Hα | 0bject | Sh2-88 Emission nebula in Vulpecula (LBN 137 & 138) |
| Date | July 16-19, 2013 |
| Exposure | HαRGB 660:30:30:60 (Hα+R 75/25, Hα+B 5/95, cropped; 13 hours) |
| 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 to good seeing with 1st quarter moon low in SW; acquired with CCD Commander |