262P/McNaught-Russell

262P/McNaught-Russell
2013 Mar. 24.02 UT: m1=16.1 CCD, Dia.=0.4’... CCD images unfiltered... Clermont Vallière (Centre d’Observation Astronomique des Monts Notre-Dame, Québec, Canada) [comparison star 3UCAC 176-016386 mag.=16.46]
2013 Mar. 05.75 UT: m1=13.1, Dia.=1.1′, DC=2... 42-cm L f:5 (81x)... Martin Lehky (Hradec Kralove, Czech Republic)
2013 Mar. 04.78 UT: m1=14.6, Dia.=0.8’, DC=1... 50.8-cm reflector (250x)... Sandor Szabo (Sopron, Hunagry) [Large, diffuse comet but easily seen]
2013 Mar. 04.75 UT: m1=13.0, Dia.=1.2′, DC=2... 42-cm L f:5 (81x)... Martin Lehky (Hradec Kralove, Czech Republic)
2013 Feb. 10.77 UT: m1=11.5, Dia.=1′, DC=1... 32-cm L f/5 (144x)... Uwe Pilz (Leipzig, Germany)
2013 Jan. 27.98 UT: m1=15.9 CCD, Dia.=0.3’... CCD images unfiltered... Clermont Vallière (Centre d’Observation Astronomique des Monts Notre-Dame, Québec, Canada) [comparison star 3UCAC 165-005764 mag.=16.35]
2013 Jan. 13.82 UT: m1=10.5, Dia.=9′, DC=2... 20-cm SCT (77x)... Juan José Gonzalez (Alto de la Garandilla – Escuredo, alt. 1150 m, León, España) [Amplia coma, difusa, elongada y asimétrica]
2013 Jan. 11.76 UT: m1=11.6, Dia.=2.5′, DC=3... 50.8-cm L (78x)... Sandor Szabo (Hungary)
2013 Jan. 07.79 UT: m1=11.3, Dia.=4′, DC=2, no tail... 23.5-cm SCT (67x)... Carlos Labordena (Castellón, España)
2013 Jan. 06.44 UT: m1=11.4, Dia.=4.3’, DC=1... 25-cm L f:5 (39x)... Chris Wyatt (Walcha, NSW, Australia) [Coma diffuse, inner coma slightly brighter but broad across coma centre, no tail. Method=S. Cat=AQ]
2013 Jan. 06.09 UT: m1=11.8 CCD (V), Dia.=3.2′... 11-cm R + CCD... Artyom Novichonok (remotely from Mayhill, U.S.A.)
2013 Jan. 05.99 UT: m1=13.02 CCD, Dia.=1.0’... CCD images unfiltered... Clermont Vallière (Centre d’Observation Astronomique des Monts Notre-Dame, Québec, Canada) [comparison star 3UCAC 165-002261 mag.=14.21]
2013 Jan. 04.99 UT: m1=11.5 (S), Dia.=2′, DC=2/... 22-cm L (160x)... Marco Goiato (Araçatuba, Brasil)
2013 Jan. 04.45 UT: m1=11.2, Dia.=4.3’, DC=1... 25-cm L f:5 (39x)... Chris Wyatt (Walcha, NSW, Australia) [Coma large, diffuse edges with slight central brightening but broadly formed. Averted vision. Method= S. Cat= AQ]
2013 Jan. 03.83 UT: m1=10.8, Dia.=5′, DC=2... 20-cm SCT (77x)... Juan José González (Aralla, alt. 1440 m, León, España)
2013 Jan. 03.44 UT: m1=10.6, Dia.=4.5’, DC=1... 25-cm L f:5 (39x)... Chris Wyatt (Walcha, NSW, Australia) [Coma diffuse, slightly condensed at centre, no tail. Method= S. Cat= TK]
2013 Jan. 02.98 UT: m1=14.60 CCD, Dia.=0.4’... CCD images unfiltered... Clermont Vallière (Centre d’Observation Astronomique des Monts Notre-Dame, Québec, Canada) [comparison star 3UCAC 165-001768 mag.=14.51]
2012 Dec. 24.00 UT: m1=13.9 CCD, Dia.=0.3’... CCD images unfiltered... Clermont Vallière (Centre d’Observation Astronomique des Monts Notre-Dame, Québec, Canada)
2012 Dec. 16.67 UT: m1=[10.5... 20-cm L (80x)... Artyom Novichonok (Konchezero, Russia) [Light pollution sky zone (Petrozavodsk pollution), alt. near 20 deg.]
2012 Dec. 16.02 UT: m1=12.8 CCD, Dia.=0.8’... CCD images unfiltered... Clermont Vallière (Centre d’Observation Astronomique des Monts Notre-Dame, Québec, Canada)
2012 Dec. 13.43 UT: m1=10.8, Dia.=6.1’, DC=1/2... 25-cm L f:5 (39x)... Chris Wyatt (Walcha, NSW, Australia) [Coma large and diffuse, no tail. Diffuse patch of light about 4’ of the inner coma diameter, slightly brighter than the coma edge. Averted vision shows outer coma well, Swan Band filter does not enhance coma. Method=S... Cat=AQ]
2012 Dec. 11.97 UT: m1=13.6 CCD, Dia.=0.3’... CCD images unfiltered... Clermont Vallière (Centre d’Observation Astronomique des Monts Notre-Dame, Québec, Canada)
2012 Dec. 10.46 UT: m1=11.2, Dia.=3′... 25.4-cm L (71x)... David A. J. Seargent (Cowra, NSW, Australia) [Very low surface brightness, little changed through Swan Band filter. In 25×100 B, marginally glimpsed as a vague “presence”]
2012 Dec. 09.70 UT: m1=11.7, Dia.=2′, DC=2... 50.8-cm (123x)... Sandor Szabo (Sopron, Hungary)
2012 Dec. 08.87 UT: m1=10.7, Dia.=6′, DC=2... 20-cm SCT (77x)... Juan José González (Alto del Trichero – Soto y Amío, alt. 1190 m, León, España ) [ Movimiento seguido durante 30 minutos. Estrellas de campo comprobadas en el DSS. Cielo muy claro de montaña]
2012 Dec. 06.44 UT: m1=11.0, Dia.=4’, DC=0/1... 25-cm L f:5 (39x)... Chris Wyatt (Walcha, NSW, Australia) [No tail, coma quite diffuse, smallest hint of gradual brightening to centre in periods of god visibility using averted vision, difficult due to smoke haze from local bushfires. Method=S. Cat=TA]
2012 Dec. 05.71 UT: m1=13.1, Dia.=1′, DC=2... 32-cm L f:5 (120x)... Uwe Pilz (Leipzig, Germany)
2012 Dec. 05.43 UT: m1=11.0, Dia.=4.1’, DC=0/1... 25-cm L f:5 (39x)... Chris Wyatt (Walcha, NSW, Australia) [Coma large and diffuse, even brightness across coma, visible using averted and direct vision, outer coma best viewed with averted vision. Method=S. Cat=TA]
2012 Dec. 04.43 UT: m1=11.3, Dia.=3’, DC=0/1... 25-cm L f:5 (39x)... Chris Wyatt (Walcha, NSW, Australia) [Coma close to background star, very diffuse, almost transparent and even surface brightness, slightly enhances with Swan Band filter, averted vision. Method=S. Cat=TA]
2012 Nov. 24.37 UT: m1=[11.7... 40.0-cm L f/4.5 (144x)... Seiichi Yoshida (Gunma, Japan)
2012 Nov. 17.94 UT: m1=14.7, DC=3... Visual Aperture 91-cm F:3.5... Jean-François Viens (Centre d’Observation Astronomique des Monts Notre-Dame, Québec, Canada)
2012 Nov. 17.75 UT: m1=14.9 CCD, Dia.=0.3’... CCD images unfiltered... Clermont Vallière (Centre d’Observation Astronomique des Monts Notre-Dame, Québec, Canada)
2012 Nov. 12.83 UT: m1=13.2, Dia.=1.5′, DC=4... 20-cm SCT (133x)... Juan José González (Pandorado, alt. 1190 m, León, España) [Débil coma externa. Movimiento seguido durante 30 minutos. Estrellas de campo comprobadas en el DSS. Estrellas de comparación de la fotometría APASS cercana al cometa. Cielo muy claro de montaña]
2012 Nov. 11.77 UT: m1=15.2 CCD, Dia.=0.4’... CCD images unfiltered... Clermont Vallière (Centre d’Observation Astronomique des Monts Notre-Dame, Québec, Canada)
2012 Oct. 20.85 UT: m1=[14.0, Dia.=!0.2′... 20.3-cm L (150x)... Mieczyslaw Leszek Paradowski (Dabrowa, Poland) [The comet not seen. Comparison stars taken from ASAS-3 (AU)]
2012 Sep. 09.85 UT: m1=[15.3... 50.8-cm L (351x)... Sandor Szabo (Sopron, Hungary) [Position is in a rich star field. Fainter than 15.3 mag]
2012 Sep. 08.85 UT: m1=[14.7, Dia.=1.0′... 35-cm reflector (64x)... Jakub Cerny (Senohraby, Czech Republic)