Wallpaper author:
John Ebersole
07 Jan 2026
CG 4
Cometary globule, CG 4, is shown here in an HaRGB palette.
Dataset from which the image was processed
CG 4
2 credit
- Type of target............................................................................................................................Star-forming Regions
- Camera............................................................................................................................FLI PL16803
- Target coordinates............................................................................................................................RA 113.52917 Dec -47.21806
- Hemisphere............................................................................................................................Southern
- Telescope location............................................................................................................................Chile
- Transient event............................................................................................................................No
- Observed on............................................................................................................................22 Nov 2022 - 23 Nov 2022
Filter | Avg Exp (s) | Total Exposure | Subframes |
|---|---|---|---|
| Red | 257 | 30m | 7 |
| Green | 257 | 30m | 7 |
| Blue | 257 | 30m | 7 |
| Luminance | 343 | 40m | 7 |
| Halpha | 800 | 1h20m | 6 |