09 Nov 2021
Sh2-308, or the Dolphin Nebula, is an H II region located near the center of the constellation Canis Major, composed of ionised hydrogen. This dataset was curated by Nik Szymanek.
Sh 2-308
3 credit
Filtro | Exp. media (s) | Esposizione totale | Sottoframe |
|---|---|---|---|
| Halpha | 1371 | 2h40m | 7 |
| Red | 171 | 20m | 7 |
| Green | 171 | 20m | 7 |
| Blue | 150 | 15m | 6 |