Wallpaper author:
Matthew Neal
05 Jul 2023
Messier 20: The Triffid Nebula
The Triffid Nebula (M20) is a reflection nebula at an approximate distance of 5,200 light years, or 1,600 parsecs, from Earth. M20 has a linear diameter of over 40 light years and is only 300,000 years old.
Dataset from which the image was processed
M20
3 credit
- Type of target............................................................................................................................Emission Nebula
- Camera............................................................................................................................QHY 600M
- Target coordinates............................................................................................................................RA 270.6038 Dec -23.0018
- Hemisphere............................................................................................................................Southern
- Telescope location............................................................................................................................Chile
- Transient event............................................................................................................................No
- Observed on............................................................................................................................16 Jun 2023 - 25 Oct 2023
Filter | Avg Exp (s) | Total Exposure | Subframes |
|---|---|---|---|
| Halpha | 1000 | 2h30m | 9 |
| Blue | 200 | 30m | 9 |
| Luminance | 100 | 15m | 9 |
| Red | 100 | 15m | 9 |
| Green | 100 | 15m | 9 |