Wallpaper author:
John Ebersole
20 Nov 2025
Sh2-308
Sh2-308, the Dolphin Head Nebula, is depicted here in an HOO palette.
Dataset from which the image was processed
Sh 2-308
4 credit
- Type of target............................................................................................................................Emission Nebula
- Camera............................................................................................................................FLI PL16803
- Target coordinates............................................................................................................................RA 103.55417 Dec -23.92833
- Hemisphere............................................................................................................................Southern
- Telescope location............................................................................................................................Chile
- Transient event............................................................................................................................No
- Observed on............................................................................................................................10 Oct 2021 - 15 Oct 2021
Filter | Avg Exp (s) | Total Exposure | Subframes |
|---|---|---|---|
| Halpha | 533 | 2h40m | 18 |
| OIII | 667 | 3h20m | 18 |