Wallpaper author:
Alan Daly
28 Sept 2025
RCW 75 (aka Gum 48a)
RCW 75 is an emission nebula in the constellation Centaurus, approximately 6,500 light-years from Earth.
Dataset from which the image was processed
RCW 75
5 credit
- Type of target............................................................................................................................Emission Nebula
- Camera............................................................................................................................QHY 600M
- Target coordinates............................................................................................................................RA 200.0083 Dec -62.5478
- Hemisphere............................................................................................................................Southern
- Telescope location............................................................................................................................Chile
- Transient event............................................................................................................................No
- Observed on............................................................................................................................28 Jan 2025 - 31 Jan 2025
Filter | Avg Exp (s) | Total Exposure | Subframes |
|---|---|---|---|
| Halpha | 290 | 2h30m | 31 |
| SII | 310 | 2h40m | 31 |
| OIII | 300 | 2h30m | 30 |