Wallpaper author:
John Ebersole
05 Jan 2026
Caldwell 49
NGC 2244 or Caldwell 49, the Rosette Nebula, is shown here in an HST palette.
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 |