18 Jun 2024
NGC 6820 is a small reflection nebula near the open cluster NGC 6823 in Vulpecula. Hard one to process but I managed to resolve most of the issues
NGC 6823
3 credit
Filtro | Exp. media (s) | Esposizione totale | Sottoframe |
|---|---|---|---|
| Halpha | 267 | 1h20m | 18 |
| SII | 333 | 1h40m | 18 |
| OIII | 300 | 1h25m | 17 |