25 Oct 2021
The Butterfly Cluster (M 6), also known as NGC 6405 lies about 2,000 light-years from Earth and spans about 20 light-years. It is an open cluster of stars in the constellation Scorpius and contains mostly young blue stars with an estimated age of 100 million years.
This image consists of 44 subs in LRGB @600s taken by the CHI-1 scope from August-October of 2021.
Hope ya like it!
Tom
M6
6 credit
Filter | Avg Exp (s) | Total Exposure | Subframes |
|---|---|---|---|
| Luminance | 560 | 2h20m | 15 |
| Red | 680 | 2h50m | 15 |
| Green | 600 | 2h30m | 15 |
| Blue | 560 | 2h20m | 15 |