object | NGC 2244, the Rosette nebula |
constellation | Monoceros (Unicorn) |
equipment | ASA Astrograph 10" at f/2,8, Astro modified Canon EOS 40D, EOS Clip Filter H-Alpha 12nm |
exposure | 12 x 600 sec at 800 ASA unguided |
date | Dez 26, Dez 28 2009 Engelhardsberg Germany |
conditions | clouds, moon, stars to 3m5 |
image processing | DeepSkyStacker 3.3.2, Photoshop CS4, Fitswork4 |