15 Oct 2020
The Rosette Nebula is an H II region located near one end of a giant molecular cloud in the Monoceros region of the Milky Way Galaxy. The open cluster NGC 2244 (Caldwell 50) is closely associated with the nebulosity, the stars of the cluster having been formed from the nebula's matter.
Caldwell 49
4 credit
Filter | Avg Exp (s) | Total Exposure | Subframes |
|---|---|---|---|
| Luminance | 56 | 16m | 17 |
| Red | 49 | 14m | 17 |
| Green | 45 | 12m | 16 |
| Blue | 53 | 14m | 16 |
| Halpha | 1013 | 4h30m | 16 |