by Jon Talbot
This image of M81 and M82 was taken at the Winter Star Party in Feb 09. The luminance was taken on 27 Feb between 8pm and 2am. Color was taken on 28 Feb between 8pm and 2am. 6hrs of luminance and 6hrs of color. Color data binned 2x2. Scope: Stellarvue SV105 triplet with SSF2 field flattener. Camera: SBIG STL 11K running at -10C. Reduced with CCD Stack. Processed with PixInsight.