209P/LINEAR

209P/LINEAR
2014 Aug. 07.50 UT: m1=17.3 CCD... 0.32-m f/7.4 Ritchey-Chretien + CCD... A. Novichonok & T. Prystavski (iTelescope observatory, Q62 remotely from Siding Spring, Australia)
2014 July 26.52 UT: m1=17.0 CCD... 0.43-m f/6.8 astrograph + CCD... A. Novichonok & T.Prystavski (iTelescope observatory, Q62 remotely from Siding Spring, Australia)
2014 July 19.57 UT: m1=17.1 CCD... 0.32-m f/7.4 Ritchey-Chretien + CCD... A. Novichonok & T. Prystavski (iTelescope observatory, Q62 remotely from Siding Spring, Australia)
2014 July 11.40 UT: m1=16.4: CCD... 0.32-m f/7.4 Ritchey-Chretien + CCD... A. Novichonok & T. Prystavski (iTelescope observatory, Q62. Remotely from Siding Spring, Australia) [Uncertainty of estimates related to the presence of the Moon – Moon Phase 0.98]
2014 July 10.38 UT: m1=16.4: CCD... 0.32-m f/7.4 Ritchey-Chretien + CCD... A. Novichonok & T. Prystavski (iTelescope observatory, Q62. Remotely from Siding Spring, Australia) [Uncertainty of estimates related to the presence of the Moon – Moon Phase 0.94]
2014 July 08.62 UT: m1=16.2 CCD... 0.50-m f/6.8 astrograph + CCD + focal reducer... A. Novichonok & T. Prystavski (iTelescope observatory, Q62. Remotely from Siding Spring, Australia)
2014 June 25.39 UT: m1=15.5 CCD, Tail= 0.8′ in PA: 36 deg ... 0.32-m f/7.4 Ritchey-Chretien + CCD... A. Novichonok & T. Prystavski (iTelescope observatory, Q62 Remotely from Siding Spring, Australia)
2014 June 05.58 UT: m1=12.4 CCD, Dia.=0.5′, Tail=&1.2′ in PA: 82 deg ... 0.32-m f/7.4 Ritchey-Chretien + CCD... A. Novichonok & T. Prystavski (iTelescope observatory, Q62 remotely from Siding Spring, Australia))
2014 June 02.16 UT: m1=12.8, Dia.=0.5′... DC=6/... 41-cm L (70x)... Alan Hale (Cloudcroft, New Mexico, USA) [There is still a pretty strong central condensation, but the rest of the coma seems a bit more prominent relative to that compared to what it has been]
2014 May  30.92 UT: m1=12.0:... 18-cm L (57x)... Alexandre Amorim (Florianopolis, Brazil)
2014 May  31.18 UT: m1=[11.4, negative... 15-cm SCT (75x)... Salvador Aguirre (Hermosillo, Sonora, Mexico)
2014 May  31.04 UT: m1=12.2, Dia.=0.8′, DC=7... 22-cm L (160x)... Marco Antonio Coelho Goiato (Araçatuba, Brazil)
2014 May  30.88 UT: m1=12.1, Dia.=0.6′, DC=7, no tail... 20-cm SCT (118x)... Carlos Labordena (Castellón, España)
2014 May  29.96 UT: m1=11.8, Dia.=1′, DC=7... 22-cm L (160x)... Marco Antonio Coelho Goiato (Araçatuba, Brazil) [strongly condensed, fast moviment through the stars, aproximately 12 ar-cmin in 30 minutes]
2014 May  29.92 UT: m1=12.0:, DC=7... 18-cm L (57x)... Alexandre Amorim (Florianopolis, Brazil)
2014 May  29.37 UT: m1=12.7, Dia.=0.7′, DC=7: 25.4-cm L (114x)... David A. J. Seargent (Cowra, NSW, Australia) Almost star-like central condensation. More coma visible than previous evening.
2014 May  29.36 UT: m1=12.4 CCD, Dia.=0.6′, Tail=&7′ in PA: 106 deg ... 0.32-m f/7.4 Ritchey-Chretien + CCD... A. Novichonok & T. Prystavski (iTelescope observatory, Q62 remotely from Siding Spring, Australia) [comet is on the edge of the image, so the real tail length may be underestimated]
2014 May  29.34 UT: m1=12.9, Dia.=0.7’, DC=6... 25-cm L f:5 (83)... Chris Wyatt (Walcha, NSW, Australia) [Narrow tail 1.3’ in length in P.A. 100° approximately, around 0.5′ in width. Outer coma diffuse and small with bright stellar central condensation, m2 approximately mag 13.3. Rapid motion of 2.5’ in a 6 minute observing period]
2014 May  29.17 UT: m1=12.8, Dia.=0.7′... 41-cm L (70x)... Alan Hale (Cloudcroft, New Mexico, USA)
2014 May  29.03 UT: m1=12.0:... 18-cm L (57x)... Alexandre Amorim (Florianopolis, Brazil)
2014 May  28.52 UT: m1=13.0, Dia.=<1′: 25.4-cm L (114x)... David A. J. Seargent (Cowra, NSW, Australia) [Appeared almost like a faint star under poor seeing at 114X. Seemed more diffuse but more difficult at 190X. Very rapid motion obvious in real time]
2014 May  27.19 UT: m1=12.7, Dia.=0.8′... 41-cm L (70x)... Alan Hale (Cloudcroft, New Mexico, USA)
2014 May  27.18 UT: m1=12.9 CCD, Dia.=0.62′, Tail= 23′ in PA: 105 deg ... 0.1-m f/5.0 astrograph + CCD... A. Novichonok & T. Prystavski (iTelescope observatory, H06 (remotely Mayhill, U.S.A.)
2014 May  26.37 UT: m1=13.1, Dia.=1’, DC=5/... 25-cm L f:5 (83x)... Chris Wyatt (Walcha, NSW, Australia) [Inner coma shows hints of stellaring at centre in periods of good seeing, outer coma quite even in brightness and diffused. Hazy conditions, hint of an elongation to the East approximately. Motion of approximately 4’ to the SSE, noticeable over a 10 minute period]
2014 May  24.16 UT: m1=[11.0, negative... 15-cm SCT (75x)... Salvador Aguirre (Hermosillo, Sonora, Mexico)
2014 May  24.15 UT: m1=13.2, Dia.=0.8′, DC=3/... 30.5-cm L f/4.9 (150x)... Todd Augustyniak (Marengo Ridge Conservation Area, Marengo, Illinois, USA) [First observation... prior attempts from the outer suburbs of Chicago were unsuccessful. Darker skies and higher contrast were needed to see 209P/ as the comet is quite diffuse away from a tiny condensed core best glimpsed with averted vision.  False nucleus estimated at m2=14.6... faintest star visible in the same field at higher power (250x) was 14.9 magnitude.  Rapid motion... viewed comet for an hour.  Of the two, 134P/ was a bit easier to see.]
2014 May  23.88 UT: m1=13.2 CCD, Dia.=1.11′, Tail=25′ in PA: 111 deg.... 0.15-m f/7.3 refractor + CCD... A. Novichonok & T.Prystavski (AstroCamp Observatory, I89 remotely from Nerpio, Spain)
2014 May  22.88 UT: m1=13.3 CCD, Dia.=0.94′, Tail=27.8′ in PA: 109 deg.... 0.15-m f/7.3 refractor + CCD... A. Novichonok & T.Prystavski (AstroCamp Observatory, I89 remotely from Nerpio, Spain)
2014 May  22.38 UT: m1=13.4, Dia.=1’, DC=2... 25-cm L f:5 (83x)... Chris Wyatt (Walcha, NSW, Australia) [Coma very diffuse with small bright inner coma. Observed over 35 minute period, rapid motion very noticeable. Thin hazy cloud passing through field made observation difficult, low altitude = 14.5°]
2014 May  21.90 UT: m1=13.5 CCD, Dia.=0.9′, Tail= 9.5′ in PA: 107 deg ... 0.15-m f/7.3 refractor + CCD... A. Novichonok & T.Prystavski (AstroCamp Observatory, I89 remotely from Nerpio, Spain)
2014 May  20.88 UT: m1=13.7 CCD, Dia.=0.8′, Tail= 15.5′ in PA: 108 deg ... 0.15-m f/7.3 refractor + CCD... A. Novichonok & T.Prystavski (AstroCamp Observatory, I89 remotely from Nerpio, Spain)
2014 May  19.88 UT: m1=13.7 CCD, Dia.=0.8′, Tail= 10′ in PA: 107 deg ... 0.15-m f/7.3 refractor + CCD... A. Novichonok & T.Prystavski (AstroCamp Observatory, I89 remotely from Nerpio, Spain)
2014 May  19.87 UT: m1=14.5, Dia.=0.4’, DC=7... 50.8-cm L (307x)... Sandor Szabo (Sopron, Hungary) [Comet is droplike to PA 110 deg, 0.7’. There is a false starlike nucleus with 15.3 magnitude]
2014 May  16.87 UT: m2=14.3 CCD, Dia.=0.62′, Tail= 6.2′ in PA: 106 deg ... 0.15-m f/7.3 refractor + CCD... A. Novichonok & T. Prystavski (AstroCamp Observatory, I89 remotely from Nerpio, Spain)
2014 May  12.87 UT: m2=14.6: CCD, Dia.=&0.5′, Tail= 2.9′ in PA: 101 deg ... 0.15-m f/7.3 refractor + CCD... A. Novichonok & T. Prystavski (AstroCamp Observatory, I89 remotely from Nerpio, Spain) [uncertainty in brightness and coma diameter due to the full Moon]
2014 May  08.12 UT: m1=15.6 CCD, Dia.=0.3’... CCD images unfiltered... Pierre Laporte (Cd’OA des Monts Notre-Dame, Québec, Canada)
2014 May  06.15 UT: m1=[11.0, negative ... 15-cm SCT (75x)... Salvador Aguirre (Hermosillo, Sonora, Mexico)
2014 May  04.24 UT: m1=15.6: CCD, Tail=&1.2′ in PA: 94 deg ... 0.43-m f/6.8 astrograph + CCD + f/4.5 focal reducer... A. Novichonok & T. Prystavski (iTelescope observatory, H06 remotely Mayhill, U.S.A.) [very close to a bright star HD 71088 visual magnitude 5.9. Coma is invisible]
2014 May  03.54 UT: m1=[14.3 negative... 40.0-cm L f/4.5 (257x)... Seiichi Yoshida (Gunma, Japan)
2014 Apr. 30.93 UT: m1=[15.2 NEGATIVE... 50.8-cm L (307x)... Sandor Szabo (Sopron, Hungary)
2014 Apr. 29.26 UT: m1=15.6 CCD, Dia.=0.37′, Tail= 1.4′ in PA: 101 deg ... 0.1-m f/5.0 astrograph + CCD... A. Novichonok & T. Prystavski (iTelescope observatory, H06 remotely Mayhill, U.S.A.)
2014 Apr. 28.29 UT: m1=15.7 CCD, Tail= 1.0′ in PA: 99 deg ... 0.43-m f/6.8 astrograph + CCD + f/4.5 focal reducer... A. Novichonok & T. Prystavski (iTelescope observatory, H06 remotely Mayhill, U.S.A.)
2014 Apr. 22.16 UT: m1=[11.4, negative... 15-cm SCT (36x)... Salvador Aguirre (Hermosillo, Sonora, Mexico)
2014 Apr. 15.82 UT: m1=16.1 CCD, Dia.=0.24′, Tail= 1.3′ in PA: 95 deg ... 0.7-m f/4.0 reflector + CCD... S. Nazarov & T. Prystavski (Crimean Astrophysical Observatory, MPC 095 / Crimea-Nauchnij)
2014 Apr. 08.91 UT: m1=16.2 CCD, Dia.=0.24′, Tail=&0.5′ in PA: 97 deg ... 0.7-m f/4.0 reflector + CCD... S. Sergeev, V. Doroshenko & T. Prystavski (Crimean Astrophysical Observatory, MPC 095 Crimea-Nauchnij)
2014 Apr. 03.14 UT: m1=[11.4, negative... 15-cm SCT (36x)... Salvador Aguirre (Hermosillo, Sonora, Mexico)
2014 Mar. 28.92 UT: m1=[15.8, NEGATIVE ...50.8-cm L (307x)... Sandor Szabo (Sopron, Hungary)
2014 Mar. 25.38 UT: m1=16.5 CCD... 0.43-m f/6.8 astrograph + CCD + f/4.5 focal reducer... A. Novichonok & T.Prystavski (iTelescope observatory, H06. Remotely Mayhill, U.S.A.)
2014 Mar. 11.30 UT: m1=16.0 CCD, Dia.=0.22′, Tail= 0.2′ in PA: 69 deg ... 0.61-m f/6.5 astrograph + CCD... A. Novichonok & T. Prystavski (Sierra Remote Observatory, U69. Auberry, California, USA)
2014 Mar. 10.40 UT m1=16.5 CCD... 0.43-m f/6.8 astrograph + CCD + f/4.5 focal reducer... A. Novichonok & T. Prystavski (iTelescope observatory, H06. Remotely Mayhill, U.S.A.)
2014 Mar. 04.42 UT: m1=16.8 CCD... 0.43-m f/6.8 astrograph + CCD + f/4.5 focal reducer... A. Novichonok & T. Prystavski (iTelescope observatory, H06. Remotely Mayhill, U.S.A.)
2014 Feb. 23.33 UT: m1=17.0 CCD... 0.43-m f/6.8 astrograph + CCD + f/4.5 focal reducer... A. Novichonok & T. Prystavski (iTelescope observatory, H06. Remotely Mayhill, U.S.A.)
2014 Jan. 19.12 UT: m1=17.6 CCD... 0.43-m f/6.8 astrograph + CCD + f/4.5 focal reducer... A. Novichonok & T. Prystavski (iTelescope observatory, H06. Remotely Mayhill, U.S.A.)
Advertisements