Wallpaper author:
Ken Abremski
26 Jun 2026
NGC 4945
This is a barred spiral galaxy in the constellation Centaurus. It is similar to our Milky Way and is also known as Caldwell 83. The bright center seems to harbor a super massive black hole. Data processed with PixInsight and RC-Astro tools.
Dataset from which the image was processed
NGC 4945
7 credit
- Type of target............................................................................................................................Galaxy
- Camera............................................................................................................................FLI ProLine PL9000
- Target coordinates............................................................................................................................RA 196.3637 Dec -49.4679
- Hemisphere............................................................................................................................Southern
- Telescope location............................................................................................................................Chile
- Transient event............................................................................................................................No
- Observed on............................................................................................................................15 Apr 2020 - 22 Dec 2022
Filter | Avg Exp (s) | Total Exposure | Subframes |
|---|---|---|---|
| Luminance | 675 | 3h | 16 |
| Red | 713 | 3h10m | 16 |
| Green | 713 | 3h10m | 16 |
| Blue | 713 | 3h10m | 16 |
| Halpha | 160 | 40m | 15 |