object | IC 443 |
constellation | Gemini |
equipment | ASA Astrograph 10" at f/2,8, Astro modified Canon EOS 40D |
exposure | 10 x 300 sec Light at 800 ASA, 4 x 600 sec HAlpha at 1600 ASA unguided |
date | Feb 08 2010 (Lights), Feb 20 2010 (HAlpha), Engelhardsberg Germany |
conditions | some clouds (cirrus), some light subframes were exposed before the beginning of astronomical twilight, shortly afterwards the fog came in, HAlpha with some clouds and moon, after 4 subframes cloudy |
image processing | DeepSkyStacker 3.3.2, Photoshop CS4, PixInsight 1.5 |
remarks | the bluish nebula on top is vdB 75 |