C2012/S1 ISON in Virgo, on Nov. 15, 2013 5:22am PST (Nov. 15, 13:22 UT). Imaged with a Pentax K-5
DSLR and an SMC Pentax-M 135mm F3.5 lens at f4, on a Ioptron Skytracker. This image is a
combination of 20 exposures at 30 seconds and an ISO of 1600 (taken from 5:10 am to 5:34 am).
Cropped and downsized from the original. The field of view is approximately 290 x 189 arc minutes.
Processed using Iris, Photoshop CS5 and PixInsight LE. North is up and East is to the left.