Wallpaper author:
Pedro Sánchez
17 Jun 2025
Sh2-308 Dolphin Head Nebula
I have added the dataset that has the Ha and OIII shots to this package (HaRGB). With this data, I was able to obtain this image.
The Ha shots in both packages are the same, but the important thing has been the OIII shots.
Dataset from which the image was processed
Sh 2-308
3 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 - 20 Oct 2021
Filter | Avg Exp (s) | Total Exposure | Subframes |
|---|---|---|---|
| Halpha | 1371 | 2h40m | 7 |
| Red | 171 | 20m | 7 |
| Green | 171 | 20m | 7 |
| Blue | 150 | 15m | 6 |