Wallpaper author:
Bernard Miller
06 Mar 2023
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 central star is the Wolf-Rayet star WR7, an extremely hot star thought to be in a brief pre-supernova stage of evolution.
Dataset from which the image was processed
NGC 2359
3 credit
- Type of target............................................................................................................................Emission Nebula
- Camera............................................................................................................................FLI PL16803
- Target coordinates............................................................................................................................RA 109.625 Dec -13.2267
- Hemisphere............................................................................................................................Southern
- Telescope location............................................................................................................................Chile
- Transient event............................................................................................................................No
- Observed on............................................................................................................................27 Nov 2020 - 27 Dec 2020
Filter | Avg Exp (s) | Total Exposure | Subframes |
|---|---|---|---|
| Halpha | 450 | 1h30m | 12 |
| OIII | 491 | 1h30m | 11 |
| SII | 273 | 50m | 11 |