Wallpaper author:
Mathieu Guinot
21 Feb 2022
Messier 6 CHI-1 4h50 Bundle
The beautiful Butterfly Cluster (cataloged as Messier 6 and NGC 6405) is an open cluster about 15490 light-years away in Scorpius, with an apparent size of 25'.
120 stars, ranging down to mag 15, have been identified as most likely cluster members. Most of the bright stars are hot, blue B-type stars, but the brightest member is BM Scorpii, a K-type orange giant star which contrasts sharply with its blue neighbours.
L : 4x600s
R : 7x600s
G : 9x600s
B : 9x600s
Dataset from which the image was processed
M6
6 credit
- Type of target............................................................................................................................Open Cluster
- Camera............................................................................................................................FLI ProLine PL9000
- Target coordinates............................................................................................................................RA 265.0833 Dec -32.25
- Hemisphere............................................................................................................................Southern
- Telescope location............................................................................................................................Chile
- Transient event............................................................................................................................No
- Observed on............................................................................................................................11 Aug 2020 - 06 Jun 2022
Filter | Avg Exp (s) | Total Exposure | Subframes |
|---|---|---|---|
| Luminance | 560 | 2h20m | 15 |
| Red | 680 | 2h50m | 15 |
| Green | 600 | 2h30m | 15 |
| Blue | 560 | 2h20m | 15 |