Wallpaper author:
Alan May
03 Mar 2026
Dolphin Head Nebula in HOO
This rendition of SH2-308 was processed with a heavy OIII (blue) color cast. The Ha (red) was then boosted just enough to create an internal glow.
Dataset from which the image was processed
Sh 2-308
15 credit
- Type of target............................................................................................................................Emission Nebula
- Camera............................................................................................................................QHY 600M
- Target coordinates............................................................................................................................RA 103.55421 Dec -23.9283
- Hemisphere............................................................................................................................Southern
- Telescope location............................................................................................................................Australia
- Transient event............................................................................................................................No
- Observed on............................................................................................................................28 Dec 2023 - 12 Dec 2024
Filter | Avg Exp (s) | Total Exposure | Subframes |
|---|---|---|---|
| Halpha | 314 | 7h25m | 85 |
| SII | 289 | 6h50m | 85 |
| OIII | 296 | 7h | 85 |