| object | galaxies NGC 4631 (the whale), NGC 4656 (hockey stick) |
| constellation | Canes Venatici, the hunting dogs |
| equipment | ASA Astrograph 10" at f/2,8, Astro modified Canon EOS 40D |
| exposure | 24 x 300 sec at 800 ASA unguided |
| date | Apr 5, 2010 Engelhardsberg Germany |
| conditions | stars to 5m2, some clouds |
| image processing | DeepSkyStacker 3.3.2, Photoshop CS4, PixInsight 1.6 |
| remarks |