deep sky17 November 2025
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Andromeda Galaxy
M 31 · α 00h 42m · δ +41° 16′
The Milky Way's great spiral neighbour, 2.5 million light-years away — the most distant object visible to the naked eye.
| Date | 2025-11-17 - Normandie |
|---|---|
| Optics | Skywatcher Evostar 72ED + réducteur 0.8x |
| Mount | Wave 150i |
| Camera | ASI533MC Pro |
| Filters | L-Pro |
| Exposure | 10 × 3 min (30 min) via ASIAIR |
| Processing | Siril + GraXpert |