Wallpaper author:
Ken Abremski
24 Sept 2026
M4
Region surrounding the globular cluster M4 in the constellation Scorpius. Other objects include Antares (to the right), Alniyat (blue star to the bottom left) including Sharpless 9, NGC 6144 (to the bottom right). Data were processed with PixInsight, RC-Astro tools and Photoshop.
Dataset from which the image was processed
M4
4 credit
- Type of target............................................................................................................................Globular Cluster
- Camera............................................................................................................................QHY 600M
- Target coordinates............................................................................................................................RA 245.8968 Dec -26.5258
- Hemisphere............................................................................................................................Southern
- Telescope location............................................................................................................................Australia
- Transient event............................................................................................................................No
- Observed on............................................................................................................................16 Apr 2023 - 21 Apr 2023
Filter | Avg Exp (s) | Total Exposure | Subframes |
|---|---|---|---|
| OIII | 300 | 1h40m | 20 |
| Halpha | 300 | 1h40m | 20 |
| SII | 300 | 1h40m | 20 |