The comet C/2012 S1 ISON continues at mag 15.9R and shows a tail around 30 arc seconds long in position angle 90 degrees.
Comet ISON is potentially the "comet of the century" because it is expected to become very bright when approaching the perihelion.
ISON stands for International Scientific Optical Network, a group of observatories in ten countries organized to detect and track objects in space, it is managed by the Keldysh Institute of Applied Mathematics, part of the Russian Academy of Sciences.
References MPEC-2013-H27, CBET 3485 (subscribers)