240P/NEAT

240P/NEAT
2017 Sep. 27.62 UT: m1=14.1, Dia.=0.7’, DC=3, ... 25-cm L f:5 (83x) ... Chris Wyatt (Walcha, NSW, Australia) [Very diffuse, slight brightening to centre, appears more condensed in good seeing. Comparison stars checked using APASS data in Guide 9.0; Method= S; Cat= AQ]
2017 Sep. 21.72 UT: m1=14.2, Dia.=0.7’, DC=3, ... 25-cm L f:5 (83x) ... Chris Wyatt (Walcha, NSW, Australia) [Difficult, visible in periods of good seeing. Diffuse coma. Comparison stars checked using APASS data in Guide 9.0; Method= S; Cat= AQ]
2017 Sep. 19.45 UT: m1=14.0, Dia.=1.1’, DC=3, ... 25-cm L f:5 (83x) ... Chris Wyatt (Walcha, NSW, Australia) [Coma very diffuse, slight brightening to centre. Comparison stars checked using APASS data in Guide 9.0; Method= S; Cat= AQ]
2017 Sep. 15.46 UT: m1=14.0, Dia,=1’; DC=3, ... 25-cm L f:5 (83x) ... Chris Wyatt (Walcha, NSW, Australia) [Coma very diffuse, slight brightening to centre. Comparison stars checked using APASS data in Guide 9.0; Method= S; Cat= AQ]
2017 Sep. 01.74 UT: m1=14.0, Dia.=0.8’, DC=3, ... 25-cm L f:5 (83x) ... Chris Wyatt (Walcha, NSW, Australia) [Coma diffuse, opaque centre. Comparison stars checked using APASS data in Guide 9.0; Method= S; Cat= AQ]
2011 Apr. 23.24 UT: m1=15.0 CCD, Dia.=0.6′... 21-cm R + CCD... A. Novichonok & D. Chestnov (remotely Tzec Maun observatory, Mayhill, USA)
2010 Dec. 17.22 UT: m1=14.0, Dia.=0.6′, DC=5... 20-cm SCT (133x)... Juan José González (Aralla, alt. 1440 m., León, España) [Estrellas de campo comprobadas en el DSS. Estrellas de comparación tomadas de la fotometría Henden del sector de AK Cnc. Cielo muy claro de montaña]
2010 Dec. 04.80 UT: m1=14.6, Dia.=0.4′, DC=4... 40-cm L f:4 (144x)... Seiichi Yoshida (Kita-karuizawa, Gunma, Japan)
2010 Sep. 19.00 UT: m1=16.5 CCD, Dia.=0.27′, DC=8/, Tail= 0.84′ in PA: 262 deg ... 41-cm L f/3.8 +CCD... Sergey Shurpakov (Belarus)
Advertisements