Comet 2011 R1 Mc Naught. 15 March, 2013.
Combination of 5, 3 minute images unfiltered.
SBIG STL-1001E CCD. 20" f/6.8 cassegrain at prime focus.
Comet 2011 R1 McNaught peaked at around 12th magnitude and remained around that brightness for much of 2013. By early 2013, the comet was fading steadily. At the time of the image below the comet was around 14th magnitude.