NGC 7023


object NGC 7023
constellation Cepheus
equipment ASA Astrograph 10" at f/2,8, Astro modified Canon EOS 40D
exposure 36 x 300 sec at 800 ASA unguided
date Jun 04, Jun 11, 2010 Engelhardsberg Germany
conditions June 04 stars to 5m5, later on moon above horizon, June 11 stars to 5m0, no astronomical twilight in June
image processing DeepSkyStacker 3.3.2, Photoshop CS4, PixInsight 1.6
remarks very noisy picture