Wallpaper author:
John Ebersole
29 Jul 2026
Caldwell 49
The core of the Rosette Nebula, Caldwell 49, is shown here in an HST palette.
Dataset from which the image was processed
Caldwell 49
4 credit
- Type of target............................................................................................................................Emission Nebula
- Camera............................................................................................................................FLI PL16803
- Target coordinates............................................................................................................................RA 97.9167 Dec 4.95
- Hemisphere............................................................................................................................Northern
- Telescope location............................................................................................................................Spain
- Transient event............................................................................................................................No
- Observed on............................................................................................................................23 Feb 2020 - 08 Feb 2022
Filter | Avg Exp (s) | Total Exposure | Subframes |
|---|---|---|---|
| Halpha | 195 | 2h | 37 |
| OIII | 200 | 2h | 36 |
| SII | 203 | 2h2m | 36 |