Wallpaper author:
John Ebersole
20 May 2022
WR134
Wolf-Rayet 134, the central star in this image, has a beautiful OIII-rich ring nebula around it. Although the southern crescent-shaped portion is prominent, a dim complete nebular ring encircles the star. SII added little, so this is in HOO palette.
Dataset from which the image was processed
M57
6 credit
- Type of target............................................................................................................................Planetary Nebula
- Camera............................................................................................................................FLI PL16803
- Target coordinates............................................................................................................................RA 283.3962 Dec 33.0291
- Hemisphere............................................................................................................................Northern
- Telescope location............................................................................................................................Spain
- Transient event............................................................................................................................No
- Observed on............................................................................................................................15 Feb 2020 - 15 Jun 2022
Filter | Avg Exp (s) | Total Exposure | Subframes |
|---|---|---|---|
| Halpha | 516 | 4h35m | 32 |
| Luminance | 43 | 23m | 32 |
| Red | 49 | 26m | 32 |
| Green | 41 | 21m | 31 |
| Blue | 48 | 25m | 31 |