16 Feb 2023
RCW 42, also known as GUM 26, is an emission (or HII region) nebula located around 20,000 light-years away in the southern constellation of Vela.
RCW 42
5 credit
Filtro | Exp. media (s) | Esposizione totale | Sottoframe |
|---|---|---|---|
| OIII | 600 | 2h20m | 14 |
| Halpha | 600 | 2h20m | 14 |
| SII | 600 | 2h20m | 14 |