81P/Wild 2

81P/Wild 2
Reported observations:
2016 July 31.37 UT: m1=11.1, Dia.=2.6’, DC=2/ ... 25-cm L f:5 (39x)... Chris Wyatt (Walcha, NSW, Australia) [Coma diffuse, slight brightening to centre, weakly condensed. Does not enhance in Swan Band filter. No tail. Zodiacal light interference. Low altitude = 12.9°]
2016 July 28.35 UT: m1=11.2, Dia.=3.7’, DC=2/ ... 25-cm L f:5 (39x)... Chris Wyatt (Walcha, NSW, Australia) [Outer coma transparent and diffuse, slight brightening to centre. Low altitude = 17.5°, zodiacal light interference]
2016 July 25.35 UT: m1=10.9, Dia.=2.5’, DC=3 ... 25-cm L f:5 (39x)... Chris Wyatt (Walcha, NSW, Australia) [Coma enhances slight using Swan Band filter. No tail. Coma diffuse with slight brightening to centre. Low altitude = 17.9°... Zodiacal light interference]
2016 July 23.35 UT: m1=11.3, Dia.=2.7’, DC=3 ... 25-cm L f:5 (39x)... Chris Wyatt (Walcha, NSW, Australia) [Coma very diffuse with slightly brighter central condensation but weakly condensed. Enhances slightly in Swan Band filter. Low altitude = 17.7°. zodiacal light interference. Very windy conditions]
2016 July 02.91 UT: m1=8.1, Dia.=9′, DC=2 ... 20-cm SCT (77x)... Juan José González (Alto del Castro – Aralla, alt. 1720 m, León, España) [Crepúsculo astronómico. Muy baja altura sobre el horizonte : 6º. Estrellas de comparación a la misma altura que el cometa. Cielo muy claro de montaña]
2016 July 02.35 UT: m1=11.2, Dia.=2’, DC=3 ... 25-cm L f:5 (39x)... Chris Wyatt (Walcha, NSW, Australia) [Inner coma enhances in Swan Band filter. Coma slightly elongated to the East. Outer coma diffuse, brightening to an opaque and moderately condensed centre, pale aqua-blue in colour. Slight interference by zodiacal light... Altitude = 19°. No tail]
2016 June 27.92 UT: m1=8.2, Dia.=8′, DC=2/ ... 20-cm SCT (77x)... Juan José González ( Alto del Castro – Aralla, alt. 1720 m, León, España) [Crepúsculo astronómico. Muy baja altura sobre el horizonte : 6º. Estrellas de comparación a la misma altura que el cometa. Cielo muy claro de montaña]
2016 June 04.92 UT: m1=11.1, Dia.=4′, DC=2, no tail... 20-cm SCT (80x)... Carlos Labordena (Castellón, España)
2016 May  31.92 UT: m1=10.2, Dia.=6′, DC=2 ... 20-cm SCT (77x)... Juan José González (Alto del Castro – Aralla, alt. 1720 m, León, España)
2016 May  06.37 UT: m1=12.0, Dia.=1.2′, DC=3 ... 40.6-cm L (165x)... Paul Camilleri (Warners Bay, Australia)
2016 May  04.49 UT: m1=12.0, Dia.=1.0′, DC=3 ... 40.0-cm L f/4.5 (144x)... Seiichi Yoshida (Gunma, Japan)
2016 May  04.37 UT: m1=12.1, Dia.=1.4’, DC=4 ... 25-cm L f:5 (83x)... Chris Wyatt (Walcha, NSW, Australia) [Coma shows brightening to centre, moderately condensed. Outer coma transparent, close to mag 13.3 star. Does not enhance in Swan Band filter. No tail. Faintly visible at x39. Slight interference by zodiacal light]
2016 May  03.78 UT: m1=13.0 CCD, Dia.=1′, DC=4 ... 20-cm L+CCD... Danil Sidorko (Korenovsk, Russia)
2016 May  02.86 UT: m1=12.0, Dia.=1.3′, DC=1 ... 30.5-cm L f/4.9 (120x)... J. P. Navarro Pina (Mula, Murcia, Spain)
2016 May  02.46 UT: m1=11.6, Dia.=1.9′, DC=2/ ... 40.0-cm L f/4.5 (144x)... Seiichi Yoshida (Gunma, Japan)
2016 May  01.50 UT: m1=11.9, Dia.=1.2′, DC=3 ... 40.0-cm L f/4.5 (144x)... Seiichi Yoshida (Gunma, Japan)
2016 Apr. 29.76 UT: m1=12.1, Dia.=1.4′, DC=3/ ... 25.5-cm L (120x)... Danil Sidorko (Korenovsk, Russia)
2016 Apr. 29.75 UT: m1=12.3, Dia.=1.7′, DC=5 ... 40.0-cm L (138x)... Sandor Szabo (Hakos, Namibia)
2016 Apr. 28.80 UT: m1=13.3 CCD, Dia.=0.46′, DC=7 ... 15-cm L+CCD... Sergey Shurpakov (Baran’, Belarus)
2016 Apr. 28.76 UT: m1=12.2, Dia.=1.5′, DC=3/ ... 25.5-cm L (120x)... Danil Sidorko (Korenovsk, Russia)
2016 Apr. 23.81 UT: m1=13.4 CCD, Dia.=0.56′, DC=7 ... 15-cm L... Sergey Shurpakov (Baran’, Belarus)
2016 Apr. 16.78 UT: m1=13.8 CCD, Dia.=0.37′, DC=8 ... 15-cm L... Sergey Shurpakov (Baran’, Belarus)
2016 Apr. 09.52 UT: m1=11.7, Dia.=1.3′, DC=2 ... 40.0-cm L f/4.5 (144x)... Seiichi Yoshida (Ibaraki, Japan)
2016 Mar. 31.39 UT: m1=12.5, Dia.=1.3’, DC=2/ ... 25-cm L f:5 (83x)... Chris Wyatt (Walcha, NSW, Australia) [Coma diffuse, slight brightening to centre, faint background stars in coma. Does not enhance in Swan Band filter]
2016 Mar. 22.46 UT: m1=[12.5... 40.0-cm L f/4.5 (257x)... Seiichi Yoshida (Ibaraki, Japan)
2016 Mar. 20.80 UT: m1=13.2 DSLR, Dia.=1′ ... 1100d+300-mm lens... Giuseppe Pappa (Sicily, Italy)
2016 Mar. 09.91 UT: m1=12.1, Dia.=1.0′, DC=3 ... 30.5-cm L f/4.9 (97x)... J. P. Navarro Pina (El Ardal Mula, Murcia, Spain)
2016 Mar. 03.46 UT: m1=13.0, Dia.=0.7′, DC=3 ... 40.6-cm L f/4 (260x)... Paul Camilleri (Warners Bay, Australia)
2016 Feb. 29.86 UT: m1=12.7, Dia.=1.1′, DC=5 ... 20-cm SCT (100x)... Juan José González (Pandorado, alt. 1190 m, León, España) [Estrellas de comparación de la fotometría APASS cercana al cometa. Estrellas de campo comprobadas en el DSS]
2016 Feb. 29.45 UT: m1=13.3, Dia.=0.8’, DC=3 ... 25-cm L f:5 (83x)... Chris Wyatt (Walcha, NSW, Australia) [Circular coma, very diffuse with an opaque centre fading to semi-transparent outer edges... slight interference by zodiacal light. No tail. Close to mag 13.3 star 0.6’ away in P.A. 020° does not enhance in Swan Band filter]
2016 Jan. 30.46 UT: m1=13.8, Dia.=1’, DC=3 ... 25-cm L f:5 (83x)... Chris Wyatt (Walcha, NSW, Australia) [Does not enhance in Swan Band filter, coma small and very diffuse with slight brightening to centre, no tail]
2016 Jan. 29.82 UT: m1=13.6, Dia.=0.6′, DC=6 ... 60.3-cm L (188x)... Sandor Szabo (Sieggraben, Austria)
2016 Jan. 08.76 UT: m1=12.5 DSLR, Dia.=1.5′ ... 1100d+300-mm lens... Giuseppe Pappa (Sicily, Italy)
2015 Dec. 30.49 UT: m1=13.6, Dia.=0.6’, DC=1/ ... 25-cm L f:5 (83x)... Chris Wyatt (Walcha, NSW, Australia) [Difficult due to proximity of bright stars, diffuse coma, slight brightening to centre, no tail]
2015 Dec. 29.47 UT: m1=13.2, Dia.=0.5’, DC=1 ... 25-cm L f:5 (166x)... Chris Wyatt (Walcha, NSW, Australia) [Coma very diffuse, difficult, no tail. Visible at x83 but hard to make measurements]
2010 Sep. 10.43 UT: m1=13.7, Dia.=1.1′ ... 18-cm reflector + CCD... Artyom Novichonok & Dimitry Chestnov (remotely Moorook, S. Australia)
2010 Aug. 07.86 UT: m1=12.1, Dia.=1′, DC=3, no tail... 23.5-cm SCT (138x)... Carlos Labordena (Castellón, España)
2010 Aug. 06.90 UT: m1=12.2, Dia.=1.2′, DC=3 ... 20-cm SCT (100x)... Juan José González (Alto del Castro – Aralla, alt. 1720 m., León, España)
2010 Aug. 04.36 UT: m1= 12.7, Dia= 5.1’, DC=3 ... 25-cm L f:5 (39x)... Chris Wyatt (Walcha, NSW, Australia) [no tail, coma small and diffuse with gradual brightening to centre. Comp Star= GSC-5592-0864 Method= S, Cat= HS]
2010 July 31.958 UT: m1=12.6, Dia.=1.5′, DC=4 ... 22-cm L f:6.5 (160x)... Marco Goiato (Araçatuba, Brasil)
2010 July 10.56 UT: m1=12.1, Dia.=2.4′ ... 15-cm refractor + CCD... Artyom Novichonok & Dimitry Chestnov ( remotely Moorook, S. Australia )
2010 July 04.98 UT: m1=11.8, Dia.=2.5′, DC=3 ... 20-cm SCT (160x)... Juan José González (Alto del Castro – Aralla, alt. 1720 m., León, España)
2010 July 14.94 UT: m1=[12.0... 18-cm L (160x) ... Alexandre Amorim (Florianopolis, Brazil)
2010 July 11.948 UT: m1=12.2, Dia.=1.5′, DC=4 ... 22-cm L f:6.5 (160x)... Marco Goiato (Araçatuba, Brasil)
2010 July 09.948 UT: m1=12.0, Dia.=2′, DC=3/ ... 22-cm L f:6.5 (160x)... Marco Goiato (Araçatuba, Brasil)
2010 July 01.958 UT: m1=11.7, Dia.=2′, DC=4 ... 22-cm L f:6.5 (160x)... Marco Goiato (Araçatuba, Brasil)
2010 June 17.84 UT: m1=11.6 CCD, Dia.=1.8′, DC=5 ... 25-cm L +CCD +Rc filter... Toni Scarmato (Calabria, Italia)
2010 June 16.021 UT: m1=11.4, Dia.=2.5′, DC=4 ... 22-cm L f:6.5 (160x)... Marco Goiato (Araçatuba, Brasil)
2010 June 15.52 UT: m1=13.1 CCD, Dia.=4.5′, DC=6/ ... 15-cm R f/7 +CCD... Sergey Shurpakov (Baran’, Belarus)
2010 June 15.19 UT: m1=13.2 CCD, Dia.=3.0′, DC=7/, Tail= 18′ in PA: 287 deg ... 36-cm L f/3.8 +CCD... Sergey Shurpakov (Baran’, Belarus)
2010 June 14.19 UT: m1=13.1 CCD, Dia.=3.2′, DC=7/, Tail= 16′ in PA: 286 deg ... 36-cm L f/3.8 +CCD... Sergey Shurpakov (Baran’, Belarus)
2010 June 12.000 UT: m1=11.0, Dia.=3′, DC=4 ... 22-cm L f:6.5 (160x)... Marco Goiato (Araçatuba, Brasil)
2010 June 11.90 UT: m1=10.9, Dia.=3′, DC=3, Tail= 5′ ... 23.5-cm SCT (67x)... Carlos Labordena (Castellón, España)
2010 June 09.062 UT: m1=10.8, Dia.=3′, DC=4 ... 22-cm L f:6.5 (160x)... Marco Goiato (Araçatuba, Brasil)
2010 June 07.83 UT: m1=11.2 CCD, Dia.=2.1′, DC=5 ... 25-cm L +CCD +Rc filter... Toni Scarmato (Calabria, Italia)
2010 June 06.98 UT: m1=11.0: ...18-cm L (57x)... Alexandre Amorim (Florianopolis, Brazil)
2010 June 06.01 UT: m1=11.0, Dia.=1′, DC=5 ... 18-cm L (57x)... Alexandre Amorim (Florianopolis, Brazil)
2010 June 05.958 UT: m1=10.5, Dia.=4′, DC=4/ ... 22-cm L f:6.5 (60x)... Marco Goiato (Araçatuba, Brasil)
2010 June 03.98 UT: m1=10.1, Dia.=4′, DC=3/ ... 20-cm SCT (77x)... Juan José González (Alto del Trichero – Soto y Amío, alt. 1190 m., León, España)
2010 June 01.000 UT: m1=10.5, Dia.=4′, DC=4 ... 22-cm L f:6.5 (60x)... Marco Goiato (Araçatuba, Brasil)
2010 May  29.937 UT: m1=10.6, Dia.=3′, DC=4 ... 22-cm L f:6.5 (160x)... Marco Goiato (Araçatuba, Brasil)
2010 May  22.07 UT: m1=9.7, Dia.=4.5′, DC=4/, Tail= 0.1 deg in PA 300 deg ... 20-cm SCT (77x)... Juan José González (Alto del Castro – Aralla, alt. 1720 m., León, España)
2010 May  21.146 UT: m1=10.4, Dia.=3′, DC=4 ... 22-cm L f:6.5 (60x)... Marco Goiato (Araçatuba, Brasil)
2010 May  20.00 UT: m1=10.2: ... 20×80 B... Alexandre Amorim (Florianopolis, Brazil)
2010 May  19.57 UT: m1=9.6, Dia.=6′ ... 25×100 B... David A. J. Seargent (Cowra, NSW, Australia)
2010 May  18.52 UT: m1=9.7 ... 25×100 B... David A. J. Seargent (Cowra, NSW, Australia)
2010 May  17.083 UT: m1=10.2, Dia.=3′, DC=4/... 22-cm L f:6.5 (60x)... Marco Goiato (Araçatuba, Brasil)
2010 May  17.00 UT: m1=9.6, Dia.=4.5′, DC=4/, Tail= 0.2º in PA: 300º... 20-cm SCT (77x)... Juan José González (Cueto Rosales – Riello, alt. 1420 m., León, España)
2010 May  16.17 UT: m1=10.0, Dia.=1′, DC=3 ... 18-cm L (60x)... Alexandre Amorim (Florianopolis, Brazil)
2010 May  15.91 UT: m1=9.6, Dia.=4′, DC=4, tail= 5′... 23.5-cm SCT (67x)... Carlos Labordena (Castellón, España)
2010 May  15.51 UT: m1=9.7 ... 25×100 B... David A. J. Seargent (Cowra, NSW, Australia) [Approximate estimate as comet very near star]
2010 May  14.187 UT: m1=10.0, Dia.=4′, DC=4/ ... 22-cm L f:6.5 (60x)... Marco Goiato (Araçatuba, Brasil)
2010 May  13.43 UT: m1=9.9, Dia.=7.7’, DC=6 ... 25-cm L f:5 (39x)... Chris Wyatt (Walcha, NSW, Australia) [Tail to West, 9’ in length, broad and faint. Coma extension to NE, 4.5’ in length although very faint, visible with averted vision, central condensation equivalent to mag 14 star. Comp Star= TYC 4981-124-1 Method= M. Cat= TJ]
2010 May  13.146 UT: m1=10.0, Dia.=4′, DC=4/ ... 22-cm L f:6.5 (60x)... Marco Goiato (Araçatuba, Brasil) [nebulosidade fina]
2010 May  13.04 UT: m1=9.7, Dia.=2′, DC=4 ... 20×80 B... Alexandre Amorim (Florianopolis, Brazil)
2010 May  12.51 UT: m1=9.6, Dia.=3′ ... 25×100 B... David A. J. Seargent (Cowra, NSW, Australia)
2010 May  11.43 UT: m1=9.9, Dia.=7.7’, DC=6 ... 25-cm L f:5 (39x)... Chris Wyatt (Walcha, NSW, Australia) [Tail to West, 13’ in length, coma elongated to NE, background star in coma. Comp Star= TYC 4978-124-1 Method= M. Cat= TJ]
2010 May  10.42 UT: m1=9.9, Dia.=6.4’, DC=6 ... 25-cm L f:5 (39x)... Chris Wyatt (Walcha, NSW, Australia) [Tail to West, 11’ in length, broad, slightly elongated to NE. Comp Star= TYC 4978-737-1 Method= M. Cat= TJ]
2010 May  09.96 UT: m1=9.7, Dia.=2′, DC=4 ... 20×80 B... Alexandre Amorim (Florianopolis, Brazil)
2010 May  09.89 UT: m1=10.2 CCD, Dia.=1.7′, DC=5 ... 25-cm L +CCD +Rc filter... Toni Scarmato (Calabria, Italia)
2010 May  09.49 UT: m1=9.9, Dia.=6.4’, DC=6 ... 25-cm L f:5 (39x)... Chris Wyatt (Walcha, NSW, Australia) [Tail to West, 13’ in length, slight elongation to NE. Comp Star= TYC 4978-737-1 Method= M. Cat= TJ]
2010 May  08.167 UT: m1=9.9, Dia.=5′, DC=5 ... 22-cm L f:6.5 (60x)... Marco Goiato (Araçatuba, Brasil)
2010 May  07.55 UT: m1=9.6 ... 25×100 B... David A. J. Seargent (The Entrance, NSW, Australia)
2010 May  07.50 UT: m1=9.6, Dia.=5.5’, DC=6 ... 25-cm L f:5 (39x)... Chris Wyatt (Walcha, NSW, Australia) [Tail to West, 15.5’ in length, broad, coma elongated to NE. Comp Star= TYC 4978-851-1. Method= M. Cat= TJ]
2010 May  06.98 UT: m1=9.6, Dia.=3′, DC=4 ... 18-cm L (45x)... Alexandre Amorim (Florianopolis, Brazil)
2010 May  06.43 UT: m1=9.9, Dia.=4.8’, DC=5/6 ... 25-cm L f:5 (39x)... Chris Wyatt (Walcha, NSW, Australia) [Tail to West, 11’ in length, background star in coma, coma elongated to NE. Comp Star= TYC 4978-737-1 Method= M. Cat= TJ]
2010 May  06.183 UT: m1=10.0, Dia.=3´, DC=4/5, Tail= not visible... 15-cm SCT (37x)... Salvador Aguirre (Hermosillo, Sonora, Mexico)
2010 May  05.96 UT: m1=9.4, Dia.=5′, DC=5, Tail= 0.2º in PA: 300º... 20-cm SCT (77x)... Juan Jose Gonzalez (Pandorado, alt. 1190 m, Leon, España)
2010 May  05.41 UT: m1=10.2, Dia.=5.1’, DC=6 ... 25-cm L f:5 (39x)... Chris Wyatt (Walcha, NSW, Australia) [Coma elongated to the West, and slightly elongated to NE (at x83), tail to West, broad and faint, 13’ in length. Comp Star= TYC 4978-1085-1 Method= M. Cat= TJ]
2010 May  03.41 UT: m1=9.6, Dia.=6.4’, DC=6 ... 25-cm L f:5 (39x)... Chris Wyatt (Walcha, NSW, Australia) [Tail to the West, 15’ in length, and broad. Comp Star= TYC 4978-851-1 Method= M. Cat= TJ]
2010 May  03.021 UT: m1=9.8, Dia.=4′, DC=4/ ... 22-cm L f:6.5 (60x)... Marco Goiato (Araçatuba, Brasil)
2010 May  02.50 UT: m1=9.9, Dia.=6′, DC=6 ... 40.0-cm L f/4.5 (36x)... Seiichi Yoshida (Gunma, Japan)
2010 May  02.36 UT: m1=9.6, Dia.=5.5’, DC=6 ... 25-cm L f:5 (39x)... Chris Wyatt (Walcha, NSW, Australia) [No tail, small central condensation, coma elongated to the West. Comp Star= TYC 4978-644-1 Method= S. Cat= TJ]
2010 May  01.97 UT: m1=9.6, Dia.=2′, DC=3 ... 18-cm L (45x)... Alexandre Amorim (Florianopolis, Brazil)
2010 May  01.968 UT: m1=9.8, Dia.=4.5′, DC=4/ ... 22-cm L f:6.5 (60x)... Marco Goiato (Araçatuba, Brasil) [Nuvens]
2010 May  01.51 UT: m1=9.9, Dia.=5.5′, DC=7 ... 40.0-cm L f/4.5 (36x)... Seiichi Yoshida (Gunma, Japan)
2010 Apr. 30.95 UT: m1=10.9 CCD, Dia.=0.9′, DC=5 ... 25-cm L +CCD +Rc filter... Toni Scarmato (Calabria, Italia)
2010 Apr. 30.937 UT: m1=9.8, Dia.=4′, DC=4/ ... 22-cm L f:6.5 (60x)... Marco Goiato (Araçatuba, Brasil) [Nuvens]
2010 Apr. 30.92 UT: m1=9.7: ... 18-cm L (45x)... Alexandre Amorim (Florianopolis, Brazil) [nebulosity]
2010 Apr. 23.64 UT: m1=8.7, Dia.=5.5’, DC=6 ... 25-cm L f:5 (39x)... Chris Wyatt (Walcha, NSW, Australia) [Tail to the West, 4’ in length. Comp Star= TYC 4981-29-1 Method= S. Cat= TJ]
2010 Apr. 22.042 UT: m1=9.5, Dia.=6′, DC=4 ... 20X100 B... Marco Goiato (Araçatuba, Brasil)
2010 Apr. 22.031 UT: m1=9.7, Dia.=5′, DC=5, Tail=10 arcmin in PA: 260 deg ... 22-cm L f:6.5 (60x)... Marco Goiato (Araçatuba, Brasil)
2010 Apr. 22.57 UT: m1=8.7, Dia.=5.9’, DC=6 ... 25-cm L f:5 (39x)... Chris Wyatt (Walcha, NSW, Australia) [Tail to the West, short and faint in moonlight, approximately 4’ long, very small but discernable central condensation. Comp Star= TYC 4982-774-1 Method= S. Cat= TJ]
2010 Apr. 21.58 UT: m1=9.3, ... 25×100 B... David A. J. Seargent (The Entrance, NSW, Australia)
2010 Apr. 21.57 UT: m1=9.3, Dia.=2.5’, DC=6 ... 25-cm L f:5 (39x)... Chris Wyatt (Walcha, NSW, Australia) [Coma bright, stellar central condensation, tail to the West 6’ long, tail narrower than previous observations. Comp Star= TYC 4978-750-1 Method= M. Cat= TJ]
2010 Apr. 20.56 UT: m1=9.4, Dia.=3 ... 25×100 B... David A. J. Seargent (The Entrance, NSW, Australia)
2010 Apr. 20.41 UT: m1=9.5, Dia.=4.5’, DC=6 ... 25-cm L f:5 (39x)... Chris Wyatt (Walcha, NSW, Australia) [Tail to the West, 6.5’in long, moonlight affected. Comp Star= TYC 4979-721-1. Method= S. Cat= TJ]
2010 Apr. 19.104 UT: m1=9.5, Dia.=6′, DC=4 ... 20x100 B... Marco Goiato (Araçatuba, Brasil)
2010 Apr. 19.104 UT: m1=9.7, Dia.=5′, DC=5 ... Tail= 7 arcmin in PA: 250 deg ... 22-cm L f:6.5 (60x)... Marco Goiato (Araçatuba, Brasil)
2010 Apr. 18.38 UT: m1=8.7, Dia.=5′, DC=4 ... 11×70 B... Alexandre Amorim (San Rafael, Argentina)
2010 Apr. 18.187 UT: m1=9.6, Dia.=6′, DC=4 ... 20x100 B... Marco Goiato (Araçatuba, Brasil)
2010 Apr. 18.177 UT: m1=9.7, Dia.=4.5′, DC=5, Tail= 7 arcmin in PA: 260 deg ... 22-cm L f:6.5 (60x)... Marco Goiato (Araçatuba, Brasil)
2010 Apr. 17.17 UT: m1=8.4, Dia.=7′, DC=5 ... 11×70 B... Alexandre Amorim (San Rafael, Argentina) [elongated coma with 2’x4′ in PA 270 using 28-cm SCT f/10 87x]
2010 Apr. 17.09 UT: m1=9.3, Dia.=5′, DC=4/, Tail= 0.3º in PA: 300º... 20-cm SCT (77x)... Juan José González (La Cruz – Lieres, alt. 520 m, Asturias, España)
2010 Apr. 16.17 UT: m1=8.7, Dia.=5′, DC=5 ... 11×70 B... Alexandre Amorim (San Rafael,Argentina)
2010 Apr. 16.083 UT: m1=9.6, Dia.=5′, DC=4 ... 20x100 B... Marco Goiato (Araçatuba, Brasil) [Nuvens]
2010 Apr. 15.46 UT: m1=9.5, Dia.=6.4’, DC=6 ... 25-cm L f:5 (39x)... Chris Wyatt (Walcha, NSW, Australia) [Tail to the West, 25’ total length, with brighter fan 12’extending West from coma before fading out to 25’, coma also elongated slightly to NE (anti-tail) Comp Star= TYC 4982-1012-1 Method= M. Cat= TJ]
2010 Apr. 14.094 UT: m1=9.5, Dia.=6′, DC=4 ... 20x100 B... Marco Goiato (Araçatuba, Brasil) [Nuvens]
2010 Apr. 14.00 UT: m1=8.9, Dia.=4′, DC=4 ... 18-cm L (45x)... Alexandre Amorim (Florianopolis, Brazil)
2010 Apr. 13.75 UT: m1=9.2, Dia.=6.4’, DC=5 ... 25-cm L f:5 (39x)... Chris Wyatt (Walcha, NSW, Australia) [Tail to the West, 25’ long, faint, coma edges diffuse with bright small central condensation. Comp Star= TYC 4982-704-1 Method= S, Cat= TJ]
2010 Apr. 13.06 UT: m1=9.0, Dia.=3′, DC=6 ... 7.6-cm L (75x)... Alexandre Amorim (Florianopolis, Brazil)
2010 Apr. 12.94 UT: m1=9.1, Dia.=3.4′, DC=4 ... 13-cm reflector... Artyom Novichonok (Konchezero, Russia)
2010 Apr. 12.54 UT: m1=9.3, Dia.=4, DC=5, Tail= 0.5 deg in PA: 290 deg ... 25×100 B... David A. J. Seargent (Cowra, NSW, Australia)
2010 Apr. 12.114 UT: m1=9.5, Dia.=6′, DC=4 ... 20x100 B... Marco Goiato (Araçatuba, Brasil)
2010 Apr. 12.104 UT: m1=9.6, Dia.=5′, DC=5, Tail= 8 arcmin in PA: 270 deg ... 22-cm L f:6.5 (36x)... Marco Goiato (Araçatuba, Brasil)
2010 Apr. 12.05 UT: m1=9.1, Dia.=3′, DC=4... 18-cm L (45x)... Alexandre Amorim (Florianopolis, Brazil)
2010 Apr. 11.51 UT: m1=9.3, Dia.=3, DC=5, Tail= 0.5 deg in PA: 290 deg ... 25.4-cm L (71x)... David A. J. Seargent (Cowra, NSW, Australia)
2010 Apr. 11.18 UT: m1=10.0, Dia.=3´, DC=5´, Tail= not visible... 15-cm SCT (37x), Salvador Aguirre (Hermosillo, Sonora, Mexico)
2010 Apr. 11.01 UT: m1=9.6, Dia.=4′, DC=5, Tail= 15′... 23.5-cm SCT (67x)... Carlos Labordena (Castellón, España)
2010 Apr. 11.01 UT: m1=9.3, Dia.=5′, DC=4, Tail= 15′... 11×80 B... Carlos Labordena (Castellón, España)
2010 Apr. 10.71 UT: m1=9.5, Dia.=4’, DC=6 ... 20-cm T f:10 (63x)... Chris Wyatt (Walcha, NSW, Australia) [Coma elongated to the NW, moonlight affected visibility of tail which made it not visible. Comp Star= TYC 4982-1012-1... Method= S... Cat= TJ]
2010 Apr. 10.218 UT: m1=9.5, Dia.=6′, DC=4 ... 20x100 B... Marco Goiato (Araçatuba, Brasil)
2010 Apr. 10.208 UT: m1=9.7, Dia.=4.5′, DC=5, Tail= 7 arcmin in PA: 260 deg ... 22-cm L f:6.5 (60x)... Marco Goiato (Araçatuba, Brasil)
2010 Apr. 10.15 UT: m1=9.2, Dia.=6′, DC=5/, Tail= 0.4º in PA; 300º... 25×100 B... Juan José González (Cueto Rosales – Riello, alt. 1420 m., León, España) [En 20 -cm SCT (77x): m1=9.5]
2010 Apr. 08.50 UT: m1=8.9, Dia.=4, Tail= 0.3 degrees in PA: 305 deg ... 25×100 B... David A. J. Seargent (Cowra, NSW, Australia)
2010 Apr. 08.083 UT: m1=9.6, Dia.=5′, DC=5, Tail= 4 arcmin in AP: 280 deg ... 22-cm L f:6.5 (60x)... Marco Goiato (Araçatuba, Brasil)
2010 Apr. 07.125 UT: m1=9.5, Dia.=6′, DC=4 ... 20×100 B... Marco Goiato (Araçatuba, Brasil)
2010 Apr. 06.083 UT: m1=9.5, Dia.=5′, DC=4 ... 20×100 B... Marco Goiato (Araçatuba, Brasil)
2010 Apr. 05.46 UT: m1=9.1, Dia.=4, Tail= in 25.4L at 71X, broad tail of 0.7 degrees in PA: 274 deg ... 25×100 B... David A. J. Seargent (Cowra, NSW, Australia)
2010 Apr. 05.02 UT: m1=9.4, Dia.=4.5′, DC=5, Tail= 0.5º en PA: 290º... 20-cm SCT (77x)... Juan José González (Alto del Trichero – Soto y Amío, alt. 1190 m., León, España)
2010 Apr. 05.187 UT: m1=9.5, Dia.=5′, DC=4 ... 20×100 B... Marco Goiato (Araçatuba, Brasil) [Luar]
2010 Apr. 04.041 UT: m1=9.6, Dia.=4′, DC=4/ ... 22-cm L f:6.5 (160x)... Marco Goiato (Araçatuba, Brasil) [Nuvens]
2010 Apr. 03.99 UT: m1=9.8 CCD, Dia.=3′, DC=5 ... 25-cm L +CCD +Rc filter... Toni Scarmato (Calabria, Italia)
2010 Apr. 03.92 UT: m1=9.2, Dia.=3.8′, DC=5 ... 13-cm reflector... Artyom Novichonok (Spasskaya Guba, Russia)
2010 Apr. 03.01 UT: m1=9.0, Dia.=3′, DC=4 ... 18-cm L (45x)... Alexandre Amorim (Florianopolis, Brasil) [moonlight]
2010 Mar. 25.69 UT: m1=8.9, Dia.=3’, DC=6 ... 25-cm L f:5 (39x)... Chris Wyatt (Walcha, NSW, Australia) [Tail to the West, 38.5’ in length using averted vision. Comp Star= TYC 4982-1269-1... Method= S... Cat= TJ]
2010 Mar. 23.70 UT: m1=9.6, Dia.=2.5’, DC=6 ... 25-cm L f:5 (39x)... Chris Wyatt (Walcha, NSW, Australia) [Tail to the West, 19’ in length, faint. Thin local fog making obs difficult. Comp Star= TYC 4982-1103-1... Method= S... Cat= TJ]
2010 Mar. 20.292 UT: m1=9.2, Dia.=6′, DC=4 ... 20X100 B... Marco Goiato (Araçatuba, Brasil)
2010 Mar. 19.95 UT: m1=9.8 CCD, Dia.=2.1′, DC=6 ... 25-cm L +CCD +Rc filter... Toni Scarmato (Calabria, Italia)
2010 Mar. 19.51 UT: m1=9.3, Dia.=5.4’, DC=5/6 ... 20-cm T f:6 (39x)... Chris Wyatt (Walcha, NSW, Australia) [Tail to West (PA 270), 38’ in length using averted vision. Comp Star= TYC 4982-184-1... Method= S... Cat= TJ]
2010 Mar. 19.146 UT: m1=9.2, Dia.=6′, DC=4 ... 20×100 B... Marco Goiato (Araçatuba, Brasil)
2010 Mar. 18.69 UT: m1=9.5, Dia.=5.3’, DC=5 ... 25-cm L, f:5 (39x)... Chris Wyatt (Walcha, NSW, Australia) [Broad tail in PA 270, 19’ in length using averted vision, 7’ visible direct, inner coma slightly elongated WNW to ESE. Comp Star= TYC 4892-238-1... Method= S... Cat= TJ]
2010 Mar. 18.05 UT: m1=9.2, Dia.=5′, DC=4 ... 18-cm L (45x)... Alexandre Amorim (Florianopolis, Brasil) [light pollution]
2010 Mar. 17.96 UT: m1=9.6 CCD, Dia.=2.8′, DC=7 ... 25-cm L +CCD +Rc filter... Toni Scarmato (Calabria, Italia)
2010 Mar. 17.95 UT: m1=9.5, Dia.=5.4′, DC=5 ... 13-cm reflector... Artyom Novichonok (Vikshitsa fields, Russia)
2010 Mar. 17.125 UT: m1=9.2, Dia.=6′, DC=4 ... 20×100 B... Marco Goiato (Araçatuba, Brasil) [Nuvens]
2010 Mar. 16.70 UT: m1=9.4, Dia.= 5.1’, DC=6 ... 25-cm L f:5 (39x)... Chris Wyatt (Walcha, NSW, Australia) [Tail to West, 25’ long using averted vision, coma diffuse with small stellar central condensation. Comp Star= TYC 4891-1318-1... Method= S... Cat= TJ]
2010 Mar. 15.14 UT: m1=9.5, Dia.=4.5′, DC=5/, Tail= 0.3º en PA: 290º... 20-cm SCT (77x)... Juan José González (Aralla, alt. 1440 m., León, España)
2010 Mar. 14.125 UT: m1=9.2, Dia.=6′, DC=4 ... 20×100 B... Marco Goiato (Araçatuba, Brasil)
2010 Mar. 14.01 UT: m1=9.7, Dia.=4′, DC=6, Tail= 6′... 23.5-cm SCT (67x)... Carlos Labordena (Castellón, España)
2010 Mar. 13.312 UT: m1=9.2, Dia.=6′, DC=4 ... 20x100 B... Marco Goiato (Araçatuba, Brasil)
2010 Mar. 11.146 UT: m1=9.4, Dia.=4′, DC=5 ... 22-cm L F:6.5 (60x)... Marco Goiato (Araçatuba, Brasil) [muito próximo a estrela com m1: 10.23]
2010 Mar. 10.11 UT: m1=9.5, Dia.=4.5′, DC=5/, Tail= 0.2º en PA: 290º... 20-cm SCT (77x)... Juan José González (Alto del Trichero – Soto y Amío, alt. 1190 m., León, España)
2010 Mar. 10.02 UT: m1=9.5, Dia.=4.5′, DC=5 ... 13-cm reflector... Artyom Novichonok (Vikshitsa fields, Russia)
2010 Mar. 09.51 UT: m1=9.9, Dia.=5.5’, DC=6 ... 25-cm L f:5 (39x)... Chris Wyatt (Walcha, NSW, Australia) [Tail to NW approx... 9’ in length, broad and faint. Comp Star= TYC 5554-564-1... Method= M... Cat= TJ]
2010 Mar. 09.166 UT: m1=9.4, Dia.=5′, DC=4/ ... 20X100 B... Marco Goiato (Araçatuba, Brasil)
2010 Mar. 08.50 UT: m1=9.6, Dia.=5.5’, DC=6 ... 25-cm L f:5 (39x)... Chris Wyatt (Walcha, NSW, Australia) [Tail to NW, faint, 6.5’ in length. Comp Star= TYC 4891-894-1... Method= M... Cat= TJ]
2010 Mar. 08.12 UT: m1=9.3, Dia.=4′, DC=5 ... 18-cm L (45x)... Alexandre Amorim (Florianopolis, Brasil)
2010 Mar. 07.146 UT: m1=9.7, Dia.=3′, DC=5/ ... 22-cm L F:6.5 (60x)... Marco Goiato (Araçatuba, Brasil) [Luar]
2010 Feb. 23.58 UT: m1=9.5, Tail:0.2 deg in PA:290 deg ... 25.4-cm L (71x)... David A. J. Seargent (Cowra, NSW, Australia)
2010 Feb. 23.187 UT: m1=9.7, Dia.=3′, DC=5/ ... 22-cm L f:6.5 (60x)... Marco Goiato (Araçatuba, Brasil) [Poluição atmosférica]
2010 Feb. 21.54 UT: m1=9.7, Dia.=4 ... 25×100 B... David A. J. Seargent (Cowra, NSW, Australia)
2010 Feb. 21.250 UT: m1=9.7, Dia.=3′, DC=5 ... 20x100 B... Marco Goiato (Araçatuba, Brasil)
2010 Feb. 20.37 UT: m1=11.4 CCD, Dia.=3.2′, DC=-, Tail=14′ in PA: 289 deg ... 0.36-m L f/3.8 + CCD... Sergey Shurpakov (Baran’, Belarus)
2010 Feb. 20.18 UT: m1=9.6, Dia.=3.5′, DC=5/, Tail= 0.2º en PA: 300º... 20-cm SCT (77x)... Juan José González (Armada – Lena, alt. 700 m, Asturias, España)
2010 Feb. 19.62 UT: m1=9.6, Dia.=3′, DC=6 ... 20-cm L (57x)... Michael Mattiazzo (Castlemaine, Victoria) [First observation. Bright starlike nucleus with a hint of tail in PA 290]
2010 Feb. 17.93 UT: m1=10.5, Dia.=3′, DC=3 ... 13-cm reflector... Artyom Novichonok (Konchezero, Russia)
2010 Feb. 16.97 UT: m1=10.3, Dia.=3.4′, DC=3 ... 13-cm reflector... Artyom Novichonok (Konchezero, Russia)
2010 Feb. 12.69 UT: m1=10.3... Dia.=3’, DC=6 ... 25-cm L f:5 (39x)... Chris Wyatt (Walcha, NSW, Australia) [Coma elongated to NE, tail 19’ long in PA 270. Comp Star= TYC 4972-1332-1... Method= S... Cat= TJ
2010 Feb. 11.70 UT: m1=10.0... Dia.=3’, DC=6 ... 25-cm L f:5 (39x)... Chris Wyatt (Walcha, NSW, Australia) [Tail visible, 19’ in length, PA 293 degrees, coma elongated to NE. Comp Star= TYC 4972-685-1... Method= S... Cat= TJ
2010 Feb. 10.59 UT: m1=10.2... Dia.=2’, DC=6 ... 25-cm L f:5 (39x)... Chris Wyatt (Walcha, NSW, Australia) [Tail visible, 15’ in length in PA 293 degrees. Comp Star= TYC 4972-393-1... Method= S... Cat= TJ
2010 Feb. 10.15 UT: m1=9.6, Dia.=3′, DC=5, tail= 5′... 23.5-cm SCT (67x)... Carlos Labordena (Castellón, España)
2010 Feb. 10.07 UT: m1=9.7, Dia.=3′, DC=5/, Tail= 0.2 deg in PA: 290 deg ... 20-cm SCT (77x)... Juan José González (Caldas de Luna, alt. 1120 m, León, España)
2010 Feb. 07.281 UT: m1=10.1, Dia.=3′, DC=6 ... 22-cm L f:6.5 (160x)... Marco Goiato (Araçatuba, Brasil) [Luar]
2010 Feb. 06.208 UT: m1=10.0:, Dia.=2′, DC=4 ... 22-cm L f:6.5 (160x)... Marco Goiato (Araçatuba, Brasil) [Luar e nuvens]
2010 Jan. 22.69 UT: m1=10.0, Dia.=4.8’, DC=4/5 ... 25-cm L f:5 (39x)... Chris Wyatt (Walcha, NSW, Australia) [Tail to the West, 13’ in length, coma extension to the North, central condensation bright. Comp Star= TYC 4953-774-1... Method= S... Cat= TJ]
2010 Jan. 13.09 UT: m1=9.7, Dia.=3.5′, DC=3/, Tail= 0.1º en PA: 290º... 20-cm SCT (77x)... Juan José González (Grandota – Oviedo, alt. 430 m, España)
2009 Dec. 26.26 UT: m1=11.6, Dia.=1′, DC=5 ... 20-cm R F9... Alfons Diepvens (Balen, Belgium)
2009 Dec. 19.281 UT: m1=11.3, Dia.=2′, DC=5 ... 22-cm L f:6.5 (60x)... Marco Goiato (Araçatuba, Brasil)
2009 Dec. 12.16 UT: m1=10.3, Dia.=4′, DC=3 ... 20-cm SCT (77x)... Juan José González (Alto del Castro, alt. 1720 m, León, España) [Coma elongada]
2009 Dec. 11.17 UT: m1=9.8, Dia.=3′, DC=2, no tail... 23.5-cm SCT (67x)... Carlos Labordena (Castellón, España)
2009 Nov. 24.17 UT: m1=10.5, Dia.=4.5′, DC=3 ... 20-cm SCT (77x)... Juan José González (Alto del Castro, alt. 1720 m, León, España)
2009 Nov. 18.14 UT: m1=10.7, Dia.=3.5′, DC=2/ ... 20-cm SCT (77x)... Juan José González (Alto del Castro, alt. 1720 m, León, España) [Coma elongada]
2009 Nov. 14.302 UT: m1=12.1, Dia.=0.8′, DC=5 ... 22-cm L f:6.5 (160x)... Marco Goiato (Araçatuba, Brasil)
2009 Nov. 09.48 UT: m1=11.0, Dia.=4´, DC=3, Tail= not visible... 20-cm SCT (50x)... Salvador Aguirre (Hermosillo, Sonora, Mexico)
2009 Oct. 31.83 UT: m1=12.4 CCD, Dia.=0.5′, Tail= 1.2′... 18-cm reflector + CCD... Artyom Novichonok (remotely Pingelly, Australia)
2009 Oct. 26.20 UT: m1=11.2, Dia.=4′, DC=2/, Tail= 0.2º en PA: 290º... 20-cm SCT (77x)... Juan José González (Alto del Castro, alt. 1720 m, León, España) [Luz zodiacal]
2009 Oct. 17.11 UT: m1=12.0, Dia.=1.5′, DC=3, no tail... 23.5-cm SCT (94x)... Carlos Labordena (Castellón, España)
2009 Oct. 16.18 UT: m1=11.8, Dia.=2′, DC=3 ... 20-cm SCT (100x)... Juan José González (Alto del Castro, alt. 1720 m, León, España)
2009 Sep. 29.19 UT: m1=12.2, Dia.=2′, DC=3 ... 20-cm SCT (100x)... Juan José González (Alto del Castro, alt. 1720 m, León, España)
2009 Sep. 23.16 UT: m1=12.3, Dia.=2′, DC=3 ... 20-cm SCT (133x)... Juan José González (Alto del Castro, alt. 1720 m, León, España)
2009 Sep. 20.80 UT: m1=13.7, Dia.=0.4′, DC=6 ... 40.0-cm L f/4.5 (144x)... Seiichi Yoshida (Gunma, Japan)
2003 May  01.09 UT: m1=15.5 CCD, Dia.=15", DC=6/9 ... 0.41-m SCT/CCD ... P. Clay Sherrod (ASO - Petit Jean Mountain, H41) [Maintaining consistent brightness; strong nuclear condensation]
2003 Mar. 04.06 UT: m1=15.3 CCD, Dia.=20", DC=4/9 ... 0.41-m SCT/CCD ... P. Clay Sherrod (ASO - Conway, AR) [Comet presents a very open and largely diffuse coma with little central condensation; hazy skies]
2003 Feb. 18.07 UT: m1=15.4 CCD, Dia.=18", DC=4/9 ... 0.41-m SCT/CCD ... P. Clay Sherrod (ASO - Conway) [Comet is very difficult due to rising full moon in east; *m2=16.0 CCD; coma is large, extended with some minor central condensation; uniformly round]
2003 Jan. 31.07 UT: m1=15.3 CCD, Dia.=21", DC=4/9 ... 0.41-m SCT/CCD ... P. Clay Sherrod (ASO - Conway) [Not much change, but imaged in fairly hazy conditions]
2003 Jan. 28.06 UT: m1=14.6 CCD, Dia.=15", DC=3/9 ... 0.41-m SCT/CCD ... P. Clay Sherrod (ASO - Conway) [Clouds moving in so size estimates likely affected]
2003 Jan. 15.07 UT: m1=16.0 CCD, Dia.=12", DC=6/9 ... 0.41-m SCT/CCD ... P. Clay Sherrod (ASO - Conway) [For astrometric measurements; moonlight precludes good photometric and size data]
2003 Jan. 09.46 UT: m1=16.0 CCD, Dia.=9.8", DC=6 ... 0.25-m SCT/CCD ... David Higgins (Hunters Hill Observatory E14) [very round and tight coma with slight central condensation, just the hint of a tail]
2003 Jan. 07.08 UT: m1=15.0 CCD, Dia.=16", DC=3/9 ... 0.31-m SCT/CCD ... P. Clay Sherrod (ASO - Conway) [Some central brightening (*m2=16.4CCD); fairly large and uniform coma]
2003 Jan. 03.31 UT: m1=15.7 CCD, Dia.=10", DC=5/9 ... 0.31-m SCT/CCD ... P. Clay Sherrod (ASO - Conway) [Comet very diffuse and difficult in light polluted area of sky.]
2002 Dec. 25.35 UT: m1=16.2 CCD, Dia.=13", DC=3/9 ... 0.31-m SCT/CCD ... P. Clay Sherrod (ASO - Conway) [Comet very difficult due to moonlight; low surface brightness against bright sky]
2002 Dec. 21.26 UT: m1=15.2 CCD, Dia.=18", DC=3/9 ... 0.31-m SCT/CCD ... P. Clay Sherrod (ASO - Conway) [Comet appears small with very little central condesation; strong moonlight very close]
2002 Dec. 15.31 UT: m1=15.2 CCD, Dia.=11", DC=5/9 ... 0.31-m SCT/CCD ... P. Clay Sherrod (ASO - Conway) [Possible elongation in PA 270, fanned and faint]
2002 Dec. 14.36 UT: m1=14.6 CCD, Dia.=0.6', DC=3/9 ... 0.31-m SCT/CCD ... P. Clay Sherrod (ASO - Conway) [Very non-uniform coma periphery, but possibly appears such due to very poor moist conditions. Comets shows slight condensation, fairly bright]
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