One of my wish targets for this autumn/winter season was the Andromeda Galaxy in full frame with my APO.
As of today, I can finally tick that box!
I had already captured the luminance data back in September. Yesterday, I was able to complete the RGB exposures.
High-resolution on Astrobin:
The annotated image:
Session details
| Telescope | Baader Apo 95 CaF2 – Travel Companion |
|---|---|
| Corrector | Baader M68 Field Flattener |
| Effective focal length | 590 mm |
| Camera | SkyEye62AM Canon EOS R(a) |
| Filters | Baader L CMOS Optimized 50.4mm Baader UHC-L CMOS Optimized 50,4mm |
| Mount | Skywatcher HEQ5 Pro Hypertuned |
| Guiding equipment | William Optics Uniguide 50 TS-Optics 50 |
| Guiding camera | ToupTek GPM462M |
| Date of capture | 2025-09-19 2025-12-21 |
| Nights | 2 |
| Exposure (lights) | L: 60 × 300 s UHC: 40 × 300 s |
| Total integration | 8 h 20 min |
| Calibration frames | FLATS, DARKS |
| Sensitivity | GAIN 100, Offset 125 ISO 1600 |
| Capture setup | Stellarmate OS, Raspberry Pi 5, PowerBox Adv. |
| Processing date | 2025-12-22 |
| Software stack | PixInsight, Affinity Photo |
| Location | Koblenz, Rheinland |
| Focal ratio | f/6,2 |
| Image scale | 1,31 ″/px |
| Field of view | 208,9 × 139,3 ′ |
