Wallpaper author:
David Tonucci
27 Dec 2025
Rosette Nebula (Foraxx palate)
The Rosette Nebula (also known as Caldwell 49) 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.
Dataset from which the image was processed
Caldwell 49
13 credit
- Type of target............................................................................................................................Emission Nebula
- Camera............................................................................................................................QHY 600M
- Target coordinates............................................................................................................................RA 97.94571 Dec 5.1012
- Hemisphere............................................................................................................................Northern
- Telescope location............................................................................................................................Spain
- Transient event............................................................................................................................No
- Observed on............................................................................................................................30 Sept 2023 - 19 Jan 2025
Filter | Avg Exp (s) | Total Exposure | Subframes |
|---|---|---|---|
| SII | 300 | 6h10m | 74 |
| OIII | 288 | 5h55m | 74 |
| Halpha | 312 | 6h20m | 73 |