M97 and M108


object Owl nebula M97, galaxy M 108
constellation Ursa Major, the great bear
equipment ASA Astrograph 10" at f/2,8, Astro modified Canon EOS 40D
exposure 10 x 300 sec at 800 ASA unguided
date Mar 07 2010 Engelhardsberg Germany
conditions stars to 5m2
image processing DeepSkyStacker 3.3.2, Photoshop CS4, PixInsight 1.5