02 Oct 2021
The Andromeda Galaxy, also known as Messier 31, M31, or NGC 224 and originally the Andromeda Nebula (see below), is a barred spiral galaxy approximately 2.5 million light-years (770 kiloparsecs) from Earth and the nearest large galaxy to the Milky Way.
Andromeda Galaxy
15 credit
Filtro | Exp. media (s) | Esposizione totale | Sottoframe |
|---|---|---|---|
| Luminance | 135 | 14h24m | 384 |
| Red | 192 | 20h27m | 383 |
| Green | 169 | 18h | 383 |
| Blue | 203 | 21h33m | 383 |
| Halpha | 100 | 10h36m | 383 |