03 Apr 2023
This is one of my favorite deep sky objects. The image was taken with the CHI-1 and broad band filters. Both emission and reflection nebulae are very bright. Around 20 minutes per channel was sufficient capture all details.
M20
10 credit
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 |