| 0bject | PN G339.9+88.4 planetary nebula in Coma Berenices (LoTr5) |
| Date | April 17-20, 2021 |
| Exposure | LRGB 150:180:180:170 (11.3 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; acquired with CCD Commander from Animas, NM |