cometobservationsdatabase.wordpress.com
C/2011 J2 (LINEAR)
C/2011 J2 (LINEAR) 2015 Oct. 04.58 UT: m1=16.5: CCD, Dia.=&0.4′… [T31] 0.50-m f/6.8 astrograph + CCD + focal reducer… A. Novichonok & T. Prystavski (iTelescope observatory, Q62 …