273P/2012 V4 (Pons-Gambart)

273P/2012 V4 (Pons-Gambart)
2013 June 02.20 UT: m1=16.3 CCD, Dia.=0.6′... 0.11-m f/5.0 refractor + CCD... A. Novichonok & T.Prystavski (iTelescope observatory, H06 (remotely Mayhill, U.S.A.)
2013 June 01.26 UT: m1=16.1 CCD, Dia.=0.58′... 0.43-m f/4.5 astrograph + CCD... A. Novichonok & T.Prystavski (iTelescope observatory, H06, remotely Mayhill, U.S.A.)
2013 May  28.10 UT: m1=17.6 CCD... CCD images unfiltered... Clermont Vallière (Cd’OA des Monts Notre-Dame, Québec, Canada)
2013 May  27.15 UT: m1=17.4 CCD... CCD images unfiltered... Clermont Vallière (Cd’OA des Monts Notre-Dame, Québec, Canada)
2013 May  11.92 UT: m1=[14.0, Dia.=!0.5... 30-cm L f/5 (167x)...  Mieczyslaw Leszek Paradowski (Dabrowa, Poland) [Cat.(AQ), comet alt. 57 deg. Faintest star 15.1 mag (AQ) near the comet in FOV. The comet was not seen]
2013 Apr. 30.18 UT: m1=14.1 CCD, Dia.=1.5′... 0.11-m f/5.0 refractor + CCD... A. Novichonok & T.Prystavski (iTelescope observatory, H06 (remotely Mayhill, U.S.A.)
2013 Apr. 22.18 UT: m1=15.9 CCD... CCD images unfiltered... Clermont Vallière (Cd’OA des Monts Notre-Dame, Québec, Canada)
2013 Apr. 13.88 UT: m1=13.5, Dia.=1.8’, DC=1... 50.8-cm reflector (189x)... Sandor Szabo (Hungary)
2013 Apr. 07.76 UT: m1=13.6, Dia.=1.2′, DC=2... 40.0-cm L f/4.5 (144x)... Seiichi Yoshida (Ibaraki, Japan)
2013 Mar. 31.07 UT: m1=12.0, DC=2... Visual Aperture 36″ F/3.5... Jean-François Viens (Centre d’Observation Astronomique des Monts Notre-Dame, Québec, Canada)
2013 Mar. 20.11 UT: m1=13.0, Dia.=1.3’, DC=3... 50.8-cm L (187x)... Sandor Szabo (Hungary)
2013 Mar. 07.45 UT: m1=12.0, Dia.=1´, DC=8, Tail= Not visible... 15-cm SCT (37x)... Salvador Aguirre (Hermosillo, Sonora, Mexico)
2013 Mar. 06.03 UT: m1=12.3, Dia.=1′, DC=3... 25-cm L (77x)... Maciej Macidym (Chlebna, Poland) [Bad conditions, comet visible on bright background. NELM near comet was 5.5mag]
2013 Mar. 05.86 UT: m1=11.1 CAC... 500D + 200-mm lens f/2.8... Man-To Hui (Canton, China)
2013 Mar. 05.08 UT: m1=12.8, Dia.=2′, DC=3/... 42-cm L f:5 (81x)... Martin Lehky (Hradec Kralove, Czech Republic)
2013 Mar. 05.01 UT: m1=11.3, Dia.=5.8′, DC=3... 35-cm L (107x)... Jakub Cerny (Rep. Checa)
2013 Feb. 24.33 UT: m1=11.0, Dia.=2′, DC=3... 22-cm L (160x)... Marco Goiato (Araçatuba, Brasil)
2013 Feb. 17.47 UT: m1=11.2, Dia.=2.0′, DC=3... 30.5-cm L (115x)... Todd Augustyniak (Woodstock, Illinois, USA)
2013 Feb. 15.80 UT: m1=10.8, Dia.=2.1′, DC=5... 40-cm L f/4.5 (144x)... Seiichi Yoshida (Ibaraki, Japan)
2013 Feb. 11.17 UT: m1=10.8, Dia.=2′, DC=1... 32-cm L f/5 (144x)... Uwe Pilz (Leipzig, Germany)
2013 Feb. 09.19 UT: m1=9.6, Dia.=5′, DC=4, Tail= 0.1º in PA: 300º... 20-cm SCT (77x)... Juan José González (Peña Nebina – Ferreruela de Tábara, alt. 940 m, Zamora, España)
2013 Feb. 08.167 UT: m1=9.7, Dia.=5-6′, DC=d2-3, Tail= 0.16 deg. in PA:60-65 deg ... 0.13-m reflc. (26x, 54x)... Gabor Santa (Nagy-Hideg-hegy, Hungary)
2013 Jan. 20.27 UT: m1=8.7, Dia.=6′, DC=4, Tail= 0.3º en AP:310º ... 20-cm SCT (77x)... Juan José González (Perilla de Castro, alt. 730 m, Zamora, España) [Comienzo del crepúsculo astronómico. Altura sobre el horizonte: 15º. Cielo muy claro de montaña]
2012 Dec. 09.69 UT: m1=9.5, Dia.=2′, DC=5... 50.8-cm (164x)... Sandor Szabo (Sopron, Hungary)  [Alt. just 4 degrees, comet is a round patch]
2012 Dec. 08.95 UT: m1=8.9 (S), Dia.=2.5′, DC=4... 22-cm L (60x)... Marco Goiato (Araçatuba, Brasil) [Nautical twilight, comet altitude: 14º, sun altitude: -12º]
2012 Dec. 08.77 UT: m1=8.6, Dia.=5′, DC=4, Tail= 0.15º en AP:80º... 20-cm SCT (77x)... Juan José González (Alto del Trichero – Soto y Amío, alt. 1190 m, León, España )[ m2=11.3 (Tycho-2). Altura sobre el horizonte: 5º. Cielo muy claro de montaña. Estrellas de comparación a la misma baja altura que el cometa]
2012 Dec. 08.73 UT: m1=10.7, Dia.=3′, DC=3, Tail= not visible... 23.5-cm SCT (67x)... Carlos Labordena (Castellón, España)
2012 Dec. 06.43 UT: m1=9.4, Dia.=2.6’, DC=4... 25-cm L f:5 (39x)... Chris Wyatt (Walcha, NSW, Australia) [No tail, comet altitude low, bushfire smoke near horizon affected observation. Method=M. Cat=TK]
2012 Dec. 05.42 UT: m1=9.3, Dia.=2’, DC=5... 25-cm L f:5 (39x)... Chris Wyatt (Walcha, NSW, Australia) [Weak central condensation, small, diffuse and offset to the NE with coma appearing broad and fan-like from North to East by South-West. The inner coma enhances in Swan Band filter more so than the outer edges of the coma. Method=M... Cat=TK]
2012 Dec. 04.95 UT: m1=9.3, Dia.=3′, DC=4/... 25×100 B... Jose G. de S. Aguiar (Campinas, Brazil)
2012 Dec. 04.42 UT: m1=9.3, Dia.=2.5’, DC=4/5... 25-cm L f:5 (39x)... Chris Wyatt (Walcha, NSW, Australia) [Bright inner coma, almost stellar, slight elongation to WNW, coma brightness gradually falls off toward edges, enhances well in Swan Band filter. Method= M. Cat= TK]
2012 Dec. 04.08 UT: m1=10.2, Dia.=2´, DC=2, Tail= Not visible... 15-cm SCT (37x)... Salvador Aguirre (Hermosillo, Sonora, Mexico)
2012 Dec. 03.96 UT: m1=9.0 (S), Dia.=3′, DC=5... 22-cm L (60x)... Marco Goiato (Araçatuba, Brasil)
2012 Dec. 03.95 UT: m1=9.5, Dia.=3′, DC=4 ... 25×100 B... Jose G. de S. Aguiar (Campinas, Brazil)
2012 Dec. 03.455 UT: m1=9.5, Dia.=2′, DC=5... 11.4-cm f8 L (43x)... (Rob Kaufman, Bright, Vic, Australia) [Small coma moderately condensed, no tail visible... bright inner coma visible in brief glimpses in poor seeing... low elevation in west, sky brightness. Ref=NOMAD1 data in ViZier. Method=M]
2012 Dec. 02.77 UT: m1=9.1, Dia.=4′, DC=3/... 20-cm SCT (77x)... Juan José González (Alto del Trichero – Soto y Amío, alt. 1190 m, León, España) [Altura sobre el horizonte: 5º. Cielo muy claro de montaña. Estrellas de comparación a la misma baja altura que el cometa]
2012 Dec. 02.46 UT: m1=9.3, Dia.=3′, DC=5... 20-cm L (57x)... Michael Mattiazzo (Castlemaine, Victoria, Australia)
2012 Dec. 02.44 UT: m1=9.8, Dia.=2.0′, DC=4... 20-cm Dobson... Con Stoitsis (Clonbinane, Victoria, Australia)
2012 Dec. 02.43 UT: m1=10.4, Dia.=2′, DC=2/3, Tail= Not visible... 25×100 B... Will Godward (Moonta, South Australia, Australia)
2012 Dec. 02.35 UT: m1=10.5, Dia.=2′, DC=2, Tail= Not visible... 40-cm Dob f/4.5 (69x)... Will Godward (Moonta, South Australia, Australia)
2012 Dec. 02.03 UT: m1=11.2 CCD, Dia.=1.4′... 30.5-cm schmidt-cassegrain... Jakub Cerny [robotic telescope FRAM in Malargue, Argentina]