NGC 4236


object NGC 4236, galaxy
constellation Draco, the dragon
equipment ASA Astrograph 10" at f/2,8, Astro modified Canon EOS 40D
exposure 23 x 300 sec at 800 ASA unguided
date Apr 2, 2010 Engelhardsberg Germany
conditions stars to 5m2, some clouds
image processing DeepSkyStacker 3.3.2, Photoshop CS4, PixInsight 1.5