Wallpaper author:
Dave Larkin
25 Feb 2026
Rosette WideField and Monoceros Molecular Cloud
Wide field image of the Rosette Nebula in Monoceros spanning over 200 Light Years
The Rosette Nebula, also known as Caldwell 49, is a H II region that sits on the Western edge of the giant molecular cloud a region of the Milky Way Galaxy.
This 5 degree view shows the true scale of the Monoceros Cloud with the Rosette some 100-130 Lyrs across perched on the edge. The other Structure on the left edge contains other famous deep sky objects, Cone,Christmas Tree & Fox Fur Nebula’s…..
Dataset from which the image was processed
Caldwell 49
8 credit
- Type of target............................................................................................................................Emission Nebula
- Camera............................................................................................................................FLI PL16083
- Target coordinates............................................................................................................................RA 99.6875 Dec 6.0686
- Hemisphere............................................................................................................................Northern
- Telescope location............................................................................................................................Spain
- Transient event............................................................................................................................No
- Observed on............................................................................................................................27 Oct 2022 - 30 Nov 2022
Filter | Avg Exp (s) | Total Exposure | Subframes |
|---|---|---|---|
| OIII | 600 | 4h | 24 |
| Halpha | 600 | 4h | 24 |
| SII | 600 | 4h | 24 |