Wallpaper author:
Bernard Miller
22 Feb 2022
NGC 2359 - Thor's Helmet Nebula
This is an image of NGC 2359, also known as Thor's Helmet. It is an emission nebula about 12,000 light years away in the constellation Canis Major. The nebula is the result of a Wolf-Rayet star (WR7).
Dataset from which the image was processed
NGC 2359
18 credit
- Type of target............................................................................................................................Emission Nebula
- Camera............................................................................................................................FLI ProLine PL9000
- Target coordinates............................................................................................................................RA 109.625 Dec -13.2267
- Hemisphere............................................................................................................................Southern
- Telescope location............................................................................................................................Chile
- Transient event............................................................................................................................No
- Observed on............................................................................................................................31 Oct 2019 - 20 Dec 2022
Filter | Avg Exp (s) | Total Exposure | Subframes |
|---|---|---|---|
| Green | 94 | 1h36m | 61 |
| Red | 133 | 2h15m | 61 |
| Blue | 83 | 1h24m | 61 |
| Luminance | 156 | 2h36m | 60 |
| Halpha | 895 | 14h55m | 60 |