Wallpaper author:
Pepe Manteca
16 Apr 2021
NGC 4755 JEWELL BOX
The Jewel Box (also known as the Kappa Crucis Cluster, NGC 4755, or Caldwell 94) is an open cluster in the constellation Crux. This cluster is one of the youngest known, with an estimated age of 14 million years. It has a total integrated magnitude of 4.2, is located 1.95 kpc. or 6,440 light years from Earth, and contains just over 100 stars.
ONE CLIC OBSERVATIONS
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 |