Hα
Annotated| 0bject | NGC 1027 Open cluster & Sh2-190 Emission nebula in Cassiopeia |
| Date | August 27-28, 2013 |
| Exposure | HαRGB 435:30:30:30 (cropped) |
| 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 | Warm, humid but with steady seeing; acquired with CCD Commander |