08 Dec 2022
The Rosette Nebula (also known as Caldwell 49) is an H II region, sometimes referred to as the "Skull Nebula."
Caldwell 49
5 credit
Filtro | Exp. media (s) | Esposizione totale | Sottoframe |
|---|---|---|---|
| Halpha | 300 | 2h20m | 28 |
| OIII | 300 | 2h15m | 27 |
| SII | 300 | 2h15m | 27 |