Low Resolution 1094x730


object M 1, the Crab nebula
constellation Taurus
equipment ASA Astrograph 10" at f/2,8, Astro modified Canon EOS 40D, EOS Clip Filter H-Alpha 12nm
exposure 6 x 600 sec at 800 ASA unguided
date Nov 26 2009 Engelhardsberg Germany
conditions dust, moon, stars to 4m0
image processing DeepSkyStacker 3.3.2, Photoshop CS4, PixInsight 1.6