.5-cm L f:5 (167x)... José Carvajal (Avila, España)
2008 Mar. 07.90 UT: m1=13.8 CCD, Dia.=0.82', DC=3, Tail:1.4' in PA:95 deg. ... 8-cm apochromat... Sergey E. Shurpakov (Obs.Taurus-1, Baran’, Belarus)
2008 Mar. 07.87 UT: m1=12.8, Dia.=90", DC=2, no Tail... 23.5-cm SC (94x)... Carlos Labordena (Castellón, España)
2008 Mar. 05.91 UT: m1=12.7, Dia.=1.5', DC=1... 20-cm SC (133x)... Juan José González (Alto del Trichero – Soto y Amio, alt. 1190 m., León, España)
2008 Mar. 05.89 UT: m1=13.4 CCD, Dia.=1.6', DC=-... 8-cm apochromat... Sergey E. Shurpakov (Obs.Taurus-1, Baran’, Belarus)
2008 Mar. 05.51 UT: m1=13.3, Dia.=1.3', DC=1/... 40-cm L f/4.5 (144x)... Seiichi Yoshida (Ibaraki, Japan) [Two months after the outburst in January. But unexpectedly, the diffuse nebulous comet with no condensation is still bright and visible visually]
2008 Mar. 04.82 UT: m1=13.0: CCD, Dia.=1.3', DC=-... 8-cm apochromat... Sergey E. Shurpakov (Obs.Taurus-1, Baran’, Belarus)
2008 Mar. 01.92 UT: m1=12.5, Dia.=2.0', DC=2... 20-cm SC (133x)... Juan José González (Alto del Castro – Aralla, alt. 1720 m, León, España)
2008 Feb. 19.88 UT: m1=13.0 CCD, Dia.=1', DC=2... 8-cm apochromat... Sergey E. Shurpakov (Obs.Taurus-1, Baran’, Belarus)
2008 Feb. 12.81 UT: m1=12.9, Dia.=1.8', DC=3... 42-cm L f:5 (81x)... Martin Lehky (Hradec Kralove, Czech Republic)
2008 Feb. 07.08 UT: m1=11.5:, Dia.=2.0', DC=3... 20-cm SC (133x)... Juan José González (Aralla, alt. 1360 m., León, España)
2008 Feb. 06.99 UT: m1=12.5:... 18-cm L (360x)... Alexandre Amorim (Florianopolis, Brasil) [gsc]
2008 Feb. 05.98 UT: m1=12.5:... 18-cm L (360x)... Alexandre Amorim (Florianopolis, Brasil) [gsc]
2008 Feb. 04.93 UT: m1=12.5 CCD, Dia.=1.4', DC=6/... 8-cm apochromat... Sergey E. Shurpakov (Obs.Taurus-1, Baran’, Belarus)
2008 Feb. 03.96 UT: m1=12.3 CCD, Dia.=1.3', DC=7... 8-cm apochromat... Sergey E. Shurpakov (Obs.Taurus-1, Baran’, Belarus)
2008 Feb. 01.98 UT: m1=[12.0... 18-cm L (360x)... Alexandre Amorim (Florianopolis, Brasil) [gsc]
2008 Feb. 01.10 UT: m1=12.3, Dia.=0.8', DC=4... 22-cm L f:6.5 (160x)... Marco Goiato (Araçatuba, Brasil)
2008 Jan. 30.83 UT: m1=12.1, Dia.=1.5', DC=3, no Tail... 23.5-cm SC (94x)... Carlos Labordena (Castellón, España)
2008 Jan. 28.93 UT: m1=11.7 CCD, Dia.=1.2', DC=6/... 8-cm apochromat... Sergey E. Shurpakov (Obs.Taurus-1, Baran’, Belarus)
2008 Jan. 27.89 UT: m1=11.6, Dia.=1.7', DC=4... 20-cm SC (133x)... Juan José González (Alto del Castro – Aralla, alt. 1720 m, León, España)
2008 Jan. 16.00 UT: m1=11.0:, Dia.=–, DC=6... 18-cm L (115x)... Alexandre Amorim (Florianopolis, Brasil) [moonlight]
2008 Jan. 13.85 UT: m1=11.2, Dia.=1.0', DC=8... 25×100 B... Juan José González (Los Veneros – Sierra del Aramo, alt. 1340 m, Asturias, España)
2008 Jan. 13.85 UT: m1=11.4, Dia.=0.8', DC=7... 20-cm SC (100x)... Juan José González (Los Veneros – Sierra del Aramo, alt. 1340 m, Asturias, España)
2008 Jan. 07.12 UT: m1=12.6, Dia.=0.75', DC=6... 22-cm L f:6.5 (160x)... Marco Goiato (Araçatuba, Brasil)
2008 Jan. 05.98 UT: m1=12.1 CCD, Dia.=0.39', DC=7/... 8-cm apochromat... Sergey E. Shurpakov (Obs.Taurus-1, Baran’, Belarus)
2008 Jan. 04.98 UT: m1=12.8 CCD, Dia.=0.63', DC=6/... 8-cm apochromat... Sergey E. Shurpakov (Obs.Taurus-1, Baran’, Belarus)
2008 Jan. 04.43 UT: m1=12.8, Dia.=1.0', DC=6... 40.0-cm L f/4.5 (144x)... Seiichi Yoshida (Ibaraki, Japan)
2008 Jan. 04.01 UT: m1=12.8 CCD, Dia.=0.65', DC=5/... 8-cm apochromat... Sergey E. Shurpakov (Obs.Taurus-1, Baran’, Belarus)
2008 Jan. 03.87 UT: m1=12.2, Dia.=0.7', DC=6... 20-cm SC (160x)... Juan José González (Sierra del Aramo, alt. 980 m, Asturias, España)
2007 Dec. 31.10 UT: m1=12.9, Dia.=1', DC=6... 22-cm L f:6.5 (160x)... Marco Goiato (Araçatuba, Brasil)
2007 Dec. 09.73 UT: m1=14.5, Dia.=0.5', DC=2... 40.0-cm L f/4.5 (257x)... Seiichi Yoshida (Gunma, JPAan)
2007 Dec. 08.68 UT: m1=14.0, Dia.=0.4', DC=2... 40.0-cm L f/4.5 (257x)... Seiichi Yoshida (Gunma, JPAan)
2007 Nov. 17.94 UT: m1=16.1 CCD, Dia.=0.32', DC=8... 8-cm apochromat... Sergey E. Shurpakov (Obs.Taurus-1, Baran', Belarus)
2007 Nov. 06.85 UT: m1=15.7 CCD, Dia.=0.28', DC=7/... 8-cm apochromat... Sergey E. Shurpakov (Obs.Taurus-1, Baran', Belarus)
2007 Nov. 03.63 UT: m1=14.2, Dia.=0.6', DC=2... 40.0-cm L f/4.5 (257x)... Seiichi Yoshida (Gunma, JPAan) [No outburst has bein reported recintly. But it was visible unexpectedly. Diffuse, but not so extremely faint.]
2007 Nov. 02.96 UT: m1=16.6 CCD, Dia.=0.24', DC=9... 8-cm apochromat... Sergey E. Shurpakov (Obs.Taurus-1, Baran’, Belarus)
2007 Oct. 16.88 UT: m1=15.5 CCD, Dia.= 0.76', DC=1/... 8-cm apochromat... Sergey E. Shurpakov (Obs.Taurus-1, Baran’, Belarus)
2007 Oct. 09.89 UT: m1=15.3 CCD, Dia.=0.42', DC=5/... 8-cm apochromat... Sergey E. Shurpakov (Obs.Taurus-1, Baran’, Belarus)
2007 Oct. 05.77 UT: m1=14.1, Dia.=0.4', DC=4... 40.0-cm L f/4.5 (257x)... Seiichi Yoshida (Gunma, JPAan)
2007 Sep. 19.00 UT: m1=15.7 CCD, Dia.=0.38', DC=4/... 19-cm Newton... Sergey E. Shurpakov (Obs.Taurus-1, Baran’, Belarus)
2007 Sep. 17.03 UT: m1=15.7 CCD, Dia.=0.24', DC=8... 8-cm apochromat... Sergey E. Shurpakov (Obs.Taurus-1, Baran’, Belarus)
2007 Aug. 17.03 UT: m1=14.6 CCD, Dia.= 0.37', DC=8/... 8-cm apochromat... Sergey E. Shurpakov (Obs.Taurus-1, Baran’, Belarus)
2007 Aug. 08.01 UT: m1=14.7 CCD, Dia.=0.41', DC=3... 8-cm apochromat... Sergey E. Shurpakov (Obs.Taurus-1, Baran’, Belarus)
2007 Apr. 06.77 UT: m1=12.6 CCD, Dia.=1,5', DC=2... 19-cm Newton... Sergey Shurpakov (Baran’,Belarus)
2007 Mar. 17.85 UT: m1=12.7, Dia=1', DC=3, no Tail... 23.5-cm SCT(188x)... Carlos Labordina (Castellón, España)
2007 Mar. 16.89 UT: m1=12.3, Dia.=1.2', DC=4... 20-cm SC (160x)... Juan José González (Puerto de Aralla, alt. 1480 m, León, España)
2007 Mar. 11.86 UT: m1=12.7, Dia.=1.2', DC=2/... 20-cm SC (133x)... Juan José González (Puerto de Aralla, alt. 1480 m, León, España)
2007 Mar. 11.82 UT: m1=12.8, Dia=1', DC=3, no Tail... 23.5-cm SC (188x)... Carlos Labordina (Castellón, España)
2007 Feb. 11.80 UT: m1=13.9, Dia=0.3', DC=3... 41-cm Newton (226x)... Sergey Shurpakov (Baran’, Belarus)
2007 Feb. 04.84 UT: m1=12.5, Dia.=0.8', DC=5... 20-cm SCT (133x)... Juan José González (Argañosa – Illas, alt.400 m, Asturias, España) [in evolución tras el reciinte outburst]
2007 Jan. 22.75 UT: m1=15.7 CCD, Dia.=0.5', DC=7/... 8-cm apocromático... Sergey Shurpakov (Baran’, Belarus)
2007 Jan. 15.88 UT: m1=16.2 CCD, Dia.=0.31', DC=8... 8-cm apocromático... Sergey Shurpakov (Baran’, Belarus)
2007 Jan. 14.75 UT: m1=16.2 CCD, Dia.=0.40', DC=7... 8-cm apocromático... Sergey Shurpakov (Baran’, Belarus)
2006 Dec. 23.44 UT: m1=[13.4... 40.0-cm L f/4.5 (144x)... Seiichi Yoshida (Gunma, Japan) [I could not see it, maybe disturbed by a nearby 14.6 mag star.]
2006 Dec. 22.53 UT: m1=13.1, Dia.=1.2', DC=1/... 40.0-cm L f/4.5 (144x)... Seiichi Yoshida (Gunma, Japan) [Very faint, near limit, but I could see a faint diffuse object.]
2006 Nov. 15.77 UT: m1=12.5, Dia.=1.5', DC=3/... 42-cm L f/5 (81x)... Martin Lehky (Hradec Kralove, Czech Republic)
2006 Nov. 15.08 UT: m1=[12.1... 180mm L f/8 (115x)... Alexandre Amorim (Florianopolis, Brasil)
2006 Nov. 03.05 UT: m1=12.2 CCD, Dia.=1.0'... lente Nikon 200 mm +  CCD... Luis Mansilla (BRT, Obs. del Teide, Islas Canarias, España)
2006 Oct. 31.66 UT: m1=11.9, Dia.=1.7', DC=3... 40.0-cm L f/4.5 (144x)... Seiichi Yoshida (Gunma, Japan) [Brightest and largest among my recent observations of 29P! Wonderful looking. The central part is well condensed, surrounded with a large diffuse coma. Maciej Reszelski reported it as 13.2 mag on the same day. But in my view, it was much brighter.]
2006 Oct. 24.96 UT: m1=11.9 CCD, Dia.=1.5'... lente Nikon 200 mm +  CCD... Luis Mansilla (BRT, Observatorio del Teide, Islas Canarias, España)
2006 Oct. 21.94 UT: m1=12.5, Dia.=1', DC=4, no Tail... 23.5-cm SC (188x)... Carlos Labordena (Castellón, España)
2006 Oct. 19.02 UT: m1=11.9, Dia.=1'.8, DC=4... 41.0--cm L (72x)... Maciej Reszelski (Szamotuly-Galowo, Poland)
2006 Oct. 14.97 UT: m1=11.8, Dia.=1.3', DC=4... 20-cm SCT (77x)... Juan José González (Cueto Rosales – Riello, 1550 m, León, España)[En evolución tras el reciente outburst]
2006 Sep. 30.05 UT: m1=12.6 CCD, Dia.=1.5'... lente Nikon 200 mm +  CCD... Luis Mansilla (BRT, Observatorio del Teide, Islas Canarias, España)
2006 Sep. 27.68 UT: m1=13.4, Dia.=1.0', DC=3... 40.0-cm L f/4.5 (144x)... Seiichi Yoshida (Gunma, Japan) [Clearly visible unexpectedly. But the condensation was weak. When the last outburst occured? In this year, it seems alwasy visible at 13 mag independent on outbursts.]
2006 Sep. 20.18 UT: m1=12.6 CCD, Dia.=1.3'... lente Nikon 200 mm +  CCD... Luis Mansilla (BRT, Observatorio del Teide, Islas Canarias, España)
2006 Aug. 22.69 UT: m1=13.2, Dia.=1.1', DC=1... 40.0-cm L f/4.5 (144x)... Seiichi Yoshida (Gunma, Japan) [Very diffuse weak object with no condensation]
2006 Aug. 21.11 UT: m1=12.5, Dia.=1.5', DC=2 … 20-cm SCT (100x)... Juan José González (Cueto Rosales – Riello, alt. 1550 m, León, España)
2006 Aug. 20.05 UT: m1=13.0, Dia.=1', DC=3, no Tail... 23.5-cm SC (188x)... Carlos Labordena (Castellón, España)
2006 Aug. 04.11 UT: m1=12.4, Dia.=1.5', DC=2... 20-cm SCT (100x)... Juan José González (Alto del Castro – Aralla, alt. 1720 m, León, España)
2006 July 23.12 UT: m1=12.2, Dia.=1.2', DC=5... 20-cm SCT (100x)... Juan José González (Cueto Rosales – Riello, alt. 1550 m, León, España) [En evolución después del reciente outburst]
2006 Apr. 02.76 UT: m1=14.7 CCD, Dia.=+0.6', DC=4... 25-cm L+ CCD... Toni Scarmato (Calabria, Italia) [Continua la actividad de este cometa peculiar]
2006 Feb. 24.84 UT: m1=12.8, Dia.=1', DC=5, no Tail... 23.5-cm SC (94x)... Carlos Labordena (Serra d’Engarcerán (800m), Castellón, España)
2006 Feb. 22.85 UT: m1=12.5, Dia.=0.8', DC=6... 20-cm SCT (133x)... Juan José González Suarez (Dosango-Santo Adriano, alt. 1200 m, Asturias, España) [En evolución tras el reciente nuevo outburst]
2006 Feb. 16.84 UT: m1=13.7, Dia.=1', DC=1... 25.3-cm SCT (277x)... Juan Pablo Navarro Pina (Murcia, España) [no se observa Tail]
2006 Feb. 02.87 UT: m1=13.1, Dia.=1', DC=5, no Tail... 23.5-cm SCT (188x)... Carlos Labordena (Castellón, España)
2006 Jan. 30.84 UT: m1=13.2, Dia.=0.5', DC=4... 20-cm SCT (133x)... Juan José González Suarez (Robledo de Babia, alt. 1200 m., León, España) [En evolución tras el reciente outburst]
2005 Nov. 08.84 UT: m1=13.1, Dia.=1', DC=2, no Tail ... 23.5-cm SCT(188x)... Carlos Labordena (Castellón, España).2005 Nov. 4.94 UT: m1=13.3, Dia.=0.7', DC=3... 20 -cm SC (160x)... .Juan Jose Gonzalez Suarez (Alto del Trichero – Soto y Amío, alt. 1190 m., León, España ). [Posible nuevo outburst].
2005 Sep. 14.05 UT: m1=13.5, Dia.=0.3', DC=7... 20-cm SCT (133x)... Juan Jose Gonzalez Suarez (Alto del Castro – Aralla, alt. 1720 m, Leon, España)
2005 Aug. 06.77 UT: m1=[12.9... 40.0-cm L f/4.5 (144x)... Seiichi Yoshida (Gunma, Japan) 
2005 Aug. 05.70 UT: m1=[12.8... 40.0-cm L f/4.5 (144x)... Seiichi Yoshida (Gunma, Japan)
2005 Aug. 04.73 UT: m1=[12.4... 40.0-cm L f/4.5 (144x)... Seiichi Yoshida (Gunma, Japan) [Not in outburst. Not visible. Inactive days after a long time.]
2005 Feb. 10 73 UT: m1=13.3, Dia.=1.0', DC=3... 36-cm L (90x)... A. Baransky (Pylypovychi, Ukraine)
2005 Feb. 07.73 UT: m1=13.1, Dia.=0.9', DC=3... 36-cm L (90x)... A. Baransky (Pylypovychi, Ukraine)
2005 Feb. 05.73 UT: m1=13.2, Dia.=1.5', DC=1... 30-cm L (100x)... Vitali Nevski (Vitebsk, Belarus)
2005 Feb. 05.73 UT: m1=13.0, Dia.=1.0', DC=3... 36-cm L (90x)... A. Baransky (Pylypovychi, Ukraine)
2005 Feb. 05.41 UT: m1=12.5:, Dia.=1.2', DC=1... 40.0-cm L f/4.5 (144x)... Seiichi Yoshida (Ibaraki, Japan) [Completely diffused, which implies no outburst occurred recently. Inaccurate estimation due to the city light.]
2005 Jan. 30.83 UT: m1=12.5, Dia.=1', DC=2... 20-cm SCT (133x)... Juan Jose Gonzalez (Cordal de las Segadas, alt. 895 m, Asturias, North Spain) [ Zodiacal light ]
2005 Jan. 30.74 UT: m1=12.4:, Dia.=1.2', DC=3... 36-cm L (80x)... A. Baransky (Pylypovychi, Ukraine)[Zodiacal light]
2005 Jan. 09.73 UT: m1=12.6, Dia.=1.4', DC=3/... 36-cm L (80x)... A. Baransky (Pylypovychi, Ukraine)
2005 Jan. 08.40 UT: m1=11.9, Dia.=1.2', DC=7... 40.0-cm L f/4.5 (144x)... Seiichi Yoshida (Ibaraki, Japan) [Maybe just after the small outburst? I felt it was strongly condensed, although it was not so bright.]
2005 Jan. 07.84 UT: m1=12.4, Dia.=40", DC=4, no tail... 23,5-cm SCT (94x)... Carlos Labordena (Castellón, España) [cielo bueno, luz zodiacal.].
2005 Jan. 07.82 UT: m1=11.9, Dia.=1.5', DC=4... 20-cm SCT (100x)... Juan Jose Gonzalez (Aralla, alt. 1360 m., León, North Spain) [New outburst]
2005 Jan. 07.81 UT: m1=12.4, Dia.=1.5', DC=6/... 25-cm L (60x)... J. Carvajal (Avila, Spain)
2005 Jan. 07.80 UT: m1=12.5, Dia.=1.5', DC=6... 25-cm L (60x)... J. M. San Juan (Avila, Spain)
2005 Jan. 06.88 UT: m1=12.1, Dia.=1.5', DC=4... 20-cm SCT (100x)... Juan Jose Gonzalez (Aralla, alt. 1360 m., León, North Spain) [ Possible beginning of a new outburst ]
2004 Dec. 18.11 UT: m1=12.5, Dia.=0.7', DC=7/... 41-cm L... Alan Hale (Cloudcroft, New Mexico) [comet is clearly visible despite the 6-day-old moon 15 degrees away. Clearly a fresh outburst... I couldn't see anything convincing when I had last checked for the comet four nights earlier]
2004 Dec. 13.69 UT: m1=15.9 CCD, Dia.=0.78', DC=2/... 11-cm L (f/7.3)... Sergey E. Shurpakov (Baran',Belarus) [Big smudged object]
2004 Dec. 12.84 UT: m1=12.3, Dia.=1.5', DC=3... 20-cm SCT (100x)... Juan Jose Gonzalez (Sierra del Aramo, alt. 1240 m, Asturias, North Spain)
2004 Dec. 11.78 UT: m1=12.4, Dia.=90", DC=2,  no tail... 23.5-cm SCT (94x)... Carlos Labordena (Castellon, Spain)
2004 Dec. 11.43 UT: m1=13.0, Dia.=1.6', DC=1... 40.0-cm L f/4.5 (144x)... Seiichi Yoshida (Gunma, Japan) [Very wide and completely diffused. Probably a remnant of very old outburst. But clearly visible with a large telescope.]
2004 Dec. 09.90 UT: m1=12.6, Dia.=1', DC=2... 23.5-cm SCT (117x)... Rafael Benavides (Posadas, Cordoba, Spain)
2004 Dec. 05.87 UT: m1=12.2, Dia.=1.5', DC=2... 20-cm SCT (100x)... Juan Jose Gonzalez (Camposagrado, alt.1135 m, Leon, North Spain)
2004 Dec. 05.73 UT: m1=12.8, Dia.=1.5', DC=2... 20.3-cm L (63x)... Piotr Guzik (Krosno, Poland) [Faint and diffuse. Very good condiotions, NELM~6.6]
2004 Nov. 18.01 UT: m1=11.9, Dia.=2', DC=3... 20-cm SCT (100x)... Juan Jose Gonzalez (Aralla, alt.1440 m, Leon, North Spain)
2004 Nov. 16.73 UT: m1=12.6, Dia.=1.1', DC=3... 30-cm L (100x)... Vitali Nevski (Vitebsk, Belarus)
2004 Nov. 16.50 UT: m1=11.9, Dia.=2', DC=3... 38-cm L (75x)... Michael Mattiazzo (Stockport Observatory, South Australia) [Outburst activity continues]
2004 Nov. 15.98 UT: m1=11.9, Dia.=1.5', DC=3... 20-cm SCT (100x)... Juan Jose Gonzalez (Camposagrado, alt.1135 m, Leon, North Spain)
2004 Nov. 14.80 UT: m1=12.7, Dia.=0.8', DC=4... 20-cm L (110x)... Jacek Powichrowski (Bialystok, Poland)
2004 Nov. 13.83 UT: m1=12.8, Dia.=90", DC=2, no tail... 23.5-cm SCT (67x)... Carlos Labordena (Castellon, Spain)
2004 Nov. 13.01 UT: m1=11.8, Dia.=1.5', DC=4... 20-cm SCT (100x)... Juan Jose Gonzalez (Camposagrado, alt.1135 m, Leon, North Spain)
2004 Nov. 11.83 UT: m1=12.5, Dia.=1.5', DC=3... 20.3-cm L (63x)... Piotr Guzik (Krosno, Poland) [Still rather active, however much fainter and more diffuse than several weeks ago]
2004 Nov. 09.84 UT: m1=12.6, Dia.=1.5, DC=2/... 30-cm L(105x)... Marcin Filipek (Jerzmanowice near Cracow, Poland)
2004 Nov. 09.43 UT: m1=12.9, Dia.=1.1', DC=s4... 40.0-cm L f/4.5 (144x)... Seiichi Yoshida (Gunma, Japan) [Faint stellar nucleus is visible, surrounded with a coma of DC=4]
2004 Nov. 08.83 UT: m1=12.2, Dia.=1.4', DC=4... 30-cm L (60x)... Vitali Nevski (Vitebsk, Belarus)
2004 Nov. 04.88 UT: m1=11.5:, Dia.=2', DC=2/... 36-cm L (80x)... A. Baransky (Pylypovychi, Ukraine) [Comet close to brigth star, moonligth]
2004 Nov. 03.75 UT: m1=11.3, Dia.=2.4', DC=2... 36-cm L (80x)... A. Baransky (Pylypovychi, Ukraine)
2004 Oct. 20.27 UT: m1=13.9 CCD, Dia.=1.2', DC=3/9... 0.41m SCT/CCD... P. Clay Sherrod (ASO Petit Jean Mountain) [An incredible outburst of this comet, with several distinct knots noted in images: (PA in deg.) 132*, 50" from center... 170*, 58" from center... and 221*, 53" from center... strong nucleus (*m2=15.5CCD) displaced toward north in very wide and diffuse coma]
2004 Oct. 19.89 UT: m1=12.1, Dia.=1.5, DC=3... 30-cm L (105x)... Marcin Filipek (Jerzmanowice near Cracow, Poland)
2004 Oct. 16.97 UT: m1=12.2, Dia.=0,7", DC=1, no tail... 23,5-cm SCT (94x)... Carlos Labordena (Castellon, Spain)
2004 Oct. 16.80 UT: m1=12.3, Dia.=1.3', DC=2... 20-cm L (100x)... Andrew Pearce (Noble Falls, Western Australia)
2004 Oct. 15.82 UT: m1=15.0 CCD, Dia.=0.8', DC=4... 11-cm L... Sergey E. Shurpakov (Baran', Belarus)
2004 Oct. 15.64 UT: m1=12.2, Dia.=1.1', DC=5/... 32-cm L (58x)... Yoshimi Nagai (Nagano, Japan)
2004 Oct. 15.47 UT: m1=11.7, Dia.=1.5', DC=2... 40.0-cm L f/4.5 (144x)... Seiichi Yoshida (Gunma, Japan)
2004 Oct. 14.97 UT: m1=12.0, Dia.=2', DC=3... 20-cm L (70x)... A. Baransky (Bucha, Ukraine)
2004 Oct. 14.88 UT: m1=15.3 CCD, Dia.=0.91', DC=3... 11-cm L... Sergey E. Shurpakov(Baran',Belarus)
2004 Oct. 13.99 UT: m1=12.0, Dia.=2.0', DC=4... 36-cm L (80x)... A. Baransky (Pylypovychi, Ukraine)
2004 Oct. 13.86 UT: m1=11.9, Dia.=1.2', DC=3... 30-cm L (60x)... Vitali Nevski (Vitebsk, Belarus)
2004 Oct. 13.81 UT: m1=14.7 CCD, Dia.=0.53', DC=5... 11-cm L... Sergey E. Shurpakov (Baran', Belarus) (Central condensation is located not in centre observed(skim) of the head of the comet)
2004 Oct. 12.86 UT: m1=15.1 CCD, Dia.=0.55', DC=5... 11-cm L... Sergey E. Shurpakov (Baran', Belarus)
2004 Oct. 12.05 UT: m1=12.6, Dia.=0.9', DC=4... 20-cm L (110x)... Jacek Powichrowski (Bialystok, Poland)
2004 Oct. 10.86 UT: m1=14.0 CCD, Dia.=0.58', DC=4... 11-cm L... Sergey E. Shurpakov (Baran', Belarus)
2004 Oct. 10.60 UT: m1=11.7, Dia.=1.4', DC=7... 32-cm L (58x)... Yoshimi Nagai (Nagano, Japan) [Condense.]
2004 Oct. 09.47 UT: m1=11.9, Dia.=0.5', DC=7... 38-cm L 150x... Michael Mattiazzo (Stockport Observatory, South Australia)
2004 Oct. 08.81 UT: m1=12.4, Dia.=1.2', DC=3/... 20-cm L (100x)... Andrew Pearce (Noble Falls, Western Australia)
2004 Oct. 07.04 UT: m1=12.3, Dia.=0.5, DC=7... 30-cm L(105x)... Marcin Filipek (Jerzmanowice near Cracow, Poland)
2004 Sep. 27.88 UT, m1=12.9 CCD, Dia.=40", DC=3... 0.30-m SCT + CCD... Fabio Zucconi (Mairago, LO, Italy)
2004 Sep. 25.92 UT, m1=13.2 CCD, Dia.=25", DC=3... 0.30-m SCT + CCD... Fabio Zucconi (Mairago, LO, Italy)
2004 Sep. 24.84 UT: m1=12.2, Dia.=1.4', DC=3... 20-cm L (90x)... Andrew Pearce (Noble Falls, Western Australia)
2004 Sep. 20.00 UT: m1=11.9, Dia.=1', DC=7... 15-cm R (115x)... Rafael Benavides (Posadas, Cordoba, Spain)
2004 Sep. 19.92 UT: m1=12.1, Dia.=1.0', DC=6... 20-cm L (110x)... Wojciech Burzynski (Czarna Bialostocka, Poland) [Star Central Condensation]
2004 Sep. 19.91 UT: m1=12.2, Dia.=1.2', DC=7... 20-cm L (110x)... Jacek Powichrowski (Bialystok, Poland) [Star Central Condensation]
2004 Sep. 19.77 UT: m1=12.4 , Dia.=0.8', DC=4/... 41-cm L (89x)... Sergey E. Shurpakov (Baran', Belarus)
2004 Sep. 18.91 UT: m1=12.5, Dia.=1', DC=1... 20-cm SCT (80x)... Jose Pablo Navarro Pina (El Palmar, Murcia, Spain)
2004 Sep. 18.87 UT: m1=12.4, Dia.=0.9', DC=7... 36-cm L (80x)... A. Baransky (Pylypovychi, Ukraine) [The comet looks like slightly foggy star, external diffuse part of coma practically is not visible]
2004 Sep. 18.87 UT: m1= 12.1, Dia.=2', DC=2, no tail... 23,5-cm SCT (188x)... Carlos Labordena (Castellon, Spain)
2004 Sep. 17.99 UT: m1=12.3, Dia.=0.7', DC=6/... 20-cm L (70x)... A. Baransky (Bucha, Ukraine)
2004 Sep. 17.93 UT: m1=12.2, Dia.=0.5', DC=7... 30-cm L (60x)... Vitali Nevski (Vitebsk, Belarus)
2004 Sep. 17.78 UT: m1=12.1, Dia.=-, DC=8/... 40.0-cm L f/4.5 (144x)... Seiichi Yoshida (Gunma, Japan) [Almost stellar. I used in-focus method.]
2004 Sep. 17.17 UT: m1=11.5, Dia.15", DC=8... 38-cmL (245x)... Bob King (Duluth, MN USA) [In outburst again! Tiny, very dense 15" inner coma with stellar nucleus set in a faint 1' dia. outer coma. At 64x comet looks stellar. Amazing.]
2004 Sep. 17.11 UT: m1=12.2, Dia.=0.5', DC=7... 20-cm SCT (160x)... Juan Jose Gonzalez (Alto del Castro - Aralla, alt. 1720 m, Leon, North Spain) [Strongly condensed. Outburst]
2004 Sep. 17.02 UT: m1=12.8, Dia.=1.6', DC=2... 20.3-cm L (63x)... Piotr Guzik (Krosno, Poland)
2004 Sep. 15.96 UT: m1=12.4, Dia.=1.3', DC=8... 36-cm L (80x)... A. Baransky (Pylypovychi, Ukraine) [Star-like centrall cond. diffuse external coma]
2004 Sep. 14.92 UT: m1=12.9, Dia.=1.8', DC=2... 20.3-cm L (63x)... Piotr Guzik (Krosno, Poland)
2004 Sep. 11.96 UT: m1=13.0, Dia.=1.5', DC=4... 36-cm L (80x)... A. Baransky (Pylypovychi, Ukraine) [Star-like centrall cond., diffuse, large external coma]
2004 Sep. 11.94 UT: m1=12.3 CCD, Dia.=2.7', DC=8... 25 -cm L f/4.8+CCD... Albino Carbognani (Parma, Italy) [Coma very large, m2=+15.5]
2004 Sep. 11.82 UT: m1=13.0, Dia.=1.2', DC=2... 20-cm L (90x)... Andrew Pearce (Noble Falls, Western Australia) [Difficult object.]
2004 Sep. 10.97 UT: m1=12.7, Dia.=1.5', DC=2... 20.3-cm L (63x)... Piotr Guzik (Krosno, Poland)
2004 Sep. 10.83 UT: m1=[12.5, Dia.=1.0'... 20-cm L (90x)... Andrew Pearce (Noble Falls, Western Australia)
2004 Sep. 08.90 UT: m1=12.7, Dia.=1.5', DC=2... 20.3-cm L (63x)... Piotr Guzik (Krosno, Poland) [Relatively easy to see, however less condensed than three weeks ago.]
2004 Sep. 05.01 UT: m1=13.1 CCD, Dia.=1.3', DC=8... 25-cm L f/4.8+CCD... Albino Carbognani (Parma, Italy) [Coma large, bright nuclear region, m2=+15.2]
2004 Aug. 28.99 UT: m1=13.4 CCD, Dia.=1.5', DC=8... 25-cm L f/4.8+CCD... Albino Carbognani (Parma, Italy) [Coma very large, bright nuclear region, m2=+16.0]
2004 Aug. 26.11 UT: m1=12.8, Dia.=2', DC=2... 20 -cm SCT (77x)... Juan Jose Gonzalez (Alto del Castro - Aralla, alt. 1720 m, Leon, North Spain)
2004 Aug. 24.32 UT: m1=13.2 CCD, Dia.=1.2', DC=5/9... 0.41m SCT/CCD... 10x50 B... P. Clay Sherrod (ASO Petit Jean Mountain) [An incredibly complex sight via CCD... multiple strands within coma and very large (1.2'CCD), open with clear nucleus (*m2=15.8CCD)... no tail]
2004 Aug. 21.11 UT: m1=12.8, Dia.=1.5', DC=3... 20-cm SCT (100x)... Juan Jose Gonzalez (Alto del Castro - Aralla, alt. 1720 m, Leon, North Spain)
2004 Aug. 16.94 UT: m1=13.4, Dia.=1.3', DC=2/... 36-cm L (70x)... A. Baransky (Pylypovychi, Ukraine)
2004 Aug. 15.03 UT: m1=13.2, Dia.=1', DC=3, no tail... 23,5-cm SCT (94x)... Carlos Labordena (Castellon, Spain)
2004 Aug. 13.09 UT: m1=12.8, Dia.=1', DC=3... 20-cm SCT (100x)... Juan Jose Gonzalez (Alto del Castro - Aralla, alt. 1720 m, Leon, North Spain)
2004 Aug. 11.88 UT: m1=14.4, Dia.=0.31', DC=3... 41-cm L (178x)... Sergey E. Shurpakov (Baran', Belarus)
2004 July 13.10 UT: m1=12.2, Dia.=1'.2, DC=4... 20-cm SCT (100x)... Juan Jose Gonzalez ( Alto del Castro - Aralla, alt. 1720 m, Leon, North Spain) [ Comet seems to fade after the outburst ]
2004 June 30.10 UT: m1=11.5, Dia.=1'.5, DC=6... 20-cm SCT (77x)... Juan Jose Gonzalez (Alto del Castro - Aralla, alt. 1720 m, Leon, North Spain) [Outburst continues]
2004 June 27.08 UT: m1=11.8, Dia.=1'.2, DC=6... 20-cm SCT (77x)... Juan Jose Gonzalez (Alto del Castro - Aralla, alt. 1720 m, Leon, North Spain) [Clearly in outburst]
2004 June 24.00 UT: m1=11.9, Dia.=0.5', DC=6... 20.3-cm L (63x)... Piotr Guzik (Krosno, Poland) [Comet is in bright outburst. Visible without any problem as a small, well condensed object.]
2004 June 22.23 UT: m1=11.5, Dia.=0.75', DC=8... 38-cm L... Bob King (Duluth, MN USA) [Outburst. Compact, brighter nuclear region with nearly stellar nucleus in small, faint coma. Easy at 64x]
2003 Dec. 23.67 UT: m1=16.5 CCD, Dia.=10", DC=2... 11-cm L (f/7.3)... Sergey E. Shurpakov (Baran', Belarus)
2003 Dec. 07.10 UT: m1=15.7 CCD, Dia.=15", DC=3/9... 0.41m SCT/CCD... P. Clay Sherrod (ASO - Petit Jean H41) [Comet measured in very strong moonlight and bright conditions for astrometric puroses... very diffuse and measurements adversely affected by low altitude and moonlight]
2003 Dec. 06.46 UT: m1=14.3 CCD, Dia.=26.8", DC=2, Tail= None visible... 0.25m SCT + CCD... David Higgins (Hunters Hill Observatory, Ngunnawal, Canberra, Australia) [Small bright diffuse central condensation and a non-uniform coma just visible through the moonlight. m2=16.9 CCD. Photometry +/- 0.2mag]
2003 Oct. 24.10 UT: m1=14.7 CCD, Dia.=~42", DC=7/9... 0.41m SCT/CCD... P. Clay Sherrod (ASO - Petit Jean H41) [Possible small outburst... comet is quite bright... Condensation estimate is misleading, since comet is primarility "all nucleus", at mag. 14.7 (m7) and a very thin veil of coma surrounding for nearly 1' arc... this coma is very vague and not accurately measureable... ]
2003 Oct. 18.08 UT: m2=15.1 CCD, Dia.=22", DC=3/9... 0.41m SCT/CCD... P. Clay Sherrod (ASO - Petit Jean H41) [Note that coma is very irregular with strong offset toward E. from centroid... only a hint of concentration toward center]
2003 Oct. 17.36 UT: m1=14.2, Dia.=0'5, DC=3... 41-cm L (214x)... John Drummond (Gisborne, New Zealand) [29P barely visible as a very faint diffuse patch. Had to use averted vision]
2003 Oct. 15.36 UT: m1=~13.5, Dia.=1'0, DC=3/... 41-cm L(214x)... John Drummond, (Gisborne, New Zealand) [29P just visible as a very faint diffuse patch]
2003 Oct. 04.64 UT: m1=13.0, Dia.=1.0', DC=4/... 32-cm L (91x)... Yoshimi Nagai (Nagano, Japan)
2003 Sep. 30.82 UT: m1=12.4, Dia.=1', DC=4... 20.3-cm L (63x)... Piotr Guzik (Krosno, Poland) [Comet is fainter and more diffuse than two days ago]
2003 Sep. 30.48 UT: m1=13.1 CCD, Dia.=38.2", DC=7... 0.25m SCT/CCD... David Higgins (Hunters Hill Observatory E14 - Canberra) [Oval shaped coma not evenly distributed around a strong central condensation. Breaks in the coma appear at PA 140 and at PA 230. Coma very much flatter and dimmer on the NW side of the nucleus, m2=16.3]
2003 Sep. 29.91 UT: m1=13.1, Dia.=0.7', DC=3s... 36-cm L (70x)... A. Baransky (Pylypovychi, Ukraine)
2003 Sep. 29.61 UT: m1=12.6, Dia.=1.5', DC=5... 32-cm L (91x)... Yoshimi Nagai (Nagano, Japan)
2003 Sep. 29.24 UT: m1=12.2 CCD, Dia.=40", DC=6/9... 0.41m SCT/CCD... P. Clay Sherrod (ASO - Petit Jean H41) [Very nice developments within coma, with central 1/4 of coma area highly condensed and ellipsoid... some differentiation between outer and inner coma (see image). m2=14.9CCD]
2003 Sep. 28.78 UT: m1=12.1, Dia.=0.8', DC=6... 20.3-cm L (63x)... Piotr Guzik (Krosno, Poland) [Much smaller, much brighter and much moreÊcondensed than three days ago - outburst. Clearly seen despite average sky conditions, NELM~5.7]
2003 Sep. 28.35 UT: m1=12.2, Dia.=0.8', DC=7... 37-cm L (256x) ... Mike Linnolt (Dillingham, HI) [In-Out method, Tycho2+Bessell. Good dark clear skies. Surprisingly compact and condensed. Its brightness May  be primarily due this feature? NELM~6.2]
2003 Sep. 27.67 UT: m1=13.5 CCD, Dia.=32.7, DC=8/9... 0.25m SCT/CCD... David Higgins (Hunters Hill Observatory E14 - Canberra Australia) [Large bright central condensation, no obvious coma but a wide curved fan shaped tail in PA 180, m2=14.5]
2003 Sep. 25.94 UT: m1=13.0:, Dia.=1.6', DC=0/... 20.3-cm L (63x)... Piotr Guzik (Krosno, Poland) [Very diffuse, at the limit of visibility.]
2003 Sep. 21.92 UT: m1=12.8, Dia.=2', DC=0/... 20.3-cm L (63x)... Piotr Guzik (Krosno, Poland) [Very diffuse]
2003 Sep. 21.41 UT: m1=14.1, Dia. 31", DC=8, Tail: 46" in PA 198 deg. ... 25-cm SCT... David Higgins (E14 Ngunnawal Australia) [Tail extends PA 205 then curves to PA 180, m2=16.7]
2003 Sep. 15.42 UT: m1=13.3, Dia.=1.0', DC=4/9... 41-cm L(166x)... John Drummond (Gisborne, New Zealand) [29P definately fainter than my last observation. 29P appears as a fairly large diffuse patch with little central condensation]
2003 Sep. 13.04 UT: m1=12.7, Dia.=1.5', DC=3... 20.3-cm SCT... J. P. Navarro Pina (El Palmar,Murcia, Spain)
2003 Sep. 07.02 UT: m1=12.8, Dia.=1.5', DC=2... 20.3-cm L (63x)... Piotr Guzik (Krosno, Poland)
2003 Sep. 06.00 UT: m1=12.7, Dia.=1.5', DC=2... 20.3-cm L (63x)... Piotr Guzik (Krosno, Poland) [Diffuse, but quite easy to see object]
2003 Sep. 04.87 UT: m1=12.5, Dia.=3', DC=5, No tail... 20-cm SCT (63x)... Toni Scarmato (Calabria, Italy) [The comet appear to be under another outburst. Despite the moonlight is brigther since my last observation.Visible a clear central condensation and a faint coma.]
2003 Sep. 03.57 UT: m1=14.2, Dia.=22", DC=7, Tail= 1' curved PA 180 deg through east to North ... 0.25m SCT + CCD... David Higgins (Hunters Hill Observatory, Ngunnawal, Canberra, Australia) [Overall appearance is a hemisphere/fan with the nucleus at the centre of the straight edge. 2 obvious dust jets 1' in PA 210 and 0.5' in PA 150. m2=16.2]
2003 Sep. 01.90 UT: m1=13.0, Dia.=1.5', DC=2/, No tail... 20-cm SCT (63x)... Toni Scarmato (Calabria, Italy) [Degree of condensation more low since my last observation. No strong central condensation visible]
2003 Aug. 31.97 UT: m1=13.3, Dia.=1.5', DC=4... 20-cm L (50x)... Jacek Powichrowski (Bialystok, Poland)
2003 Aug. 31.41 UT: m1=12.9, Dia.=1.1', DC=4... 41-cm L (166x)... John Drummond (Gisborne, New Zealand) [29P easily seen as a large diffuse patch with a little central condensation - reminds me of a planetary neb.]
2003 Aug. 31.40 UT: m1=13.2, Dia.=1.1', DC=5 ... 37-cmL (256x)... Mike Linnolt (Dillingham, HI) [In-Out method. GSC1.2 Good dark clear skies. Noticeably brighter than one month ago. NELM~6.2]
2003 Aug. 28.92 UT: m1=13.1, Dia.=2', DC=4, No tail... 20-cm SCT (50x)... Toni Scarmato (Calabria, Italy) [Comet with a good degree of condensation]
2003 Aug. 27.12 UT: m1=12.7, Dia.=1', DC=5... 20-cm SCT (206x)... Juan Jose Gonzalez (Alto del Castro - Aralla, alt. 1720 m, Leon, North Spain)
2003 Aug. 25.98 UT: m1=12.6, Dia.=0.8', DC=5... 20.3-cm L (63x)... Piotr Guzik (Krosno, Poland) [HS comparisons. Bright, condensed,Êeasy to see object.]
2003 Aug. 25.90 UT: m1=12.7, Dia.=1', DC=3 ... 23.5-cm SCT (235x)... Rafael Benavides (Posadas, Cordoba, Spain)
2003 Aug. 24.92 UT: m1=13.3, Dia.=2', DC=3, No tail... 25-cm L (140x)... Toni Scarmato (Calabria, Italy)
2003 Aug. 23.98 UT: m1= 12.8, Dia.=3', DC=2, No tail... 23.5-cm SCT (188x)... Carlos Labordena(Castellon, Spain)
2003 Aug. 23.87 UT: m1=13.4, Dia.=2', DC=3, No tail... 25-cm L (140x)... Toni Scarmato (Calabria, Italy)
2003 Aug. 19.90 UT: m1=12.5 , Dia.=0.9', DC=3... 20-cm SCT... J. P. Navarro Pina (Sierra Nevada, Granada, Spain)
2003 Aug. 09.37 UT: m1=15.3 CCD, Dia.=13", DC=6/9... 0.41-m SCT/CCD... P. Clay Sherrod (ASO - Petit Jean H41) [Comet has changed considerably over the past weeks... now very much condensed with weak nucleus (*m2=16.5CCD) and very compressed and intense coma... perimeter is quite diffuse, but strongly concentrated within inner 2/3 of diameter]
2003 Aug. 06.02 UT: m1=[13.5, Dia.=0.5'... 20.3-cm L (108x)... Piotr Guzik (Krosno, Poland)
2003 June 27.99 UT: m1=[13.0, Dia.=0.5'... 20.3-cm L (63x)... Piotr Guzik (Krosno, Poland)
2003 June 24.99 UT: m1=[12.7, Dia.=0.5'... 20.3-cm L (63x)... Piotr Guzik (Krosno, Poland)
2003 June 09.38 UT: m1=13.6 CCD, Dia.=0.48, DC=7/9... 0.41-m SCT/CCD... P. Clay Sherrod (ASO - Petit Jean Mountain, H41)... ) [An incredibly bright nucleus is seen this morning in a very large and extended irregular coma... an extension is noted in PA 135 deg a short distance from a slightly flattened SE quadrant of the coma]
2003 June 08.40 UT: m1=13.9 CCD, Dia.=0.3', DC=5/9... 0.41-m SCT/CCD... P. Clay Sherrod (ASO - Petit Jean H41) [Coma is very large and diffuse with a strong central conds... (*m2=15.5CCD)... much perimeter irregularity is noted]
2003 June 08.02 UT: m1=[13.0, Dia.=0.5'... 20.3-cm L (63x)... Piotr Guzik (Krosno, Poland)
2003 June 07.64 UT: m1=13.6, Dia.=0'.9, DC=4... 41-cm L... John Drummond (Gisborne, New Zealand) [29P appears as a faint smudge with a slight condensation at the nucleus]
2003 June 07.41 UT: m1=14.8 CCD, Dia.=0.3', DC=2/9... 0.41-m SCT/CCD... P. Clay Sherrod (ASO - Petit Jean H41) [Measured astrometrically in twilight after fog broke, so m1 not possible... very large coma, quite diffuse and irregular]
2003 June 06.65 UT: m1=13.7, Dia.=0'.9, DC=5... 41-cm L... John Drummond (Gisborne, New Zealand) [29P has a small, tight nucleus surrounded by a large, faint coma]
2003 May  27.72 UT: m1=13.0, Dia.=0'.7, DC=4... 41-cm L... John Drummond (Gisborne, New Zealand) [29P appears as a fuzzy, even patch with a little central condensation]
2003 May  23.36 UT: m1=13.8 CCD, Dia.=0.28', DC = 3/9... 0.41-m SCT/CCD... P. Clay Sherrod (ASO - Petit Jean Mountain, H41) [Comet on west horizon in twilight, clearly in outburst... very open and diffuse coma and bright among poor star field]
2002 Dec. 07.78 UT: m1=13.8, Dia.=1.5', DC=0... 45-cm L (100x)... J. Carvajal (Toledo, Spain) [Didn't have any expectations of reaching this comet but still a relatively easy object very diffusse]
2002 Nov. 07.04 UT: m1=14.1 CCD, Dia.=0.22', DC=3/9... 0.31-m SCT/CCD... P. Clay Sherrod (ASO - Conway) [Comet is quite large, round and diffuse, but immediately south of fairly bright (13th mag.) star and thus measurements are difficult... appears to be uniform, no conds.]
2002 Nov. 04.51 UT: m1=13.3, Dia.=1', DC=7... 28-cm SCT (84x)... Michael Mattiazzo (Wallaroo, South Australia)
2002 Nov. 03.29 UT: m1=13.3, Dia.=25", DC=4... 37-cm L (256x)... Mike Linnolt (Dillingham, HI) [In-out method. Comps 12.9, 13.3, 13.8. USNO-A2.0 B,R magnitudes converted to V. Dark sky site. A somewhat compact and condensed appearing object.]
2002 Nov. 02.46 UT: m1=13.5:, Dia.=1', DC=4... 28-cm SCT (133x)... Michael Mattiazzo (Wallaroo, South Australia)
2002 Nov. 01.85 UT: m1=12.4, Dia.=90", DC=3, No tail... 20-cm SCT (80x)... Carlos Labordena (Castellon, Spain)
2002 Oct. 31.29 UT: m2=14.8 CCD, Dia.=&1.6′... 1.2-m reflector + CCD... R. Bambery, E. Helin, S. Pravdo, M. Hicks, K. Lawrence, P. Kervin, T. Prystavski (Near-Earth Asteroid Tracking NEAT, MPC 608)
2002 Oct. 30.52 UT: m1=13.5:, Dia.=0.5', DC=6... 28-cm SCT (84x)... Michael Mattiazzo (Wallaroo, South Australia)
2002 Oct. 11.41 UT: m1=13.2: CCD, Dia.=&1.3′... 1.2-m reflector + CCD... R. Bambery, E. Helin, S. Pravdo, M. Hicks, K. Lawrence, P. Kervin, T. Prystavski (Near-Earth Asteroid Tracking NEAT, MPC 608) [diffuse coma with fuzzy edges]
2002 Oct. 05.60 UT: m1=13.5:, Dia.=1', DC=4... 28-cm SCT (84x)... Michael Mattiazzo (Wallaroo, South Australia)
2002 Sep. 30.52 UT: m1=12.9, Dia.=1', DC=5... 28-cm SCT (84x)... Michael Mattiazzo (Wallaroo, South Australia)
2002 Sep. 29.48 UT: m1=12.8, Dia.=1', DC=6... 28-cm SCT (84x)... Michael Mattiazzo (Wallaroo, South Australia)
2002 Sep. 23.08 UT: m1=14.8, Dia.=32", DC = 7/9... 0.31-m SCT/CCD... P. Clay Sherrod (ASO - Conway) [Very conspicuous and possibly in yet another outburst. Comet appears quite distinct, with a very faint fanned extension spanning 174 to 192 deg.... *m2 = 17.89CCD. ]
2002 Sep. 21.28 UT: m1=13.3 CCD, Dia.=0.8′... 1.2-m reflector + CCD... R. Bambery, E. Helin, S. Pravdo, M. Hicks, K. Lawrence, P. Kervin, T. Prystavski (Near-Earth Asteroid Tracking NEAT, MPC 608)
2002 Sep. 12.49 UT: m2=15.7 CCD, Dia.=&2′... 1.2-m reflector + CCD... R. Bambery, E. Helin, S. Pravdo, M. Hicks, K. Lawrence, P. Kervin, T. Prystavski (Near-Earth Asteroid Tracking NEAT, MPC 608)
2002 Sep. 12.24 UT: m1=~15.6 CCD (m2=16.6), Dia.=~28", DC=6/9... 0.31-m SCT/CCD... P. Clay Sherrod (ASO - Conway) [Comet is very difficult, low in SW sky with haze... perimeter of coma not clearly delineated... strong condensation (*m2 = 16.6)with coma nearly transparent against sky]
2002 Sep. 10.90 UT: m1=13.2, Dia.=0.5', DC=2... 21-cm L (100x)... J. Carvajal (Avila, Spain) [Difficult to see because of a low surface brightness and diameter smaller than previous obs.]
2002 Sep. 10.22 UT: m1=15.1 CCD, Dia.=0.3', DC=4/9... 0.31-m SCT/CCD... P. Clay Sherrod (ASO - Conway) [Appears quite irregular in shape with possible elongation in a N-S orientation... becoming very faint and difficult... skies hazy and moderate light pollution]
2002 Sep. 06.26 UT: m1=13.5 CCD, Dia.=23", DC=4/9... 0.31-m SCT/CCD... P. Clay Sherrod (ASO - Conway) [Comet maintains brightness but is featureless and becoming somewhat smaller... very little central condensation]
2002 Sep. 05.233 UT: m1=~15 CCD, Dia.=20", DC=3/9... 0.31-m SCT/CCD... P. Clay Sherrod (ASO - Conway) [Comet is too close to mag. 14.4 star to determine photometric value... very distinct fan shape still persists, from PA 358 deg to 35 deg... very little central conds]
2002 Sep. 02.44 UT: m2=14.9 CCD, Dia.=&3.0′... 1.2-m reflector + CCD... R. Bambery, E. Helin, S. Pravdo, M. Hicks, K. Lawrence, P. Kervin, T. Prystavski (Near-Earth Asteroid Tracking NEAT, MPC 608)
2002 Aug. 31.86 UT: m1=[12.5, Dia.=0.5'... 20-cm L (63x)... Piotr Guzik (Krosno, Poland)
2002 Aug. 29.92 UT: m1=12.7, Dia.=1', DC=2... 20-cm SCT (77x)... Juan Jose Gonzalez (Puerto de Aralla, alt. 1720 m, Leon, North Spain )
2002 Aug. 27.18 UT: m2=15.0 CCD, Dia.=&2.1′... 1.2-m Schmidt + CCD... R. Bambery, E. Helin, S. Pravdo, M. Hicks, K. Lawrence, R. Thicksten, T. Prystavski (Near-Earth Asteroid Tracking NEAT, MPC 644)
2002 Aug. 17.27 UT: m2=15.0 CCD, Dia.=&2.0′... 1.2-m Schmidt + CCD... R. Bambery, E. Helin, S. Pravdo, M. Hicks, K. Lawrence, R. Thicksten, T. Prystavski (Near-Earth Asteroid Tracking NEAT, MPC 644)
2002 Aug. 08.31 UT: m2=13.8 CCD, Dia.=&1′... 1.2-m Schmidt + CCD... R. Bambery, E. Helin, S. Pravdo, M. Hicks, K. Lawrence, R. Thicksten, T. Prystavski (Near-Earth Asteroid Tracking NEAT, MPC 644)
2002 July 30.220 UT: m1=15.03 CCD, Dia.=25", DC=2/9... 0.3-m SCT /CCD... P.Clay Sherrod, (ASO, Conway, Arkansas) [large, round... comet is uniform in brightness across the coma and diffuse... no nucleus seen, moonlight interferes]
2002 July 29.212 UT: m1=14.81 CCD, Dia.=22", DC=2/9... 0.3-m SCT /CCD... P.Clay Sherrod, (ASO, Conway, Arkansas) [rising gibbous moon makes detection of entire periphery of this very faint and "transparent" coma difficult... very large and faint]
2002 July 23.02 UT: m1=13.1, Dia.=1', DC=2... 20-cm SCT (133x)... Juan JoseGonzalez (Alto del Castro - Aralla, alt. 1720 m, Leon, North Spain)
2002 July 18.32 UT: m2=15.7 CCD, Dia.=&5′... 1.2-m Schmidt + CCD... R. Bambery, E. Helin, S. Pravdo, M. Hicks, K. Lawrence, R. Thicksten, T. Prystavski (Near-Earth Asteroid Tracking NEAT, MPC 644)
2002 July 11.64 UT: m1=[11.9, Dia.=1.6'... 25.4-cm T f/6.3 (116x)... Seiichi Yoshida (Ibaraki, Japan)
2002 July 09.379 UT: m2=14.87 CCD, Dia.=1.4', DC=2/9... 0.3-m SCT /CCD... P. Clay Sherrod (ASO, Conway, Arkansas) [Comet coma is very difficult to discern in larger scope... nuclear condensation not seen tonight, likely because of deteriorating conditions]
2002 July 07.359 UT: m1=14.89 CCD, Dia.=12-16", DC=5/9... 0.3-m SCT/CCD... P. Clay Sherrod (ASO, Conway, Arkansas) [comet is considerably irregular, with three areas of equal brightening within a very irregular and patchy coma... considerably fainter now]
2002 July 07.02 UT: m1=12.3, Dia.=5', DC=2... 45-cm L (91x)... J. M. San Juan (Segovia, Spain)
2002 July 07.02 UT: m1=12.0, Dia.=5', DC=2... 45-cm L (91x)... J. Carvajal (Segovia, Spain)
2002 July 06.30 UT: m2=15.5 CCD, Dia.=&3.5′... 1.2-m Schmidt + CCD... R. Bambery, E. Helin, S. Pravdo, M. Hicks, K. Lawrence, R. Thicksten, T. Prystavski (Near-Earth Asteroid Tracking NEAT, MPC 644)
2002 July 05.89 UT: m1=13.6, Dia.=0.6', DC=2... 41-cm L (200x)... Andrew Pearce (Nedlands,Western Australia)
2002 July 05.46 UT: m2=15.3 CCD, Dia.=&3.5′... 1.2-m Schmidt + CCD... R. Bambery, E. Helin, S. Pravdo, M. Hicks, K. Lawrence, R. Thicksten, T. Prystavski (Near-Earth Asteroid Tracking NEAT, MPC 644)
2002 June 25.44 UT: m2=15.1 CCD, Dia.=&2′... 1.2-m Schmidt + CCD... R. Bambery, E. Helin, S. Pravdo, M. Hicks, K. Lawrence, R. Thicksten, T. Prystavski (Near-Earth Asteroid Tracking NEAT, MPC 644)
2002 June 16.47 UT: m2=14.3 CCD, Dia.=&1.5′... 1.2-m Schmidt + CCD... R. Bambery, E. Helin, S. Pravdo, M. Hicks, K. Lawrence, R. Thicksten, T. Prystavski (Near-Earth Asteroid Tracking NEAT, MPC 644)
2002 May 15.59 UT: m1=13.2: CCD, Dia.=1.3′... 1.2-m reflector + CCD... R. Bambery, E. Helin, S. Pravdo, M. Hicks, K. Lawrence, P. Kervin, T. Prystavski (Near-Earth Asteroid Tracking NEAT, MPC 608) [diffuse coma with fuzzy edges]
2002 May  09.46 UT: m1=13.3, Dia.=1', DC=3... 41-cm L... Alan Hale (Cloudcroft, New Mexico) [the comet appears a bit larger and more diffuse than it did the previous morning]
2002 May  08.46 UT: m1=13.5, Dia.=0.5', DC=4/... 41-cm L... Alan Hale (Cloudcroft, New Mexico) [the comet appears fairly small, and its overall appearance suggests the current outburst is a few days old]
2001 Nov. 10.09 UT: m1=13.3, Dia.=1', DC=3/... 41-cm L... Alan Hale (Cloudcroft, New Mexico) [low altitude, sky conditions a bit better than two evenings earlier. The comet is definitely diffuse, and its appearance suggests the outburst May  be a few days old.]
2001 Nov. 08.08 UT: m1=13.6, Dia.=0.2', DC=6... 41-cm L... Alan Hale (Cloudcroft, New Mexico) [low altitude, sky conditions not especially good. The comet appears not much more than stellar, although this May  well be due to the sky conditions.]
2001 Oct. 14.46 UT: m1=[13.5... 27.5-cm SCT (88x)... Michael Mattiazzo (Wallaroo, South Australia)
2001 Oct. 08.53 UT: m1=[13.6... 27.5-cm SCT (88x)... Michael Mattiazzo (Wallaroo, South Australia)
2001 Aug. 25.94 UT: m1=11.6... 25-cm L... Jose G. de S. Aguiar (Joaquim Egídio, Brazil)
2001 Aug. 23.60 UT: m1=12.5:, Dia.=1.5',DC=3... 20-cm L (45x)... Michael Mattiazzo (Wallaroo, South Australia) [In-Out method. GSC comparisons 11.1, 11.9, 12.5, 13.4. Comet in outburst. Poor transparency due to milky way interference]
2001 Aug. 18.88 UT: m1=11.6, Dia.=1', DC=1... 25-cm L (96x)... C. Segarra (Algimia, Spain)
2001 Aug. 14.86 UT: m1=11.8, Dia.=1', DC=1... 25-cm L (96x)... C. Segarra (Algimia, Spain)
2001 July 15.66 UT: m1=13.0:, Dia.=0.5', DC=6... 20-cm L (160x)... Michael Mattiazzo (Wallaroo, South Australia) [In-Out method, transparency average, GSC comparisons 12.2, 12.5, 12.7. Another outburst!]
2001 July 14.20 UT: m1=13.6, Dia.=0.2', DC=8/... 41-cm L... Alan Hale (Cloudcroft, New Mexico) [very clearly the initial stages of a fresh outburst... the comet is almost completely stellar, with only a small hint of diffuseness. Based upon its appearance I'd say the outburst is probably no more than ~1 day old. I'd last looked for this comet on July 10.2 UT (visually only) and hadn't seen anything.]
2001 June 17.49 UT: m1=[14.0... 20-cm L (160x)... Michael Mattiazzo (Wallaroo, South Australia)
2001 June 16.12 UT: m1=13.0:... 25.4-cm SCT (96x)... WIllian Souza (Joaquim Egidio, Brazil)
2001 June 14.54 UT: m1=14.0:, Dia.=0.5', DC=4... 20-cm L (160x)... Michael Mattiazzo (Wallaroo, South Australia) [In-Out method, transparency good, GSC comparisons 13.6, 14.2]
2001 June 12.50 UT: m1=14.0:, Dia.=0.5', DC=4... 20-cm L (160x)... Michael Mattiazzo (Wallaroo, South Australia) [In-Out method, transparency good, GSC comparisons 13.1, 13.8]
2000 Oct. 01.52 UT: m1=[13.0... 20-cm L (160x)... Michael Mattiazzo (Wallaroo, South Australia)
2000 Aug. 02.57 UT: m1=[13.0... 20-cm L (160x)... Michael Mattiazzo (Wallaroo, South Australia)
2000 Aug. 01.46 UT: m1=[13.0... 20-cm L (160x)... Michael Mattiazzo (Wallaroo, South Australia)
2000 July 25.53 UT: m1=[13.5... 20-cm L (160x)... Michael Mattiazzo (Wallaroo, South Australia)
2000 July 04.65 UT: m1=[13.5... 20-cm L (160x)... Michael Mattiazzo (Wallaroo, South Australia)
2000 July 01.96 UT: m1=13.7:... 23-cm L (115x)... Jose G. S. Aguiar (Joaquim Egidio, Brazil)
2000 June 08.80 UT: m1=[14.0, Dia.=0.5'... 41-cm L (200x)... Andrew Pearce (Nedlands, Western Australia)
2000 June 07.80 UT: m1=[14.0, Dia.=0.5'... 41-cm L (200x)... Andrew Pearce (Nedlands, Western Australia)
2000 June 04.60 UT: m1=[13.5... 20-cm L (160x)... Michael Mattiazzo (Wallaroo, South Australia)
2000 May  31.64 UT: m1=[13.5... 20-cm L (160x)... Michael Mattiazzo (Wallaroo, South Australia)
2000 Apr. 05.63 UT: m1=[13.5... 20-cm L (158x)... Michael Mattiazzo (Wallaroo, South Australia)
2000 Mar. 28.58 UT: m1=[13.0... 20-cm L (158x)... Michael Mattiazzo (Wallaroo, South Australia)
2000 Mar. 12.54 UT: m1=[13.7... 20-cm L (70x)... Mike Linnolt (Haiku, Maui, HI)
2000 Mar. 05.56 UT: m1=13.9, Dia.=0.8', DC=3... 20-cm L (70x)... Mike Linnolt (Haleakala NP, Maui, HI)
2000 Mar. 03.85 UT: m1=[13.5, Dia.=0.5'... 41-cm L (200x)... Andrew Pearce (Nedlands, Western Australia)
2000 Feb. 17.65 UT: m1=[13.0... 20-cm L (40x)... Mike Linnolt (Haiku, Maui, HI)
2000 Jan. 02.83 UT: m1=14.0, Dia.=0.5'... 41-cm L... Andrew Pearce (Dowerin, Western Australia)
1999 Sep. 06.45 UT: m1=[13.0... 20-cm L (158x)... Michael Mattiazzo (Wallaroo, South Australia)
1999 July 08.55 UT: m1=[13.0... 20-cm L (158x)... Michael Mattiazzo (Wallaroo, South Australia)
1999 June 12.21 UT: m1=12.9, Dia.=1.5', DC=3/... 41-cm L... Alan Hale (Cloudcroft, New Mexico) [the comet's overall appearance suggests the outburst is a few days old, which is reasonably consistent with my last negative observation on June 4.17]
1999 June 07.48 UT: m1=[13.0... 20-cm L (158x)... Michael Mattiazzo (Wallaroo, South Australia)
1999 May  22.72 UT: m1=13.9, Dia.=0.8', DC=2... 41-cm L... Andrew Pearce (Nedlands, Western Australia)
1999 May  21.78 UT: m1=[13.0, Dia.=0.5'... 41-cm L... Andrew Pearce (Nedlands, Western Australia)
1999 May  17.79 UT: m1=[14.0, Dia.=0.5'... 41-cm L... Andrew Pearce (Nedlands, Western Australia)
1999 May  13.61 UT: m1=[13.0... 20-cm L (158x)... Michael Mattiazzo (Wallaroo, South Australia)
1999 Apr. 26.80 UT: m1=[14.0, Dia.=0.5'... 41-cm L... Andrew Pearce (Nedlands, Western Australia)
1999 Apr. 25.79 UT: m1=[14.0, Dia.=0.5'... 41-cm L... Andrew Pearce (Nedlands, Western Australia)
1999 Apr. 20.83 UT: m1=[14.0, Dia.=0.5'... 41-cm L... Andrew Pearce (Nedlands, Western Australia)
1999 Apr. 19.83 UT: m1=[14.0, Dia.=0.5'... 41-cm L... Andrew Pearce (Nedlands, Western Australia)
1999 Apr. 19.55 UT: m1=[13.0... 20-cm L (158x)... Michael Mattiazzo (Wallaroo, South Australia)
1999 Apr. 18.86 UT: m1=[14.0, Dia.=0.5'!... 41-cm L... Andrew Pearce (Nedlands, Western Australia)
1999 Apr. 12.81 UT: m1=13.7, Dia.=0.7', DC=2... 41-cm L... Andrew Pearce (Nedlands, Western Australia)
1999 Apr. 11.80 UT: m1=13.5, Dia.=1.1', DC=3... 41-cm L... Andrew Pearce (Nedlands, Western Australia)
1999 Apr. 08.55 UT: m1=13.3, Dia.=1.0',DC=4... 20-cm L (158x)... Michael Mattiazzo (Wallaroo, South Australia) [under better observing conditions tonight, the comet appears as a small, moderately condensed object]
1999 Apr. 01.86 UT: m1=12.8, Dia.=0.7', DC=5... 41-cm L... Andrew Pearce (Nedlands, Western Australia) [Bright moonlit sky. Moderately condensed object. Slightly fainter than last night.]
1999 Mar. 31.87 UT: m1=12.6, Dia.=0.7', DC=5... 41-cm L... Andrew Pearce (Nedlands, Western Australia) [Bright moonlit sky, observation made at onset of astronomical twilight such that Moon is as low in the sky as possible. Comet relatively easy to see even at low power. Moderately condensed object.]
1999 Mar. 30.84 UT: m1=12.8, Dia.=0.5', DC=6... 41-cm L... Andrew Pearce (Nedlands, Western Australia) [Comet in outburst! Rapid brightening has evidently taken place since last negative observation ([14.0) made 3 days ago. Strongly condensed small coma suggests that this is the early stage of an outburst. Unfortunately the moon will make observations difficult from now on.]
1999 Mar. 28.48 UT: m1=13.0:, Dia.=<0'.1, DC=9... 41-cm L... Alan Hale (Cloudcroft, NM) [an essentially stellar object was seen in the comet's expected position. This object was not in that location the following morning -- although this observation was not easy in the bright sky -- and unfortunately the comet then was located right on top of an 11th- magnitude star. Moonlight, unfortunately, will interfere for the next week or so.]
1999 Mar. 27.79 UT: m1=[14.0, Dia.=!0.5'... 41-cm L... Andrew Pearce (Nedlands, Western Australia)
1999 Mar. 26.80 UT: m1=[14.0, Dia.=!0.5'... 41-cm L... Andrew Pearce (Nedlands, Western Australia)
1999 Jan. 20.82 UT: m1=[13.5... 41-cm L... Andrew Pearce (Nedlands, Western Australia)
1999 Jan. 18.82 UT: m1=[13.5... 41-cm L... Andrew Pearce (Nedlands, Western Australia)
1999 Jan. 17.80 UT: m1=[13.5... 41-cm L... Andrew Pearce (Nedlands, Western Australia)
1998 June 17.56 UT: m1=[13.0... 20-cm L (158x)... MichaelMattiazzo (Wallaroo, South Australia)
1998 May  15.88 UT: m1=[14.0... 44-cm L (156x)... Werner Hasubick (Buchloe, Germany)
1998 Apr. 22.54 UT: m1=[12.5... 20-cm L (158x)... Michael Mattiazzo(Wallaroo, South Australia)
1998 Apr. 19.33 UT: m1=13.5 CCD, Dia.=1', DC=1... 45-cm CASS/ST6... Tom Johnston (Sommers-Bausch Observatory, CU)[Diffuse]
1998 Mar. 25.29 UT: m1=12.5 CCD, Dia.=2', DC=2... 45-cm CASS/ST6... Tom Johnston (Sommers-Bausch Observatory, CU)[Short fan tail]
1998 Mar. 21.06 UT: m1=12.6, Dia.=2', DC=2... 32-cm L (75x)... J. M. San Juan (Avila, Spain)
1998 Mar. 21.05 UT: m1=12.8, Dia.=1.5', DC=2... 32-cm L (75x)... J. Carvajal (Avila, Spain)
1998 Feb. 28.47 UT: m1=13.8, Dia.=0.5', DC=2... 25.6-cm L (169x)... Nicolas Biver (Makaha, Oahu, Hawaii)
1998 Feb. 28.03 UT: m1=14.3, Dia.=0.5', DC=0... 44.5-cm L (100x)... J. Carvajal (Avila, Spain)
1998 Feb. 26.56 UT: m1=13.2, Dia.=1', DC=2... 25.6-cm L (84x)... Nicolas Biver (Koko Head, Oahu, Hawaii)
1998 Feb. 22.60 UT: m1=[13... 20-cm L (158x)... Michael Mattiazzo (Wallaroo, South Australia) [suspected observation at limit of telescope]
1998 Feb. 02.75 UT: m1=12.8, Dia.=2.5', DC=3... 41-cm L (180x)... M. Clark (Yericoin, Western Australia)

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