11 Jun 2023
Simeis 147, SH2-240 is a supernova remnant between the borders of Auriga and Taurus. It is around 40,000 years old with an apparent diameter of 3 degrees and is 3,000 light years away.
Sh 2-240
12 credit
Filtro | Exp. media (s) | Esposizione totale | Sottoframe |
|---|---|---|---|
| Halpha | 670 | 8h | 43 |
| SII | 544 | 6h30m | 43 |
| OIII | 586 | 7h | 43 |