Wallpaper author:
John Ebersole
25 May 2026
Sh2-155
The Cave Nebula, Sh2-155, in Cepheus is seen here in an HST palette.
Dataset from which the image was processed
Sh 2-155
4 credit
- Type of target............................................................................................................................Emission Nebula
- Camera............................................................................................................................FLI PL16803
- Target coordinates............................................................................................................................RA 344.275 Dec 62.63333
- Hemisphere............................................................................................................................Northern
- Telescope location............................................................................................................................Spain
- Transient event............................................................................................................................No
- Observed on............................................................................................................................26 Sept 2021 - 17 Jun 2022
Filter | Avg Exp (s) | Total Exposure | Subframes |
|---|---|---|---|
| Halpha | 600 | 2h | 12 |
| OIII | 600 | 2h | 12 |
| SII | 600 | 2h | 12 |