
Hα| 0bject | Sh2-157 Emission nebula and NGC 7510 Open cluster in Cassiopeia |
| Date | August 24, 2013 |
| Exposure | HαRGB 120:60:60:50 (Hα combined with Red and used for Luminance) |
| Camera | STL11000M with AstroDon Gen II filters (water-assisted cooling) |
| Telescope | ASA 10N f/3.7 on AP900GTO CP3 |
| Guiding | Remote guide head with MiniBorg 50 mm |
| Processing | MaximDL, Photoshop CS5, GradientXterminator, AstroActions |
| Comments | Moderate seeing; nearly full moon in the sky |