Crop
Annotated| 0bject | Abell 1228 Galaxy cluster in Ursa Major |
| Date | March 17-21, 2026 |
| Exposure | LRGB 690:180:180:180 (20.5 hours, 3/4 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 | Very good seeing (FWHM~2,4); acquired with CCD Commander from Animas, NM |