23 Apr 2023
The Hubble's Variable Nabula (NGC 2261, Caldwell 46) in the constellation Monoceros is an interesting nebula that changes its brightness.
NGC 2261
14 credit
Filtro | Exp. media (s) | Esposizione totale | Sottoframe |
|---|---|---|---|
| Luminance | 1109 | 13h15m | 43 |
| Blue | 56 | 40m | 43 |
| Green | 56 | 40m | 43 |
| Red | 57 | 40m | 42 |