M81, M82, and NGC 3077
Date: December 24, 2009
Constellation: Ursa Major
Location: Pearson College Observatory, BC
Optics: TeleVue NP-127is f/5.2
Mount: Losmandy G-11
Camera: Hutech modified Canon EOS 5D Mark II
Exposure: 43 RAW light frames of 120 seconds, ISO 800
Processing: Light frames calibrated with 20 dark frames and 25 flat frames in ImagesPlus. Background neutralized, light frames combined using MinMax Excluded, and background smoothing applied.