Wallpaper author:
Michelle Ashford
08 Oct 2021
NGC 6822 Barnard's Galaxy
NGC 6822 is a barred irregular galaxy approximately 1.6 million light-years away in the constellation Sagittarius.
Reddish nebulae in this image reveal regions of active star formation, where young, hot stars heat up nearby gas clouds.
Dataset from which the image was processed
NGC 6822
3 credit
- Type of target............................................................................................................................Galaxy
- Camera............................................................................................................................FLI ProLine PL9000
- Target coordinates............................................................................................................................RA 296.2342 Dec -14.7976
- Hemisphere............................................................................................................................Southern
- Telescope location............................................................................................................................Chile
- Transient event............................................................................................................................No
- Observed on............................................................................................................................15 Jul 2020 - 26 Jun 2022
Filter | Avg Exp (s) | Total Exposure | Subframes |
|---|---|---|---|
| Luminance | 220 | 22m | 6 |
| Red | 220 | 22m | 6 |
| Green | 220 | 22m | 6 |
| Blue | 220 | 22m | 6 |
| Halpha | 1800 | 3h | 6 |