29 Jun 2026
Sh 2-54 is a massive emission nebula located in the constellation Serpens, approximately 6,200 light-years from Earth.
Sh 2-54
6 credit
Filtro | Exp. media (s) | Esposizione totale | Sottoframe |
|---|---|---|---|
| Halpha | 326 | 3h10m | 35 |
| SII | 309 | 3h | 35 |
| OIII | 266 | 2h35m | 35 |