10P/Tempel 2

10P/Tempel 2
Reported observations:
2016 Jan. 08.74 UT: m1=11.8 DSLR, Dia.=1′... 1100d+300-mm lens... Giuseppe Pappa (Sicily, Italy)
2015 Dec. 29.73 UT: m1=11.0 DSLR, Dia.=1.5′... canon 1100d+300-mm lens... Giuseppe Pappa (Mascalucia, Sicily, Italy)
2015 Dec. 19.10 UT: m1=10.0, Dia.=4′, DC=3... 56-cm (100x)... Brad Young (Tulsa, OK, USA)
2015 Dec. 07.19 UT: m1=10.0 DSLR, Dia.=4′... digital reflex+0.3-m lens... Giuseppe Pappa (Sicily, Italy)
2015 Dec. 06.07 UT: m1=9.7, Dia.=2, DC=3... 30×125 B... Carl Hergenrother (Tucson, AZ, USA)
2015 Nov. 30.79 UT: m1=9.2, Dia.=5′, DC=2... 20-cm SCT (77x)... Juan José González ( Alto del Trichero – Soto y Amío, alt. 1190 m, León, España) [Estrella de magnitud 11.3 (APASS) en la coma. Altura sobre el horizonte: 9º. Luz zodiacal. Cielo muy claro de montaña]
2015 Nov. 15.73 UT: m1=11.6 DSLR, Dia.=1′, Digital reflex+0.3-m lens... Giuseppe Pappa (Sicily, Italy)
2015 Nov. 15.72 UT: m1=11.5 DSLR, Dia.=2′, Digital reflex+0.3-m lens... Giuseppe Pappa (Sicily, Italy)
2015 Nov. 14.76 UT: m1=9.8, Dia.=3′, DC=2, no tail... 20-cm SCT (80x)... Carlos Labordena (Castellón, España)
2015 Nov. 09.72 UT: m1=11.4 DSLR, Dia.=1′... Digital reflex+0.3-m lens... Giuseppe Pappa (Sicily, Italy)
2015 Nov. 07.96 UT: m1=11.1, Dia.=1.5′, DC=3... 22-cm L (160X)... Marco Antonio Coelho Goiato (Araçatuba, Brazil)
2015 Nov. 07.78 UT: m1=9.5, Dia.=4′, DC=2... 20-cm SCT (77x)... Juan José González (Alto del Cellerón – Camposagrado, alt. 1190 m, León, España) [Altura sobre el horizonte: 11º. Cielo muy claro de montaña]
2015 Nov. 06.96 UT: m1=11.2:, Dia.=1.5′, DC=3... 22-cm L (160X)... Marco Antonio Coelho Goiato (Araçatuba, Brazil) [Clouds]
2015 Nov. 06.40 UT: m1=11.7, Dia.=1.4’... DC=2/... 25-cm L f:5 (83x)... Chris Wyatt (Walcha, NSW, Australia) [Coma very diffuse, semi-opaque, weakly condensed, pale blue in colour. Does not enhance in Swan Band filter. No tail]
2015 Oct. 31.08 UT: m1=[10.8, negative... 15-cm T (37.5x)... Salvador Aguirre (Observatorio Real del Molinito, Hermosillo, Sonora, Mexico)
2015 Oct. 16.39 UT: m1=12.0: CCD Dia.=&2.4′... [T31] 0.50-m f/6.8 astrograph + CCD + focal reducer... A. Novichonok & T. Prystavski (iTelescope observatory, Q62 remotely from Siding Spring, Australia)
2015 Oct. 14.81 UT: m1=9.5, Dia.=4′, DC=2/... 20-cm SCT (77x)... Juan José González (Alto del Castro, alt. 1720 m, León, España) [Altura sobre el horizonte: 11º. Cielo muy claro de montaña]
2015 Oct. 09.42 UT: m1=11.1, Dia.=3.5’, DC=2... 25-cm L f:5 (39x)... Chris Wyatt (Walcha, NSW, Australia) [Close to mag 11 and 12 stars... enhances slightly in Swan Band filter, no tail. Coma very diffuse and transparent]
2015 Oct. 08.40 UT: m1=11.3, Dia.=2.8′, DC=2/... 30-cm Dobson... Con Stoitsis (Caulfield, Australia) [Coma very diffused and uniformed. Easier with averted vision]
2015 Oct. 06.95 UT: m1=10.6, Dia.=2′, DC=4... 22-cm L (60x)... Marco Antonio Coelho Goiato (Araçatuba, Brazil) [No enhancement with comet filter]
2015 Oct. 05.41 UT: m1=11.0, Dia.=4.8’, DC=2... 25-cm L f:5 (39x)... Chris Wyatt (Walcha, NSW, Australia) [Sky hazy, slight Zodiacal light interference. Coma very diffuse with very weakly condensed centre, no tail. Enhances slightly in Swan Band filter]
2015 Oct. 03.42 UT: m1=11.1, Dia.=3.4’, DC=2... 25-cm L f:5 (39x)... Chris Wyatt (Walcha, NSW, Australia) [Very diffuse coma, enhances slightly in Swan Band filter, no tail... Zodiacal light interference]
2015 Oct. 03.38 UT: m1=12.2 CCD Dia.=2.7′... [T31] 0.50-m f/6.8 astrograph + CCD + focal reducer... A. Novichonok & T. Prystavski (iTelescope observatory, Q62 remotely from Siding Spring, Australia)
2015 Sep. 06.80 UT: m1=14.3, Dia.=0.4′, DC=3... 60.3-cm L (244x)... Sandor Szabo (Sopron, Hungary)
2015 Sep. 05.46 UT: m1=14.1 CCD, Dia.=1.3′... [T31] 0.50-m f/6.8 astrograph + CCD + focal reducer... A. Novichonok & T. Prystavski (iTelescope observatory, Q62 remotely from Siding Spring, Australia)
2015 Aug. 18.37 UT: m1=15.5 CCD, Dia.=0.8′... [T31] 0.50-m f/6.8 astrograph + CCD + focal reducer... A. Novichonok & T. Prystavski (iTelescope observatory, Q62 remotely from Siding Spring, Australia)
2015 July 18.89 UT: m1=16.2 CCD Dia.=0.2′... [T7] 0.43-m f/6.8 astrograph + CCD... A. Novichonok & T.Prystavski (AstroCamp Observatory, I89 remotely from Nerpio, Spain)
2015 July 08.48 UT: m1=17.7 CCD... [T31] 0.50-m f/6.8 astrograph + CCD + focal reducer... A. Novichonok & T. Prystavski (iTelescope observatory, Q62 remotely from Siding Spring, Australia)
2015 June 08.87 UT: m1=16.8 CCD... 0.7-m f/4.0 reflector + CCD... S. Nazarov & T. Prystavski (Crimean Astrophysical Observatory, MPC 095 Crimea-Nauchnij) 2015 June 04.89 UT: m1=16.7 CCD... [T16] 0.15-m f/7.3 refractor + CCD... A. Novichonok & T. Prystavski (AstroCamp Observatory, I89 remotely from Nerpio, Spain) 2015 May 12.99 UT: m1=15.7 CCD + R filter, Dia.=10″, DC=8S... 70-cm f/4 L + CCD... Alexander Baransky (Kyiv comet station MPC 585, Ukraine) [Star-like coma] 2015 May 06.02 UT: m1=15.3 CCD + R filter, Dia.=9″, DC=8S... 70-cm f/4 L + CCD... Alexander Baransky (Kyiv comet station MPC 585, Ukraine) 2015 Apr. 22.03 UT: m1=16.4 CCD + R filter, Dia.=11″, DC 6... 70-cm f/4 L + CCD... Alexander Baransky (Kyiv comet station MPC 585, Ukraine) 2015 Apr. 21.83 UT: m1=16.8 CCD... 0.7-m f/4.0 reflector + CCD... S. Nazarov & T. Prystavski (Crimean Astrophysical Observatory, MPC 095 Crimea-Nauchnij) 2015 Apr. 17.48 UT: m1=16.7: CCD... [T21]0.43-m f/6.8 astrograph + CCD + f/4.5 focal reducer... A. Novichonok & T.Prystavski (iTelescope observatory, H06 remotely Mayhill, U.S.A.) [Morning twilight] 2015 Apr. 11.03 UT: m1=16.4 CCD + R filter, Dia.=9″, DC 7, Tail= 18″ in PA: 247-39 deg ... 70-cm f/4 L + CCD... Alexander Baransky (Kyiv comet station MPC 585, Ukraine) 2015 Apr. 10.00 UT: m1=17.4 CCD... 0.7-m f/4.0 reflector + CCD... S. Nazarov & T. Prystavski (Crimean Astrophysical Observatory, MPC 095 Crimea-Nauchnij) 2010 Dec. 04.43 UT: m1=12.8, Dia.=1.8′... 40-cm L f:4 (144x)... Seiichi Yoshida (Kita-karuizawa, Gunma, Japan) 2010 Dec. 04.06 UT: m1=11.1, Dia.=5′, DC=2, no tail... 20-cm SC(50x)... Carlos Labordena (Castellón, España) 2010 Nov. 28.83 UT: m1=10.7, Dia.=6′, DC=2... 20-cm SCT (77x)... Juan José González (Aralla, alt. 1440 m., León, España) [bajo Estrella de mag. 12.1 (Tycho-2) dentro de la coma] 2010 Nov. 25.44 UT: m1=12.4, Dia.=3′, DC=1... 25-cm L f:5 (39x)... Chris Wyatt (Walcha, NSW, Australia) [No tail, coma diffuse, visible using averted vision. Comp Star= GSC-5275-1761... Method= S... Cat= HS] 2010 Nov. 24.78 UT: m1=10.7, Dia.=7′, DC=2... 20-cm SCT (77x)... Juan José González (Aralla, alt. 1440 m., León, España) 2010 Nov. 12.125 UT: m1=11.1, Dia.=3′, DC=3, 22-cm L f:6.5 (160x)... Marco Goiato (Araçatuba, Brasil) 2010 Nov. 08.44 UT: m1=12.2, Dia.=5.5’, DC=2/3... 25-cm L f:5 (39x)... Chris Wyatt (Walcha, NSW, Australia) [Coma large, gradual concentration to centre, not condensed. Comp Star= GSC-5851-1163... Method= S... Cat= HS] 2010 Nov. 07.167 UT: m1=10.9, Dia.=3′, DC=3... 22-cm L f:6.5 (160x)... Marco Goiato (Araçatuba, Brasil) 2010 Nov. 03.042 UT: m1=10.6, Dia.=3′, DC=3... 22-cm L f:6.5 (60x)... Marco Goiato (Araçatuba, Brasil) 2010 Nov. 02.45 UT: m1=10.0, Dia.=7.7’, DC=3... 25-cm L f:5 (39x)... Chris Wyatt (Walcha, NSW, Australia) [Coma diffuse, elongated to NW, background star in coma. Comp Star= TYC 5851-321-1... Method= S... Cat= TJ] 2010 Oct. 28.052 UT: m1=10.4, Dia.=4′, DC=4... 22-cm L f:6.5 (160x)... Marco Goiato (Araçatuba, Brasil) 2010 Oct. 27.43 UT: m1=11.6, Dia.=3.5′, DC=2... 25-cm L f:5 (39x)... Chris Wyatt (Walcha, NSW, Australia) [No tail, close to bright star, coma observed with averted vision Comp Star= GSC-5851-0988... Method=S... Cat= HS] 2010 Oct. 18.11 UT: m1=9.6, Dia.=5′, DC=3... 20-cm SCT (77x)... Juan José González (Alto del Castro – Aralla, alt. 1720 m., León, España) 2010 Oct. 14.00 UT: m1=9.7, Dia.=5′, DC=3... 20-cm SCT (77x)... Juan José González (Pandorado, alt. 1720 m., León, España) 2010 Oct. 13.00 UT: m1=10.4, Dia.=2′, DC=3... 18-cm L (57x)... Alexandre Amorim (Florianopolis, Brazil) 2010 Oct. 08.50 UT: m1=9.1, Dia.=8′... 25×100 B... David A. J. Seargent, Cowra, NSW, Australia) 2010 Out. 06.125 UT: m1=9.7, Dia.=7′, DC=4... 22-cm L f:6.5 (60x)... Marco Goiato (Araçatuba, Brasil) 2010 Oct. 05.46 UT: m1=9.0, Dia.=5′... 25×100 B... David A. J. Seargent, Cowra, NSW, Australia) [Somewhat enhanced with Swan Band filter] 2010 Oct. 01.99 UT: m1=8.9, Dia.=10′, DC=2/... 20×110 B... José Carvajal (Madrid, España) 2010 Sep. 28.47 UT... m1=10.2, Dia.=6.4′, DC=3... 25-cm L f:5 (39x)... Chris Wyatt (Walcha, NSW, Australia) [Coma elongated to the West, broad, slightly fan shaped. Bright inner coma with gradually fading outer coma.Comp Star= TYC 5854-810-1... Method= S... Cat= TJ] 2010 Sep. 20.17 UT: m1=8.5, Dia.=10′, DC=3/... 25×100 B... Juan José González (Aralla, alt. 1440 m., León, España) 2010 Sep. 18.93 UT: m1=8.8, Dia.=8′, DC=3, no tail... 11×80 B... Carlos Labordena (Castellón, España) 2010 Sep. 15.01 UT: m1=8.6, Dia.=10′, DC=3... 25×100 B... Juan José González (Aralla, alt. 1440 m., León, España) 2010 Sep. 12.229 UT: m1=9.6, Dia.=6′, DC=4, 22-cm L f:6.5 (60x)... Marco Goiato (Araçatuba, Brasil)... 2010 Sep. 11.36 UT: m1=9.6 CCD, Dia.=0.6′... 21-cm L +CCD... Artyom Novichonok (remotely Mayhill, U.S.A.) 2010 Sep. 11.04 UT: m1=9.5, Dia.=5′, DC=3, no tail... 23.5-cm SCT (67x)... Carlos Labordena (Castellón, España) 2010 Sep. 10.11 UT: m1=10.0, Dia.=2′, DC=4... 20×80 B... Alexandre Amorim (Florianopolis, Brazil) 2010 Sep. 10.07 UT: m1=8.7, Dia.=8′, DC=3/... 25×100 B... Juan José González (Alto del Castro – Aralla, alt. 1720 m., León, España) 2010 Sep. 09.09 UT: m1=10.2, Dia.=1′, DC=4... 18-cm L (57x)... Alexandre Amorim (Florianopolis, Brazil) 2010 Sep. 07.55 UT: m1=8.4, Dia.=13.5’, DC=3... 7×50 B... Chris Wyatt (Walcha, NSW, Australia) [No tail. Comp Star= TYC 5852-717-1... Method= S... Cat= TJ] 2010 Sep. 06.51 UT: m1=8.6, Dia.=16’, DC=1/... 7×50 B... Chris Wyatt (Walcha, NSW, Australia) [No tail, coma diffuse. Comp Star= TYC 5279-1145-1... Method= S... Cat= TJ] 2010 Sep. 05.12 UT: m1=10.0, Dia.=1′, DC=4... 18-cm L (57x)... Alexandre Amorim (Florianopolis, Brazil) 2010 Sep. 05.06 UT: m1=8.8, Dia.=7′, DC=4... 25×100 B... Juan José González (Alto del Castro – Aralla, alt. 1720 m., León, España) 2010 Sep. 03.99 UT: m1=9.2, Dia.=5′, DC=3, no tail... 23.5-cm SCT(67x)... Carlos Labordena (Castellón, España) 2010 Sep. 02.53 UT: m1=8.6, Dia.= 8’, DC=2/... 7×50 B... Chris Wyatt (Walcha, NSW, Australia) No tail. Comp Star= TYC 5855-1492-1... Method= S... Cat= TJ] 2010 Sep. 02.145 UT: m1=9.4, Dia.=6′, DC=4... 22-cm L f:6.5 (60x)... Marco Goiato (Araçatuba, Brasil) 2010 Aug. 21.17 UT: m1=8.7, Dia.=4′, DC=4... 20×80 B... Alexandre Amorim (Florianopolis, Brazil) [moonlight] 2010 Aug. 20.16 UT: m1=8.7, Dia.=6′, DC=4... 20-cm SCT (77x)... Juan José González (Pandorado, alt. 1190 m., León, España) [Coma asimétrica] 2010 Aug. 18.36 UT: m1=8.4, Dia.=5′, DC=3... 20×80 B... Alexandre Amorim (Florianopolis, Brazil) 2010 Aug. 16.167 UT: m1=8.5, Dia.=7′, DC=4... 20×100 B... Marco Goiato (Araçatuba, Brasil) 2010 Aug. 12.53 UT: m1=8.8, Dia.=9′... 25×100 B... David A. J. Seargent (Cowra, NSW, Australia) 2010 Aug. 12.09 UT: m1=10.6 CCD, Dia.=3.1′, DC=6... 25-cm L +CCD +Rc filter... Toni Scarmato (Calabria, Italia) 2010 Aug. 08.55 UT: m1=8.7... 25×100 B... David A. J. Seargent (The Entrance, NSW, Australia) 2010 Aug. 08.08 UT: m1=8.7, Dia.=6′, DC=4, no tail... 11×80 B... Carlos Labordena (Castellón, España) 2010 Aug. 07.74 UT: m1=8.7, Dia.=8.5′, DC=6... 40.0-cm L f/4.5 (36x)... Seiichi Yoshida (Gunma, Japan) [See it again since 1999. Now it is very bright, much brighter than my last observations in 1999! Very wide, but well condensed] 2010 Aug. 07.167 UT: m1=8.4, Dia.=8′, DC=4... 20×100 B... Marco Goiato (Araçatuba, Brasil) 2010 Aug. 07.05 UT: m1=8.6, Dia.=8′, DC=4... 8-cm R f:6 (12x)... José Carvajal (Madrid, España) [Coma is 35′ long and 25′ wide, elongated towards PA 110 deg .] 2010 Aug. 07.04 UT: m1=8.7, Dia.=8′, DC=4... 20-cm SCT (77x)... Juan José González (Alto del Castro – Aralla, alt. 1720 m., León, España) [Coma asimétrica] 2010 Aug. 06.166 UT: m1=8.4, Dia.=8′, DC=4... 20×100 B... Marco Goiato (Araçatuba, Brasil) 2010 Aug. 04.54 UT: m1=8.7, Dia.=11’, DC=5... 25-cm L f:5 (39x)... Chris Wyatt (Walcha, NSW, Australia) [Coma large, broad fan-shaped elongation to the North, coma enhances well with Swan band filter. Comp Star= TYC 5273-708-1... Method= S... Cat= TJ] 2010 July 21.02 UT: m1=10.7 CCD, Dia.=2.6′, DC=6... 25-cm L +CCD +Rc filter... Toni Scarmato (Calabria, Italia) 2010 July 18.229 UT: m1=8.5, Dia.=8′, DC=3/... 20×100 B... Marco Goiato (Araçatuba, Brasil) 2010 July 18.12 UT: m1=8.6, Dia.=8′, DC=3/... 25×100 B... Juan José González (Alto del Castro – Aralla, alt. 1720 m., León, España) [Coma asimétrica] 2010 July 17.58 UT: m1=8.7, Dia.=8′... 25×100 B... David A. J. Seargent (Cowra, NSW, Australia) [Comet more easily visible through Swan band filter] 2010 July 17.145 UT: m1=8.5, Dia.=8′, DC=3/... 20×100 B... Marco Goiato (Araçatuba, Brasil) 2010 July 15.15 UT: m1=8.6:, Dia.=4′, DC=2... 20×80 B... Alexandre Amorim (Florianopolis, Brazil) [alt. 23 deg rees] 2010 July 14.89 UT: m1=9.8, Dia.=5′, DC=2... 25.4-cm L... Vyacheslav Ivanov (70 km from Saratov, near Peschanka, Russia) 2010 July 14.20 UT: m1=8.6, Dia.=6′, DC=4... 20×80 B... Alexandre Amorim (Florianopolis, Brazil) 2010 July 13.90 UT: m1=9.5, Dia.=5′, DC=2... 20-cm L... Vyacheslav Ivanov (70 km from Saratov, near Peschanka, Russia) 2010 July 10.11 UT: m1=8.2, Dia.=8′, DC=3/... 25×100 B... Juan José González (Alto del Castro – Aralla, alt. 1720 m., León, España) 2010 July 10.08 UT: m1=9.3 CCD, Dia.=2.6′, DC=6... 25-cm L +CCD +Rc filter... Toni Scarmato (Calabria, Italia) 2010 July 09.292 UT: m1=8.6, Dia.=8′, DC=3... 20×100 B... Marco Goiato (Araçatuba, Brasil) 2010 July 06.18 UT: m1=9.7:... 18-cm L (57x)... Alexandre Amorim (Florianopolis, Brazil) 2010 July 05.28 UT: m1=9.4, Dia.=3′, DC=3... 18-cm L (57x)... Alexandre Amorim (Florianopolis, Brazil) 2010 July 05.031 UT: m1=8.7, Dia.=8′, DC=3... 20×100 B... Marco Goiato (Araçatuba, Brasil) 2010 June 22.07 UT: m1=8.8, Dia.=8′, DC=3... 25×100 B... Juan José González (Alto del Castro – Aralla, alt. 1720 m., León, España) [Coma asimétrica] 2010 June 19.291 UT: m1=9.2, Dia.=8′, DC=2... 20×100 B... Marco Goiato (Araçatuba, Brasil) 2010 June 19.281 UT: m1=9.3, Dia.=8′, DC=3... 22-cm L f:6.5 (60x)... Marco Goiato (Araçatuba, Brasil) [melhora significativa com filtro de cometa] 2010 June 18.08 UT: m1=9.1, Dia.=7′, DC=3... 20-cm SCT (77x)... Juan José González (Alto del Castro – Aralla, alt. 1720 m., León, España) [Coma asimétrica] 2010 June 17.08 UT: m1=9.8, Dia.=6′, DC=3, no tail... 20-cm SCT (50x)... Carlos Labordena (Castellón, España) 2010 June 15.4361: m1=10.5, Dia.=6´, DC=3, tail: not visible... 15-cm SCT (37x)... Salvador Aguirre (Hermosillo, Sonora, Mexico) 2010 June 14.333 UT: m1=9.4, Dia.=8′, DC=3... 20×100 B... Marco Goiato (Araçatuba, Brasil) 2010 June 12.333 UT: m1=9.9, Dia.=6′, DC=3... 22-cm L f:6.5 (60x)... Marco Goiato (Araçatuba, Brasil) 2010 June 11.4181 UT: m1=10.5, Dia.=6´, DC=3, tail: not visible... 15-cm SCT (37x)... Salvador Aguirre (Hermosillo, Sonora, Mexico) 2010 June 11.08 UT: m1=10.3, Dia.=4′, DC=4, no tail... 20-cm SCT (50x)... Carlos Labordena (Castellón, España) 2010 June 09.35 UT: m1=9.9, Dia.=3′, DC=4... 18-cm L (57x)... Alexandre Amorim (Florianopolis, Brazil) 2010 June 08.35 UT: m1=10.0, Dia.=3′, DC=3... 18-cm L (57x)... Alexandre Amorim (Florianopolis, Brazil) 2010 June 08.07 UT: m1=11.9 CCD, Dia.=2.3′, DC=5... 25-cm L +CCD +Rc filter... Toni Scarmato (Calabria, Italia) 2010 June 07.36 UT: m1=10.1, Dia.=2′, DC=2... 18-cm L (57x)... Alexandre Amorim (Florianopolis, Brazil) 2010 June 06.187 UT: m1=10.3, Dia.=5′, DC=2/... 22-cm L f:6.5 (60x)... Marco Goiato (Araçatuba, Brasil) 2010 May 23.333 UT: m1=10.9, Dia.=4′, DC=2... 22-cm L f:6.5 (160x)... Marco Goiato (Araçatuba, Brasil) 2010 May 23.11 UT: m1=11.4, Dia.=1.5′, DC=2, no tail... 23.5-cm SCT (94x)... Carlos Labordena (Castellón, España) 2010 May 22.333 UT: m1=11.1, Dia.=3′, DC=2/... 22-cm L f:6.5 (160x)... Marco Goiato (Araçatuba, Brasil) 2010 May 17.11 UT: m1=11.8, Dia.=1.5′, DC=3... 20-cm SCT (160x)... Juan José González (Cueto Rosales – Riello, alt. 1420 m., León, España) 2010 May 14.312 UT: m1=12.4:, Dia.=1.5′, DC=3... 22-cm L f:6.5 (160x)... Marco Goiato (Araçatuba, Brasil) [cometa entre 2 estrelas de m1= 5.98 e 6.81] 2010 May 13.76 UT: m1=10.5, Dia.=7.7’, DC=1/... 25-cm L f:5 (39x)... Chris Wyatt (Walcha, NSW, Australia) [No tail, coma large and diffuse, even brightness, no central condensation with direct vision, hint of broad central condensation using averted vision. Comp Star= TYC 5777-891-1... Method= S... Cat= TJ] 2010 May 11.79 UT: m1=12.2, Dia.=3’, DC=2/... 25-cm L f:5 (83x)... Chris Wyatt (Walcha, NSW, Australia) [Coma large and diffuse. Comp Star= GSC-5776-034? Method= S. Cat= HS] 2010 May 10.74 UT: m1=13.3, Dia.=0.7’, DC=1/... 25-cm L f:5 (83x)... Chris Wyatt (Walcha, NSW, Australia) [No tail, faint and diffuse, averted vision. Comp Star= GSC-5776-0171 Method= S. Cat= HS] 2010 Apr. 23.65 UT: m1=13.8, Dia.=0.7’, DC=1... 25-cm L f:5 (83x)... Chris Wyatt (Walcha, NSW, Australia) [Coma faint and diffuse, even brightness, no tail, averted vision. Comp Star= GSC-5745-0018 Method= S Cat= HS] 2010 Apr. 22.74 UT: m1=14.4, Dia.=0.5’, DC=1... 25-cm L f:5 (83x)... Chris Wyatt (Walcha, NSW, Australia) [Coma very small and diffuse, visible using averted vision. Comp Star= GSC-5749-0219 Method= S Cat= HS] 2003 Mar. 07.45 UT: m1=19.3 CCD... 1.2-m Schmidt + CCD... (c) R. Bambery, E. Helin, S. Pravdo, M. Hicks, K. Lawrence, R. Thicksten, T.Prystavski (Near-Earth Asteroid Tracking NEAT, MPC 644) 2002 Feb. 05.26 UT: m1=18.6 CCD, Dia.=0.2′... 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) 2000 Jan. 05.79 UT: m1=13.8, Dia.=0.75', DC=3 ... 25-cm L (133x) ... C. Segarra (Algimia, Spain) 1999 Dec. 28.52 UT: m1=[13.0 ... 20-cm L (158x) ... Michael Mattiazzo (Wallaroo, South Australia) 1999 Dec. 06.82 UT: m1=11.4, Dia.=2.5', DC=2 ... 45-cm L (100x) ... J. Carvajal (Avila, Spain) 1999 Dec. 06.82 UT: m1=11.7, Dia.=1', DC=2 ... 45-cm L (100x) ... J. M. San Juan (Avila, Spain) 1999 Dec. 05.79 UT: m1=12.1, Dia.=1', DC=3 ... 25-cm L (60x) ... .C. Segarra (Algimia, Spain) 1999 Dec. 05.51 UT: m1=12.8:, Dia.=2', DC=1 ... 20-cm L (158x) ... Michael Mattiazzo (Wallaroo, South Australia) 1999 Nov. 29.24 UT: m1=11.8, Dia.=2', DC=3 ... 25.6-cm L (42x) ... Nicolas Biver (Mokuleia, Oahu, HI) 1999 Nov. 27.73 UT: m1=13.5, Dia.=0.7', DC=2 ... 44-cm L (156x) ... Werner Hasubick (Buchloe, Germany) 1999 Nov. 11.51 UT: m1=11.4, Dia.=2', DC=6 ... 20-cm L (45x) ... Michael Mattiazzo (Wallaroo, South Australia) [tonight, the comet appears to contain a well condensed, nearly stellar nucleus indicating a possible outburst ] 1999 Nov. 09.53 UT: m1=12.2, Dia.=1.5', DC=2 ... 41-cm L (90x) ... Andrew Pearce (Nedlands, Western Australia) 1999 Nov. 08.84 UT: m1=10.9, Dia.=2.5', DC=3/ ... 32-cm L (126x) ... J. Carvajal (Avila, Spain) 1999 Nov. 07.02 UT: m1=12.0, Dia.=2', DC=3 ... 45-cm L (195x) ... Tom Johnston (Views Brothers Observatory, Boulder, CO) [Very low in southern sky] 1999 Nov. 03.55 UT: m1=11.8, Dia.=1.8', DC=2 ... 41-cm L (90x) ... Andrew Pearce (Nedlands, Western Australia) 1999 Nov. 02.51 UT: m1=11.8, Dia.=1.8', DC=2 ... 41-cm L (90x) ... Andrew Pearce (Nedlands, Western Australia) 1999 Nov. 02.45 UT: m1=11.9, Dia.=1', DC=2 ... 20.3-cm L 56x ... Paul Camilleri (Cobram, Victoria, Australia) 1999 Nov. 02.25 UT: m1=10.8, Dia.=3', DC=3 ... 25.6-cm L (42x) ... Nicolas Biver (Dillingham, Oahu, HI) 1999 Nov. 01.55 UT: m1=11.5, Dia.=2', DC=2 ... 20-cm L (45x) ... Michael Mattiazzo (Wallaroo, South Australia) 1999 Nov. 01.53 UT: m1=11.5, Dia.=1.5', DC=3 ... 41-cm L (90x) ... Andrew Pearce (Nedlands, Western Australia) 1999 Oct. 31.44 UT: m1=11.8, Dia.=1', DC=2 ... 20.3-cm L 56x ... Paul Camilleri (Cobram, Victoria, Australia) 1999 Oct. 28.50 UT: m1=11.2, Dia.=2', DC=3 ... 20-cm L (45x) ... Michael Mattiazzo (Wallaroo, South Australia) 1999 Oct. 27.46 UT: m1=10.7, Dia.=3', DC=4 ... 20-cm L (45x) ... Michael Mattiazzo (Wallaroo, South Australia) [in close proximity to 12th mag stars] 1999 Oct. 26.51 UT: m1=11.3, Dia.=1.5', DC=2 ... 41-cm L (90x) ... Andrew Pearce (Nedlands, Western Australia) 1999 Oct. 13.27 UT: m1=10.3, Dia.=3', DC=3 ... 10x50 B ... Mike Linnolt (Haleakala, Maui, HI) [Surprisingly brighter than expected. Easily visible compared to prior observation Oct.  10.25, however this obs. made from 10,000ft compared to 7,000ft on Oct.  10] 1999 Oct. 10.58 UT: m1=10.9, Dia.=2.3', DC=3 ... 41-cm L (90x) ... Andrew Pearce (Nedlands, Western Australia) 1999 Oct. 10.25 UT: m1=10.7, Dia.=2':, DC=3 ... 10x50 B ... Mike Linnolt (Haleakala, Maui, HI) [Barely visible at limiting magnitude.] 1999 Oct. 10.24 UT: m1=10.4, Dia.=3.5', DC=3 ... 25.6-cm L (42x)  ...  Nicolas Biver (Dillingham, Oahu, HI) 1999 Oct. 09.62 UT: m1=10.8, Dia.=2.2', DC=2/ ... 41-cm L (90x) ... Andrew Pearce (Nedlands, Western Australia) 1999 Oct. 07.46 UT: m1=10.5, Dia.=3.0',DC=4 ... 20-cm L (45x) ... Michael Mattiazzo (Wallaroo, South Australia) 1999 Oct. 06.25 UT: m1=10.5, Dia.=2', DC=3 ... 10x50 B ... Mike Linnolt (Haleakala, Maui, HI) 1999 Oct. 04.57 UT: m1=10.8, Dia.=1.8', DC=2 ... 41-cm L (90x) ... Andrew Pearce (Nedlands, Western Australia) 1999 Oct. 03.51 UT: m1=10.7, Dia.=2.3', DC=2 ... 41-cm L (90x) ... Andrew Pearce (Nedlands, Western Australia) 1999 Oct. 03.37 UT: m1=10.8, Dia.=2.5', DC=4 ... 25.4-cm L (44x) ... Mike Linnolt (Dillingham, Oahu, HI) 1999 Oct. 02.52 UT: m1=10.6, Dia.=2.2', DC=3 ... 41-cm L (90x) ... Andrew Pearce (Nedlands, Western Australia) 1999 Oct. 01.58 UT: m1=10.6, Dia.=2.0', DC=2/ ... 41-cm L (90x) ... Andrew Pearce (Nedlands, Western Australia) 1999 Sep. 29.53 UT: m1=10.8, Dia.=2.0', DC=3 ... 41-cm L (90x) ... Andrew Pearce (Nedlands, Western Australia) 1999 Sep. 29.24 UT: m1=10.2, Dia.=1.5', DC=3 ... 10x50 B ... Mike Linnolt (Haleakala, Maui, HI) 1999 Sep. 17.55 UT: m1=11.0, Dia.=1.2', DC=2 ... 41-cm L (90x) ... Andrew Pearce (Nedlands, Western Australia) [The sky was fairly bright due to moonlight, so much of the outer coma probably was not visible.] 1999 Sep. 15.52 UT: m1=10.3, Dia.=2.1', DC=2 ... 41-cm L (90x) ... Andrew Pearce (Nedlands, Western Australia) 1999 Sep. 13.55 UT: m1=10.5, Dia.=2.5',DC=3 ... 20-cm L (45x) ... Michael Mattiazzo (Wallaroo, South Australia) [milky way interference] 1999 Sep. 12.88 UT: m1=9.8, Dia.=5', DC=3 ... 20-cm L(80x) ... Toni Scarmato (S. Costantino di Briatico - Calabria, Italy) [diffuse comet in ligth pollution] 1999 Sep. 12.53 UT: m1=10.6, Dia.=2.0', DC=2/ ... 41-cm L (90x) ... Andrew Pearce (Nedlands, Western Australia) 1999 Sep. 12.23 UT: m1=9.2, Dia.=~4', DC=1 ... 51-cm L (79x) ... Charles Morris (Lockwood Valley, CA) [The comet was much brighter and more obvious than I expected.] 1999 Sep. 12.08 UT: m1=10.8, Dia.=5', DC=3 ... 32-cm L (75x) ... Phillip J. Creed (Spruce Knob, WV) [background stars made estimate difficult ... no tail seen, but the coma was highly elongated] 1999 Sep. 12.04 UT: m1=9.9, Dia.=~2.5', DC=2 ... 41-cm L (70x) ... J. Bortle (Stormville, NY) [Very diffuse, ill-defined, faint object, seen against the bright background of the milky way, and involved with several very faint stars] 1999 Sep. 08.58 UT: m1=11.1, Dia.=1.2', DC=2 ... 41-cm L (90x) ... Andrew Pearce (Dowerin, Western Australia) [It's difficult to observe this comet clear of Milky Way stars at the moment! Tonight it's very close to a 10.5 mag star which May  have affected coma diameter estimate.] 1999 Sep. 07.60 UT: m1=10.8, Dia.=2.0', DC=3 ... 41-cm L (90x) ... Andrew Pearce (Nedlands, Western Australia) 1999 Sep. 05.83 UT: m1=9.4, Dia.=2.0', DC=3 ... 25x100 B ... Werner Hasubick (Buchloe, Germany) 1999 Sep. 06.60 UT: m1=11.1, Dia.=1.0', DC=4 ... 41-cm L (90x) ... Andrew Pearce (Nedlands, Western Australia) [Comet located quite close to mag 10.1 star which May  have affected coma diameter estimate. However the comet seems to be fading very rapidly. It could be that I was only observing the central regions of the coma and the outer coma was of such a low surface brightness that it was not visible above the Milky Way background. This comet does not seem to be displaying the same levels of brightness and activity at this return (even though it is very favourably placed for us southern observers) than at the previous favourable return in 1983.] 1999 Sep. 06.46 UT: m1=10.3, Dia.=3', DC=3 ... 20-cm L (45x) ... Michael Mattiazzo (Wallaroo, South Australia) [under optimum conditions, the comet was observed at zenith in a dark patch of milky way] 1999 Sep. 04.91 UT: m1=10.3, Dia.=2', DC=2 ... 10-cm R (77x) ... J. Carvajal (Avila, Spain) 1999 Sep. 04.49 UT: m1=10.5, Dia.=3', DC=4 ... 37x100 B ... Katsumi Yoshimoto (Yamaguchi, Japan) 1998 Mar. 24.46 UT: m1=18.6 CCD... 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)