| 0bject | PN G339.9+88.4 Planetary nebula in Coma Berenices |
| Date | April 20-22, 2025 |
| Exposure | LRGB 210:70:70:70 (7 hours, 1/2 crop) |
| 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 (FWHM 3.45); Acquired with CCD Commander from Animas NM |