Wallpaper author:
Alan Daly
13 Jun 2026
RCW 105 (Gum 51)
RCW 105 is an H alpha emission nebula in the southern constellation Norma, approximately 5,900 light-years from Earth.
Dataset from which the image was processed
RCW 105
2 credit
- Type of target............................................................................................................................Emission Nebula
- Camera............................................................................................................................FLI PL16803
- Target coordinates............................................................................................................................RA 242.75417 Dec -49.09139
- Hemisphere............................................................................................................................Southern
- Telescope location............................................................................................................................Chile
- Transient event............................................................................................................................No
- Observed on............................................................................................................................11 Jun 2022 - 22 Jul 2022
Filter | Avg Exp (s) | Total Exposure | Subframes |
|---|---|---|---|
| Halpha | 600 | 1h | 6 |
| SII | 600 | 1h | 6 |
| OIII | 600 | 50m | 5 |