Wallpaper author:
John Tipton
27 Aug 2021
M57 (The Ring Nebula)
M57, the Ring Nebula, is a planetary nebula about 2,000 light years away in Lyra. This is an HOO image, with SII used as a Lum to bring in the stars in the center. The image was processed to enhance the weak outer Ha areas.
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 |