11 Jul 2021
NGC 281, IC 11 or Sh2-184 is a bright emission nebula and part of an H II region in the northern constellation of Cassiopeia and is part of the Milky Way's Perseus Spiral Arm
NGC 281
17 credit
Filtro | Exp. media (s) | Esposizione totale | Sottoframe |
|---|---|---|---|
| SII | 575 | 7h40m | 48 |
| Halpha | 563 | 7h30m | 48 |
| OIII | 664 | 8h40m | 47 |