C/2011 R1 (McNaught)

C/2011 R1 (McNaught)
2013 Aug. 03.36 UT: m1=15.7: CCD, Dia.=&0.6′ Tail= 2.3′ in PA: 167 deg ... 0.32-m f/7.4 Ritchey-Chretien + CCD... A. Novichonok & T. Prystavski (iTelescope observatory Q62. Remotely Siding Spring, Australia)
2013 July 08.89 UT: m1=14.8, Dia.=0.6’, DC=1... 50.8-cm L (307x)... Sandor Szabo (Hungary) [Fainter than last time]
2013 July 05.42 UT: m1=15.5 CCD, Dia.=0.81′, Tail=&7′ in PA: 152 deg ... 0.11-m f/5.0 refractor + CCD... A. Novichonok & T.Prystavski (iTelescope observatory Q62. Remotely Siding Spring, Australia)
2013 June 11.92 UT: m1=14.3, Dia.=1.3′, DC=2... 50.8-cm L (189x)... Sandor Szabo (Hungary)
2013 May  28.20 UT: m1= 15.8 CCD, Dia.=0.3’, Tail= 5.2′ PA: 1633°... CCD images unfiltered... Clermont Vallière (Cd’OA des Monts Notre-Dame, Québec, Canada)
2013 May  27.19 UT: m1= 14.7 CCD, Dia.=0.3’... CCD images unfiltered... Clermont Vallière (Cd’OA des Monts Notre-Dame, Québec, Canada)
2013 May  15.19 UT: m1=14.0 CCD, Dia.=0.4’, Tail= 12′ PA: 124°... CCD images unfiltered... Clermont Vallière (Cd’OA des Monts Notre-Dame, Québec, Canada)
2013 May  14.20 UT: m1=14.7 CCD, Dia.=0.4’, Tail= 4′ PA: 124°... CCD images unfiltered... Clermont Vallière (Cd’OA des Monts Notre-Dame, Québec, Canada)
2013 May  12.03 UT: m1=12.9, Dia.=1′, DC=2, no tail... 23.5-cm SCT (188x)... Carlos Labordena (Castellón, España)
2013 May  03.89 UT: m1=11.6, Dia.=1.5′, DC=1/... 32-cm L f/5 (72x)... Uwe Pilz (Leipzig, Germany)
2013 May  03.48 UT: m1=12.9, Dia.=1.5’, DC=1... 25-cm L f:5 (83x)... Chris Wyatt (Walcha, NSW, Australia) [Coma is very diffuse and difficult to see using averted vision. Atmospheric transparency below average due to smoke from town fires.]
2013 May  02.21 UT: m1=13.5 CCD, Dia.=0.4’, Tail= 12′ PA: 124° ... CCD images unfiltered... Clermont Vallière (Cd’OA des Monts Notre-Dame, Québec, Canada)
2013 May  02.16 UT: m1=13.0, DC=2... Visual 36″ F/3.5 … Jean-François Viens (Cd’OA des Monts Notre-Dame, Québec, Canada)
2013 Apr. 29.41 UT: m1=13.0, Dia.=1.5’, DC=2... 25-cm L f:5 (83x)... Chris Wyatt (Walcha, NSW, Australia) [No tail, coma very diffuse. Local sky conditions sub-average, a little hazy.]
2013 Apr. 22.73 UT: m1=12.8, Dia.=2’, DC=1... 25-cm L f:5 (83x)... Chris Wyatt (Walcha, NSW, Australia) [No tail, very diffuse, averted vision, does not enhance using Swan Band filter.]
2013 Apr. 22.29 UT: m1=9.7 CCD, Dia.=0.7’, Tail= 4,2′ PA: 172°... CCD images unfiltered... Clermont Vallière (Cd’OA des Monts Notre-Dame, Québec, Canada)
2013 Apr. 22.14 UT: m1=18.1 CCD, Dia.=0.6’, Tail= 8.2′ PA: 172°... CCD images unfiltered... Pierre Laporte (Cd’OA des Monts Notre-Dame, Québec, Canada)
2013 Apr. 18.28 UT: m1=14.7 CCD, Dia.=0.3’... CCD images unfiltered... Clermont Vallière (Cd’OA des Monts Notre-Dame, Québec, Canada)
2013 Apr. 13.89 UT: m1=13.0, Dia.=2.0’, DC=3... 50.8-cm reflector (189x)... Sandor Szabo (Hungary)
2013 Apr. 12.19 UT: m1=[12.0... 15-cm SCT (37x)... Salvador Aguirre (Hermosillo, Sonora, Mexico)
2013 Apr. 07.74 UT: m1=[13.0... 40.0-cm L f/4.5 (144x)... Seiichi Yoshida (Ibaraki, Japan)
2013 Abr. 07.05 UT: m1=12.4, Dia.=1′, DC=2, no cola... 23.5-cm SCT (94x)... Carlos Labordena (Castellón, España)
2013 Mar. 20.10 UT: m1=12.8, Dia.=1.3’, DC=2... 50.8-cm L (187x)... Sandor Szabo (Hungary)
2013 Mar. 09.28 UT: m1=12.3, Dia.=1′, DC=4... 22-cm L (160x)... Marco Goiato (Araçatuba, Brasil)
2013 Mar. 07.42 UT: m1=12.0, Dia.=2´, DC=2, Tail: Not visible... 15-cm SCT (37x)... Salvador Aguirre (Hermosillo, Sonora, Mexico)
2013 Feb. 15.81 UT: m1=12.6, Dia.=1.1′, DC=3... 40.0-cm L f/4.5 (144x)... Seiichi Yoshida (Ibaraki, Japan)
2013 Feb. 09.22 UT: m1=11.5, Dia.=2.0′, DC=3... 20-cm SCT (77x)... Juan José González (Peña Nebina – Ferreruela de Tábara, alt. 940 m, Zamora, España)
2013 Feb. 08.68 UT: m1=12.8, Dia.=1.7’, DC=2... 25-cm L f:5 (39x)... Chris Wyatt (Walcha, NSW, Australia) [Coma very diffuse, close to bright star, averted vision, no tail. Comparison stars checked using Tycho-2 data in Guide 9.0. Method=S. Cat=AU]
2013 Feb. 07.28 UT: m1=11.8, DC=8/... 18-cm L (57x)... Alexandre Amorim (Florianopolis, Brazil)
2013 Feb. 06.65 UT: m1=12.4, Dia.=1.5’, DC=2... 25-cm L f:5 (39x)... Chris Wyatt (Walcha, NSW, Australia) [Coma very diffuse with slight brightening to centre, averted vision. Comparison stars checked using Tycho-2 data in Guide 9.0. Method=S. Cat=AU]
2013 Feb. 02.28 UT: m1=11.9, DC=9... 18-cm L (57x)... Alexandre Amorim (Florianopolis, Brazil) [moonlight interference]
2013 Feb. 02.27 UT: m1=13.2 CCD, Dia.=0.8′... 30.5-cm SCT... Jakub Cerny (robotic telescope FRAM, Malargue, Argentina)
2013 Jan. 30.30 UT: m1=12.0, DC=8/... 18-cm L (57x)... Alexandre Amorim (Florianopolis, Brazil) [moonlight interference]
2013 Jan. 20.25 UT: m1=11.2, Dia.=2.0′, DC=2... 20-cm SCT (100x)... Juan José González (Perilla de Castro, alt. 730 m, Zamora, España) [Altura sobre el horizonte: 10º]
2013 Jan. 09.32 UT: m1=13.7 CCD, Dia.=0.5′... 30.5-cm SCT... Jakub Cerny (robotic telescope FRAM, Malargue, Argentina)
2012 Dec. 23.34 UT: m1=12.7 CCD, Dia.=0.6′... 30.5-cm SCT... Jakub Cerny (robotic telescope FRAM, Malargue, Argentina)
2012 Oct. 10.40 UT: m1=11.6, Dia.=2.2’, DC=0/1... 25-cm L f:5 (39x)... Chris Wyatt (Walcha, NSW, Australia) [Background star in vicinity making obs difficult, no tail, coma transparent with slight gradual brightening toward centre but broadly diffused. Comparison stars checked using APASS data in Guide 9.0. Method=S. Cat=AQ]
2012 Oct. 08.42 UT: m1=11.8... 25.5-cm L (71x)... David A. J. Seargent (Cowra, NSW, Australia) [Very vague and diffuse object of low surface brightness]
2012 Oct. 04.41 UT: m1=11.2, Dia.=2.3’, DC=0/1... 25-cm L f:5 (39x)... Chris Wyatt (Walcha, NSW, Australia) [Coma large and evenly diffuse although coma appears transparent, no tail. Comparison stars checked using APASS data in Guide 9.0. Method= S. Cat= AQ]
2012 Sep. 14.41 UT: m1=11.6, Dia.=4’, DC=2... 25-cm L f:5 (39x)... Chris Wyatt (Walcha, NSW, Australia) [Coma large and evenly diffuse, no tail, averted vision, inner half of coma slightly brighter than coma edges and uniformly diffuse. Comet situated in Coal Sack region, isolated from nearby stars which made observation easier than previous attempts. Comparison stars checked using APASS data in Guide 9.0. Method= S. Cat= AQ]
2012 Sep. 12.01 UT: m1=12.7 CCD, Dia.=0.6′... 30.5-cm schmidt-cassegrain... Jakub Cerny [robotic telescope FRAM in Malargue, Argentina]
2012 Sep. 11.01 UT: m1=12.3 CCD, Dia.=0.6′... 30.5-cm schmidt-cassegrain... Jakub Cerny [robotic telescope FRAM in Malargue, Argentina]
2012 Sep. 03.39 UT: m1=12.3, Dia.=0.8’, DC=1... 25-cm L f:5 (83x)... Chris Wyatt (Walcha, NSW, Australia) [Observation made difficult due to crowded starfield, coma is visible as a transparent haze using averted vision. Comparison stars checked using ASAS-3 data online. Method=S. Cat=AU]
2012 Aug. 25.70 UT: m1=12.5, Dia.=2.5′, DC3/... 30-cm Dobson... Con Stoitsis (Clonbinane, Victoria, Australia)
2012 Aug. 24.77 UT: m1=12.2, Dia.=3.2’, DC=2... 25-cm L f:5 (83x)... Chris Wyatt (Walcha, NSW, Australia) [Difficult to observe due to crowded star field, coma diffuse and quite transparent, no tail. Comparison stars checked using APASS data in Guide 9.0. Method=S. Cat=AQ]
2012 Aug. 06.40 UT: m1=11.5, Dia.=2.8’, DC=3... 25-cm L f:5 (39x)... Chris Wyatt (Walcha, NSW, Australia) [Coma diffuse, inner coma slightly brighter than outer edges. Comparison stars checked using Tycho-2 catalogue in Guide 9.0. Method= S. Cat= TK]
2012 Aug. 04.39 UT: m1=11.5, Dia.=1.6’, DC=3... 25-cm L f:5 (83x)... Chris Wyatt (Walcha, NSW, Australia) [Coma small and almost evenly diffuse, fading out at edges, background star in coma, moonlight interference (moon below horizon). Comparison stars checked using ASAS-3 data online. Method= S. Cat= AU]
2012 July 28.38 UT: m1=12.1 CCD, Dia.=0′.9... 30.5-cm schmidt-cassegrain + CCD... Jakub Cerny [remotly FRAM Malargue, Argentina]
2012 July 28.33 UT: m1=11.3 (S), Dia=1.5′, DC=3... 22-cm L (160x)... Marco Goiato (Araçatuba, Brasil)
2012 July 27.38 UT: m1=12.0 CCD, Dia.=1′.2... 30.5-cm schmidt-cassegrain + CCD... Jakub Cerny [remotly FRAM Malargue, Argentina]
2012 July 21.33 UT: m1=11.3 (S), Dia.=2′, DC=3... 22-cm L (160x)... Marco Goiato (Araçatuba, Brasil)
2012 July 16.76 UT: m1=11.9, Dia.=2’, DC=4/5... 25-cm L f:5 (39x)... Chris Wyatt (Walcha, NSW, Australia) [No tail, small central condensation, almost stellar. Uniform brightness across coma, enhances moderately with Swan Band filter. Comparison stars checked using Tycho-2 catalogue in Guide 9.0. Method= M. Cat= TK]
2012 June 30.35 UT: m1=11.8 (S), Dia.=1′, DC=4... 22-cm L (160x)... Marco Goiato (Araçatuba, Brasil)
2012 June 24.75 UT: m1=12.4, Dia.=2’, DC=4... 25-cm L f:5 (39x)... Chris Wyatt (Walcha, NSW, Australia) [No tail, central condensation appears tight but diffuse. Comparison stars checked using APASS data in Guide 9.0. Method= S. Cat= AQ]
2012 June 19.76 UT: m1=12.5, Dia.=1.6’, DC=5/6... 25-cm L f:5 (39x)... Chris Wyatt (Walcha, NSW, Australia) [No tail, inner coma brighter than the edges, Swan band filter enhances inner coma slightly, central condensation almost stellar. Comparison stars checked using APASS data in Guide 9.0. Method= S. Cat= AQ]
2012 June 18.76 UT: m1=12.1, Dia.=1.8’, DC=2/3... 25-cm L f:5 (39x)... Chris Wyatt (Walcha, NSW, Australia) [No tail, coma best visible using averted vision. Comparison stars checked using APASS data in Guide 9.0. Method= S. Cat= AQ]
2012 June 15.73 UT: m1=12.0, Dia.=2.5’, DC=3/4... 25-cm L f:5 (39x)... Chris Wyatt (Walcha, NSW, Australia) [No tail, does not enhance with Swan Band filter. Comparison stars checked using APASS data in Guide 9.0. Method= S. Cat= AQ]
2012 June 14.75 UT: m1=12.3, Dia.=2’, DC=3... 25-cm L f:5 (83x)... Chris Wyatt (Walcha, NSW, Australia) [No tail. Comparison stars checked using APASS data in Guide 9.0. Method= S. Cat= AQ]