09 Jan 2022
HSO-image of Sh2-240 or supernova remnant Simeis 147, the Spaghetti Nebula.
Image captured with SPA-1 (Takahashi FSQ-106ED refractor) .
Total integration time 390 minutes. 13 subs of 600s with each narrowband filter (H-alpha, SII and OIII).
Sh 2-240
12 credit
Filtro | Exp. media (s) | Esposizione totale | Sottoframe |
|---|---|---|---|
| Halpha | 670 | 8h | 43 |
| SII | 544 | 6h30m | 43 |
| OIII | 586 | 7h | 43 |