object | Abell 39, planetary nebula |
constellation | Hercules |
equipment | ASA Astrograph 10" at f/2,8, Astro modified Canon EOS 40D |
exposure | 48 x 300 sec at 800 ASA unguided |
date | Apr 8, 2010 Engelhardsberg Germany |
conditions | stars to 5m5 |
image processing | DeepSkyStacker 3.3.2, Photoshop CS4, PixInsight 1.6 |
remarks |