
Sh2-138 1.5X crop | 0bject | Sh2-138 & 139 Emission Nebulae in Cepheus |
| Date | September 6-16, 2022 |
| Exposure | LHaRGB 225:190:65:65:65 (10.2 hours cropped) |
| Camera | STL11000M with AstroDon Gen II filters |
| Telescope | ASA 10N f/3.7 on AP900GTO CP3 |
| Guiding | Remote guide head with MiniBorg 50 mm |
| Processing | MaximDL, Photoshop CS6, Astronomy Tools, Topaz Denoise AI |
| Comments | Moderate seeing, moon in the sky for Ha; acquired with CCD Commander from Animas, NM |