24 Sept 2023
Sh2-279 includes three NGC nebulae, NGC 1973, NGC 1975, and NGC 1977. It also includes the open cluster NGC 1981.
NGC 1981
1 credit
Filtro | Exp. media (s) | Esposizione totale | Sottoframe |
|---|---|---|---|
| Green | 150 | 15m | 6 |
| Luminance | 600 | 1h | 6 |
| Blue | 250 | 25m | 6 |
| Red | 180 | 15m | 5 |