Wallpaper author:
Ray Blais
26 Feb 2022
Thor's Helmet (NGC 2359)
Thor's Helmet is composed of cosmic dust and gas spanning roughly 30 light-years across and appears as an interstellar bubble that has been inflated by a central Wolf-Rayet star.
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 |