Wallpaper author:
Ken Abremski
12 Feb 2026
NGC4755
An open star cluster in the constellation Crux. Also known as the Jewel Box cluster. Made up of young stars, around 14M yrs, including blue and red super giants. Data was processed with PixInsight, RC-Astro tools and Photoshop.
Dataset from which the image was processed
NGC 4755
9 credit
- Type of target............................................................................................................................Open Cluster
- Camera............................................................................................................................FLI ProLine PL9000
- Target coordinates............................................................................................................................RA 193.4125 Dec -60.35
- Hemisphere............................................................................................................................Southern
- Telescope location............................................................................................................................Chile
- Transient event............................................................................................................................No
- Observed on............................................................................................................................13 Mar 2021 - 04 Aug 2021
Filter | Avg Exp (s) | Total Exposure | Subframes |
|---|---|---|---|
| Blue | 525 | 3h30m | 24 |
| Luminance | 700 | 4h40m | 24 |
| Red | 574 | 3h40m | 23 |
| Green | 600 | 3h50m | 23 |