M 81


object(s) galaxy M 81 (center), M82 (top)
constellation Ursa Major, the great bear
equipment ASA Astrograph 10" at f/2,8, Astro modified Canon EOS 40D, ASA DDM85 mount
exposure 53 x 300 sec Light at 800 ASA, no Autoguiding
date Mar 08 2010, Feb 06 2011, Engelhardsberg Germany
conditions stars to 5m0 (both nights), high fog
image processing DeepSkyStacker 3.3.2, Photoshop CS4, PixInsight 1.6
remarks the "irregularities" in the background are branches of the Milky Way