Wallpaper author:
Thomas Peter
23 Jan 2026
NGC 4755 The Jewel Box
NGC 4755, also known as “The Jewel Box” cluster, is a young, open star cluster in the Constellation Crux located in the southern sky. NGC 4755 is approximately 6,440 lightyears from earth, with a Right Ascension of 12h53m39.499s and Declination of -60d22m15.6s. Its estimated age is approximately 14 million years and was originally discovered by Nicholas Louis De Lacaille in 1752.
Hope ya like it!
Tom
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 |