Comet C2014 Q2 on December 25, 2014.
Paul Stewart, CC BY 2.0, via Wikimedia Commons or Flickr: https://flic.kr/p/pzUnFT
Christmas Comet C/2014 Q2
The clouds stopped data collection early, so not much tail. WO FLT132 refractor and QSI583wsg with 0.8x reducerFlickr