C/2010 S1 (LINEAR)

C/2010 S1 (LINEAR)
2015 Sep. 15.43 UT: m1=15.8: CCD, Dia.=&0.5′... [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. 18.47 UT: m1=15.1: CCD, Dia.=&0.6′... [T31] 0.50-m f/6.8 astrograph + CCD + focal reducer... A. Novichonok & T. Prystavski (iTelescope observatory, Q62 remotely from Siding Spring, Australia)
2015 Apr. 01.44 UT: m1=14.7: CCD, Dia.=&0.7′... [T20] 0.1-m f/5.0 astrograph + CCD... A. Novichonok & T. Prystavski (iTelescope observatory, H06 remotely from Mayhill, U.S.A.)
2015 Mar. 02.76 UT: m1=14.7: CCD Dia.=&0.7′... [T31] 0.50-m f/6.8 astrograph + CCD + focal reducer... A. Novichonok & T. Prystavski (iTelescope observatory, Q62 remotely from Siding Spring, Australia)
2014 Nov. 19.04 UT: m1=14.5: CCD, Dia.=&0.5′... [T20] 0.1-m f/5.0 astrograph + CCD... A. Novichonok & T. Prystavski (iTelescope observatory, H06, remotely Mayhill, U.S.A.)
2014 Oct. 25.40 UT: m1=[12.9, negative... 40.0-cm L f/4.5 (257x)... Seiichi Yoshida (Gunma, Japan)
2014 Sep. 22.43 UT: m1=13.3, Dia.=0.9′, DC=2... 40-cm L f/4.5 (144x)... Seiichi Yoshida (Gunma, Japan)
2014 Sep. 14.41 UT: m1=13.6 CCD, Dia.=1.2′... [T12] 0.11-m f/5.0 refractor + CCD... A. Novichonok & T. Prystavski (iTelescope observatory, Q62, remotely from Siding Spring, Australia)
2014 Aug. 31.38 UT: m1=13.2: CCD, Dia.=1.34′ Tail= 3.7′ in PA: 35 deg.... 0.11-m f/5.0 refractor + CCD... A. Novichonok & T. Prystavski (iTelescope observatory, Q62, remotely from Siding Spring, Australia)
2014 Aug. 30.05 UT: m1=16.1 CCD... Dia.=0.5’... CCD images unfiltered... Pierre LAP:orte (Cd’OA des Monts Notre-Dame, Québec, Canada)
2014 Aug. 28.86 UT: m1=13.9, Dia.=1.4′, DC=2/... 35-cm L (239x)... Jakub Cerny (Zachotin, Czech Republic)
2014 Aug. 27.90 UT: m1=14.2, Dia.=0.8′, DC=3/... 35-cm L (239x)... Jakub Cerny (Zachotin, Czech Republic)
2014 Aug. 27.85 UT: m1=13.6, Dia.=1.3’, DC=2... 50.8-cm L (189x)... Sandor Szabo (Hungary)
2014 Aug. 24.94 UT: m1=14.2, Dia.=0.5′, DC=3... 35-cm L (239x)... Jakub Černý (Zachotin, Czech Republic)
2014 Aug. 24.86 UT: m1=14.1, Dia.=0.5′, DC=3... 40-cm L (230x)... Jakub Černý (Zachotin, Czech Republic)
2014 Aug. 24.09 UT: m1=14.0, DC=2... Visual, 36″ F/3.5... Jean-François Viens (Cd’OA des Monts Notre-Dame, Québec, Canada)
2014 Aug. 22.94 UT: m1=14.1, Dia.=1.5′, DC=3/... 35-cm L (239x)... Jakub Černý (Zachotin, Czech Republic)
2014 Aug. 02.93 UT: m1=13.9, Dia.=1.6′, DC=4/... 35-cm L (239x)... Jakub Cerny (Czech Republic)
2014 July 29.17 UT: m1=13.4, Dia.=0.2′, DC=7... 22-cm L (160x)... Marco Antonio Coelho Goiato (Araçatuba, Brazil)
2014 July 26.42 UT: m1=13.1: CCD, Dia.=1.3′, Tail= 2.1′ in PA: 40 deg ... 0.11-m f/5.0 refractor + CCD... A. Novichonok & T. Prystavski (iTelescope observatory, Q62 remotely from Siding Spring, Australia)
2014 July 25.93 UT: m1=14.3, Dia.=1.1′, DC=3/... 35-cm L (239x)... Jakub Cerný (Czech Republic)
2014 July 24.92 UT: m1=14.0, Dia.=0.4’, DC=4... 50.8-cm L (307x)... Sandor Szabo (Hungary)
2014 July 19.92 UT: m1=13.3, Dia.=1.1′, DC=3... 35-cm L (239x)... Jakub Cerný (Czech Republic)
2014 July 01.95 UT: m1=13.4, Dia.=0.8′, DC=3... 25.4-cm L (125x)... Sandor Szabo (Sopron, Hungary)
2014 June 30.19 UT: m1=13.5, Dia.=0.2′, DC=7... 22-cm L (230x)... Marco Antonio Coelho Goiato (Araçatuba, Brazil)
2014 June 25.53 UT: m1=13.2 CCD, Dia.=1.11′, Tail=&2′ in PA: 37 deg ... 0.32-m f/7.4 Ritchey-Chretien + CCD... A. Novichonok & T. Prystavski (iTelescope observatory, Q62 Remotely from Siding Spring, Australia)
2014 May  23.60 UT: m1=13.1 CCD, Dia.=1.2′, Tail= 2′ in PA: 40 deg ... 0.32-m f/7.4 Ritchey-Chretien + CCD... A. Novichonok & T. Prystavski (iTelescope observatory, Q62 remotely from Siding Spring, Australia)
2014 Apr. 28.75 UT: m1=13.3 CCD, Dia.=1.1′, Tail=&1.5′ in PA: 40 deg ... 0.32-m f/7.4 Ritchey-Chretien + CCD... A. Novichonok & T. Prystavski (iTelescope observatory, Q62 remotely Siding Spring, Australia)
2014 Apr. 08.75 UT: m1=13.4 CCD, Dia.=1.0′, Tail= 3.2′ in PA: 33 deg ... 0.32-m f/7.4 Ritchey-Chretien + CCD... A. Novichonok & T. Prystavski (iTelescope observatory, Q62. Remotely Siding Spring, Australia)
2014 Mar. 30.40 UT: m1=14.1, Dia.=0.4′, DC=4... 30.5-cm L f/4.9 (250x)... Todd Augustyniak (Harmon, Illinois, USA) [Faint, difficult object with 30.5 -cm telescope... averted vision required]
2014 Mar. 29.10 UT: m1=14.0, Dia.=0.4′, DC=3... 50.8-cm L (307x)... Sandor Szabo (Sopron, Hungary)
2014 Feb. 28.51 UT: m1=13.5 CCD, Dia.=0.75′... 0.1-m f/5.0 astrograph + CCD... A. Novichonok & T. Prystavski (iTelescope observatory, H06. Remotely Mayhill, U.S.A.)
2013 Nov. 27.75 UT: m1=12.9, Dia.=0.6′, DC=4... 50.8-cm L (123x)... Sandor Szabo (Sopron, Hungary)
2013 Oct. 30.81 UT: m1=12.3, Dia.=2.3′, DC=3/... 35-cm L (107x)... Jakub Cerny (Senohraby, Czech Republic)
2013 Oct. 26.74 UT: m1=13.5, Dia.=0.6′, DC=5... 40.0 -cm refl. (250x)... Sandor Szabo (Sopron, Hungary)
2013 Oct. 12.42 UT: m1=13.4, Dia.=0.3′, DC=4... 40.0-cm L f/4.5 (257x)... Seiichi Yoshida (Gunma, Japan)
2013 Oct. 11.44 UT: m1=13.8, Dia.=0.8′, DC=5... 40.0-cm L f/4.5 (257x)... Seiichi Yoshida (Gunma, Japan)
2013 Oct. 03.91 UT: m1=12.4, Dia.=1.3′, DC=4... 50.8-cm refl. (189x)... Sandor Szabo (Hungary)
2013 Oct. 03.84 UT: m1=12.9, Dia.=1.3′, DC=5/... 35-cm L (107x)... Jakub Cerny (Senohraby, Czech Republic)
2013 Oct. 02.88 UT: m1=11.9, Dia.=1′... 32-cm reflector... Uwe Pilz (Leipzig, Germany)
2013 Oct. 01.83 UT: m1=13.0, Dia.=1.1′, DC=4... 35-cm L (107x)... Jakub Cerny (Senohraby, Czech Republic)
2013 Oct. 01.12 UT: m1=[11.5, NEGATIVE... 15-cm SCT (75x)... Salvador Aguirre (Hermosillo, Sonora, Mexico)
2013 Sep. 29.83 UT: m1=12.7, Dia.=1.1′, DC=5... 35-cm L (107x)... Jakub Cerny (Senohraby, Czech Republic)
2013 Sep. 21.39 UT: m1=12.6 CCD, Dia.=1.4′, Tail= 1.6′ in PA: 44 deg ... 0.11-m f/5.0 refractor + CCD... A. Novichonok & T.Prystavski (iTelescope observatory, Q62. Remotely Siding Spring, Australia)
2013 Sep. 14.25 UT: m1=13.2, Dia.=0.8′, DC=4... 30.5-cm L f/4.9 (150x)... Todd Augustyniak (Green River State Wildlife Area, Harmon, Illinois, USA)
2013 Sep. 08.25 UT: m1=12.8: CCD, Dia.=1.1′, Tail= 0.8′ in PA: 60 deg ... 0.11-m f/5.0 refractor + CCD... A. Novichonok & T.Prystavski (iTelescope observatory, H06. Remotely Mayhill, U.S.A.)
2013 Sep. 07.88 UT: m1=13.0, Dia.=0.9′, DC=3/... 42-cm L f:5 (81x)... Martin Lehky (Hradec Kralove, Czech Republic)
2013 Sep. 07.16 UT: m1=13.3, Dia.=0.8′, DC=4/... 30.5-cm L f/4.9 (115x)... Todd Augustyniak (Afton Forest Preserve, Dekalb, Illinois USA)
2013 Sep. 06.92 UT: m1=13.1, Dia.=1.3′, DC=4... 35-cm reflector (107x)... Jakub Cerny (Senohraby, Czech Republic)
2013 Sep. 06.89 UT: m1=12.7, Dia.=0.7′, DC=6... 50.8-cm L (78x)... Sandor Szabo (Hungary)
2013 Sep. 06.88 UT: m1=13.0, Dia.=0.9′, DC=3... 42-cm L f:5 (81x)... Martin Lehky (Hradec Kralove, Czech Republic)
2013 Sep. 05.88 UT: m1=13.3, Dia.=0.7′, DC=3/... 42-cm L f:5 (81x)... Martin Lehky (Hradec Kralove, Czech Republic)
2013 Sep. 04.90 UT: m1=13.1, Dia.=1.0′, DC=3/... 35-cm reflector (239x)... Jakub Cerny (Senohraby, Czech Republic)
2013 Sep. 02.77 UT: m1=12.7, Dia.=0.7′, DC=3... 20-cm L (222x)... Artyom Novichonok (TAU station, Northern Caucasus, Russia)
2013 Aug. 29.92 UT: m1=13.2, Dia.=0.8′, DC=3/... 35-cm reflector (239x)... Jakub Cerny (Senohraby, Czech Republic)
2013 Aug. 27.87 UT: m1=12.6 CCD + V filter, Dia.=0.5′, DC=6... 15-cm L f/4 (6x30s)... Mieczyslaw Leszek Paradowski (Dabrowa, Poland)[Stacking and photometry: IRIS. Catalog UCAC4 – 4 comparison stars with B-V=0.63-0.73]
2013 Aug. 24.13 UT: m1=13.6 CCD, Dia.=0.5’... CCD images unfiltered... Clermont Vallière (Cd’OA Monts Notre-Dame, Québec, Canada) [comparison star 3UCAC 233-196181 mag.=15.19]
2013 Aug. 19.09 UT: m1=13.9 CCD, Dia.=0.4’... CCD images unfiltered... Clermont Vallière (Cd’OA Monts Notre-Dame, Québec, Canada) [comparison star 3UCAC 235-205572 mag.=14.67]
2013 Aug. 15.24 UT: m1=14.0 CCD, Dia.=0.4’... CCD images unfiltered... Clermont Vallière (Cd’OA, Monts Notre-Dame, Québec, Canada) [comparison star 3UCAC 236-206618 mag.=13.78]
2013 Aug. 11.15 UT: m1=13.2, Dia.=0.8′, DC=4/... 30.5-cm L (250x)... Todd Augustyniak (Coral Woods Conservation Area, Marengo, Illinois, USA)
2013 Aug. 06.81 UT: m1=12.6, Dia.=0.5′, CD=3... 25.4-cm L (240x)... Danil Sidorko (Korenovsk, Russia)
2013 Aug. 05.96 UT: m1=12.3, Dia.=1.0′, DC=3... 50.8-cm L (78x)... Sandor Szabo (Hungary)
2013 Aug. 05.92 UT: m1=12.8, Dia.=0.8′, DC=3/... 35-cm reflector (239x)... Jakub Cerny (Senohraby, Czech Republic)
2013 Aug. 02.41 UT UT: m1=12.7: CCD, Dia.=1.24′, Tail= 1.3′ in PA: 50 deg ... 0.11-m f/5.0 refractor + CCD... A. Novichonok & T. Prystavski (iTelescope observatory H06. Remotely Mayhill, U.S.A.)
2013 July 31.99 UT: m1=13.0, Dia.=0.8′, DC=3/... 35-cm reflector (239x)... Jakub Cerny (Senohraby, Czech Republic)
2013 July 17.97 UT: m1=12.1, Dia.=1.7′, DC=4... 42-cm L f:5 (81x)... Martin Lehky (Hradec Kralove, Czech Republic)
2013 July 15.96 UT: m1=12.1, Dia.=1.8′, DC=4... 42-cm L f:5 (81x)... Martin Lehky (Hradec Kralove, Czech Republic)
2013 July 13.85 UT: m1=13.1, Dia.=<0.5′... 25.4-cm L (120x, 240x)... Danil Sidorko (Korenovsk, Russia)
2013 July 09.98 UT: m1=11.9, Dia.=1.8′, DC=4... 42-cm L f:5 (81x)... Martin Lehky (Hradec Kralove, Czech Republic)
2013 July 08.98 UT: m1=11.9, Dia.=1.8′, DC=3/... 42-cm L f:5 (81x)... Martin Lehky (Hradec Kralove, Czech Republic)
2013 July 08.96 UT: m1=12.8, Dia.=0.8’, DC=6... 50.8-cm L (250x)... Sandor Szabo (Hungary) [Coma is elongated]
2013 July 08.36 UT: m1=12.9: CCD, Dia.=0.99′, Tail= 1.2′ in PA: 44 deg ... 0.11-m f/5.0 refractor + CCD... A. Novichonok & T.Prystavski (iTelescope observatory H06. Remotely Mayhill, U.S.A.)
2013 July 07.96 UT: m1=11.9, Dia.=1.7′, DC=3/... 42-cm L f:5 (81x)... Martin Lehky (Hradec Kralove, Czech Republic)
2013 July 06.99 UT: m1=11.5, Dia.=1′, DC=s5... 32-cm L F/5 (96x)... Uwe Pilz (Leipzig, Germany)
2013 July 06.51 UT: m1=13.2, Dia.=0.6’, DC=1... 25-cm L f:5 (83x)... Chris Wyatt (Walcha, NSW, Australia) [Coma very difficult to detect even using magnification of x167, no central condensation. Comet observed at 13.4° altitude]
2013 July 03.98 UT: m1=11.8, Dia.=0.7′, DC=D8... 25-cm L (133x)... Gábor Sánta (Tarján, Komárom-Esztergom) [Sharp-edged coma with little haze around it.]
2013 June 15.07 UT: m1=12.9, Dia.=0.7′, 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 AP:ASS. Cielo muy claro de montaña]
2013 June 11.98 UT: m1=13.8, Dia.=0.6′, DC=7... 50.8-cm L (250x)... Sandor Szabo (Hungary)
2013 May  17.74 UT: m1=13.0, Dia.=0.9’, DC=3... 25-cm L f:5 (83x)... Chris Wyatt (Walcha, NSW, Australia) [Coma small, diffuse edges with slightly brighter core but not stellar, no tail, averted vision.]
2013 May  14.73 UT: m1=13.4, Dia.=0.7’, DC=0/1... 25-cm L f:5 (83x)... Chris Wyatt (Walcha, NSW, Australia) [Coma small and diffuse, averted vision. Sky transparency average, difficult to see comet at times]
2013 May  11.05 UT: m1=12.9, Dia.=0.7′, DC=5... 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 AP:ASS cercana al cometa. Observación realizada en mejores condiciones, desde una ubicación más elevada de montaña, percibiendo un mayor diámetro de coma y una m1 más brillante, respecto a mi estimación previa de Mayo 4.11]
2013 May  10.75 UT: m1=12.9, Dia.=0.6’, DC=1/2... 25-cm L f:5 (83x)... Chris Wyatt (Walcha, NSW, Australia) [Coma is very small and diffuse, visible using direct and averted vision. Coma does not enhance with Swan Band filter]
2013 May  04.11 UT: m1=13.3, Dia.=0.5′, DC=5... 20-cm SCT (222x)... Juan José González (Puerto de Aralla, alt. 1500 m, León, España) [Estrellas de campo comprobadas en el DSS. Estrellas de comparación de la fotometría AP:ASS cercana al cometa. Cielo muy claro de montaña]
2013 Apr. 20.15 UT: m1=13.1, Dia.=0.4′, DC=5... 20-cm SCT (206x)... Juan José González (Puerto de Aralla, alt. 1530 m, León, España) [Estrellas de campo comprobadas en el DSS. Estrellas de comparación de la fotometría AP:ASS cercana al cometa. Cielo muy claro de montaña]
2012 Jan. 06.08 UT: m1=13.9 V ccd, Dia.=0.6′, Tail= 0.7′ in PA: 54 deg ... 11-cm R + CCD... Artyom Novichonok (remotely from Mayhill, U.S.A.)
2012 Dec. 16.71 UT: m1=[13.0... 20-cm L (222x)... Artyom Novichonok (Konchezero, Russia)
2012 Nov. 13.73 UT: m1=12.8, Dia.=1′... 32-cm reflector... Uwe Pilz (Leipzig, Germany)
2012 Nov. 06.94 UT: m1=13.0, Dia.=0.7′, DC=5... 20-cm SCT (160x)... Juan José González (Pandorado, alt. 1190 m, León, España) [Estrellas de campo comprobadas en el DSS. Estrellas de comparación de la fotometría Henden de Z Umi. Cielo muy claro de montaña]
2012 Sep. 15.00 UT: m1=13.5, Dia.=0.8′, DC=5... 35.6-cm L (133x)... Artyom Novichonok (Shadzhatmaz, Caucasus, Russia)
2012 Sep. 14.01 UT: m1= 13.5 : DC = 4... Visual 36″ F/3.5... Jean-François Viens (Centre d’Observation Astronomique des Monts Notre-Dame, Québec, Canada)
2012 Sep. 13.90 UT: m1=13.5, Dia.=1′... 32-cm reflector... Uwe Pilz (Leipzig, Germany)
2012 Sep. 13.84 UT: m1=13.3, Dia.=0.9′, DC=7... 35-cm reflector (107x)... Jakub Cerny (Senohraby, Czech Republic)
2012 Sep. 12.98 UT: m1=13.4, Dia.=0.7′, DC=5/... 35.6-cm L (133x)... Artyom Novichonok (Shadzhatmaz, Caucasus, Russia)
2012 Sep. 11.79 UT: m1=13.7, Dia.=0.7′, DC=5... 35.6-cm L (133x)... Artyom Novichonok (Shadzhatmaz, Caucasus, Russia) [Small and faint]
2012 Sep. 09.86 UT: m1=13.2, Dia.=0.5′, DC=6... 50.8-cm L (189x)... Sandor Szabo (Sopron, Hungary) [With 312x the western part of the coma is brighter.]
2012 Sep. 08.84 UT: m1=13.2, Dia.=1.2′, DC=7... 35-cm reflector (64x)... Jakub Cerny (Senohraby, Czech Republic)
2012 Aug. 21.96 UT: m1=13.0, Dia.=0.5′, 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 AP:ASS cercana al cometa]
2012 Aug. 19.68 UT: m1=13.8, Dia.=0.8′, DC=6... 40.0-cm L f/4.5 (144x)... Seiichi Yoshida (Gunma, Japan)
2012 Aug. 18.86 UT: m1=12.6, Dia.=0.5′... 32-cm reflector... Uwe Pilz (Leipzig, Germany)
2012 July 26.89 UT: m1=13.8, Dia.=0.5′, DC=2... 32-cm L f:5 (144x)... Uwe Pilz (Leipzig, Germany)
2012 July 21.00 UT: m1=13.1, Dia.=0′.7, DC=6... 35-cm reflector (219x)... Jakub Cerny (Korcula Island, Croatia)
2012 July 19.95 UT: m1=13.3, Dia.=0′.8, DC=5... 35-cm reflector (117x)... Jakub Cerny (Korcula Island, Croatia)
2012 July 19.11 UT: m1=13.5, DC=4... Visual 36″ F/3.5... Jean-François Viens (Centre d’Observation Astronomique des Monts Notre-Dame, Québec, Canada)
2012 July 16.97 UT: m1=13.0, Dia.=0′.7, DC=7/... 35-cm reflector (117x)... Jakub Cerny (Korcula Island, Croatia)
2012 July 16.94 UT: m1=13.2, Dia.=0.8′, DC=6... 20-cm SCT (206x)... Juan José González (Pandorado, 1190 m alt., León, España)[Estrellas de campo comprobadas en el DSS. Estrellas de comparación de la fotometría AP:ASS cercana al cometa]
2011 Nov. 25.41 UT: m1=13.6, Dia.=0.6′, DC=6... 40.0-cm L f/4.5 (144x)... Seiichi Yoshida (Gunma, Japan)
2011 Nov. 24.59 UT: m1=13.6, Dia.=0.3′, DC=6... 40.0-cm L f/4.5 (257x)... Seiichi Yoshida (Gunma, Japan)
2011 Oct. 07.75 UT: m1=14.3, Dia.=0.3′, DC=6... 40-cm L f/4.5 (257x)... Seiichi Yoshida (Gunma, Japan)
2011 Aug. 31.95 UT: m1=14.0:, Dia.=0.3′, DC=6... 25.4-cm reflector (171x)... Vyacheslav Ivanov (Melovoe, Russia)
2011 Aug. 06.90 UT: m1=13.7, Dia.=0.7′, DC=4... 25.4-cm reflector (340x)... Vyacheslav Ivanov (Melovoe, Russia)
2011 Aug. 04.03 UT: m1=13.5, Dia.=0.8′, DC=5... 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 cerca de Z UMi. Cielo muy claro de montaña]