08 May 2024
NGC2237 - The Rosette nebula is one of the finest emission nebulae in the entire sky, a huge, wreath-shaped cloud of ionized hydrogen gas that’s a stellar nursery, like the nearby Orion Nebula. It’s located in the northern reaches of the constellation of Monoceros.
I combined recently acquired narrowband data from AUS-2 and SPA-1 telescopes, to create a total stack of 19 hours & 20 minutes.
Caldwell 49
6 credit
Filter | Avg Exp (s) | Total Exposure | Subframes |
|---|---|---|---|
| Halpha | 281 | 2h30m | 32 |
| SII | 300 | 2h40m | 32 |
| OIII | 319 | 2h45m | 31 |