1.5X Crop | 0bject | NGC 7139 Planetary nebula in Cepheus |
| Date | September 30, 2025 |
| Exposure | LRGB 85:30:30:30 (2.9 hours, 1/2 crip) |
| 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 DenoiseAI |
| Comments | Moderate seeing (FWHM 2.5); acquired with CCD Commander from Animas, NM |