C/2011 L4
Date: March 31, 2013
Location: Dominion Astrophysical Observatory, Victoria, BC
Optics: Canon EF 135mm f/2L USM
Mount: Vixen Polarie Star Tracker
Camera: Canon EOS 5D Mark III
Exposure: 16 light frames of 60 seconds, f/2, ISO 200
Processing: Light frames calibrated with dark and flat frames in ImagesPlus. Light frames normalized and combined using MinMax Excluded. Image cropped.