18 Feb 2024
Messier 81 in LRGB Zoom, is a grand design spiral galaxy about 12 million light-years away in the constellation Ursa Major.
M81 M82
11 credit
Filtro | Exp. media (s) | Esposizione totale | Sottoframe |
|---|---|---|---|
| Luminance | 219 | 4h26m | 73 |
| Green | 107 | 2h8m | 72 |
| Red | 120 | 2h24m | 72 |
| Blue | 112 | 2h14m | 72 |
| Halpha | 83 | 1h40m | 72 |