
1.3X crop| 0bject | Sh2-200 Planetary nebula in Camelopardalis (PN G138.1+04.1) and Tr 3 Open cluster |
| Date | November 9-14, 2024 |
| Exposure | HαLRGB 455:175:60:60:60 (13.2 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 DeNoiseAI |
| Comments | Poor seeing (FWHM 3.9); acquired with CCD Commander and MaximDL from Animas, NM |

| 0bject | Sh2-200 Planetary nebula in Camelopardalis (PN G138.1+04.1) |
| Date | August 16-20, 2015 |
| Exposure | HαRGB 480:60:60:60 (cropped) |
| 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 CS6, GradientXterminator, AstroActions |
| Comments | Moderate seeing; acquired with CCD Commander |