Wallpaper author:
Wido Oerlemans
25 Oct 2025
Lagoon and Trifid Nebula in HaRGB
Ha/RGB blend of M20 + M8 — cropped, with Milky Way background preserved
Dataset from which the image was processed
M20
5 credit
- Type of target............................................................................................................................Emission Nebula
- Camera............................................................................................................................QHY 600M
- Target coordinates............................................................................................................................RA 271.0287 Dec -23.6508
- Hemisphere............................................................................................................................Southern
- Telescope location............................................................................................................................Australia
- Transient event............................................................................................................................No
- Observed on............................................................................................................................22 May 2023 - 29 May 2023
Filter | Avg Exp (s) | Total Exposure | Subframes |
|---|---|---|---|
| Halpha | 375 | 1h40m | 16 |
| Blue | 281 | 1h15m | 16 |
| Red | 281 | 1h15m | 16 |
| Luminance | 281 | 1h15m | 16 |
| Green | 281 | 1h15m | 16 |