18 Feb 2025
Behold NGC 2359, better known as Thor’s Helmet Nebula, a cosmic masterpiece sculpted by stellar winds and radiation! This emission nebula, resembling the mythical helmet of the Norse god Thor, lies in the constellation Canis Major, about 11,960 light-years from Earth.
NGC 2359
6 credit
Filter | Avg Exp (s) | Total Exposure | Subframes |
|---|---|---|---|
| Halpha | 251 | 2h35m | 37 |
| SII | 251 | 2h35m | 37 |
| OIII | 397 | 4h5m | 37 |