Wallpaper author:
Jan Scheers
17 Jun 2022
M20 - Trifid Nebula
The Trifid Nebula, cataloged as Messier 20 (M20), is a colorful combination of nebulae types approximately 5,000 light-years away in the constellation Sagittarius.
This LRGBHSO-image was acquired with CHI-1 (Planewave CDK24 telescope), data from 8 one-click observations.
Total integration time: 498 minutes
HSO: 14 subs of 600s with each narrowband filter
HSO-image combined with LRGB data: 6:7:6:7 subs of 180s with each filter
Dataset from which the image was processed
M20
10 credit
- Type of target............................................................................................................................Emission Nebula
- Camera............................................................................................................................FLI ProLine PL9000
- Target coordinates............................................................................................................................RA 270.675 Dec -22.9667
- Hemisphere............................................................................................................................Southern
- Telescope location............................................................................................................................Chile
- Transient event............................................................................................................................No
- Observed on............................................................................................................................24 Sept 2019 - 14 Aug 2022
Filter | Avg Exp (s) | Total Exposure | Subframes |
|---|---|---|---|
| Luminance | 67 | 40m | 36 |
| Red | 69 | 40m | 35 |
| Green | 857 | 8h20m | 35 |
| Blue | 65 | 38m | 35 |
| Halpha | 806 | 7h50m | 35 |