Here is my attempt at the Comet Lovejoy conjunction with M79 and NGC 1886 on 29th December 2014. The luminance data are based upon 5 sub frames, each an exposure of 2 minutes at 1x1 binning. The RGB data are based upon single exposures of 40, 40 and 60 seconds at 2x2 binning.
https://www.flickr.com/photos/mlparkinson/15973552558/