Wallpaper author:
Ken Abremski
13 May 2026
RCW 100
A planetary nebula in the constellation Norma. This has also been named the Fine Ring nebula due to its circular shape. While many planetary nebula are spherical or elliptical in shape, the circular shape of this nebula may be due to the central star being a binary. Data was processed with PixInsight and RC-Astro Tools.
Dataset from which the image was processed
RCW 100
8 credit
- Type of target............................................................................................................................Planetary Nebula
- Camera............................................................................................................................QHY 600M
- Target coordinates............................................................................................................................RA 237.9167 Dec -51.5244
- Hemisphere............................................................................................................................Southern
- Telescope location............................................................................................................................Chile
- Transient event............................................................................................................................No
- Observed on............................................................................................................................29 May 2025 - 05 Jun 2025
Filter | Avg Exp (s) | Total Exposure | Subframes |
|---|---|---|---|
| Halpha | 300 | 2h30m | 30 |
| SII | 300 | 2h30m | 30 |
| OIII | 300 | 2h30m | 30 |