Wallpaper author:
Peter Cerveny
10 Jun 2025
Rosette Nebula - Caldwell 49
Rosette Nebula (Caldwell 49) is an H II region in the constellation of Monocero.
Thanks for this excellent HSO dataset which I processed with Siril and Photoshop CC.
Dataset from which the image was processed
Caldwell 49
2 credit
- Type of target............................................................................................................................Emission Nebula
- Camera............................................................................................................................FLI PL16803
- Target coordinates............................................................................................................................RA 97.97916 Dec 5.02417
- Hemisphere............................................................................................................................Southern
- Telescope location............................................................................................................................Chile
- Transient event............................................................................................................................No
- Observed on............................................................................................................................24 Dec 2020 - 29 Mar 2021
Filter | Avg Exp (s) | Total Exposure | Subframes |
|---|---|---|---|
| Halpha | 600 | 1h | 6 |
| SII | 600 | 1h | 6 |
| OIII | 600 | 1h | 6 |