02 Jul 2026
NGC1499, the California Nebula, is shown here in an HST palette from a 2 hour, sample exposure.
Deep SHO dataset of the California Nebula
20 credit
Filtro | Exp. media (s) | Esposizione totale | Sottoframe |
|---|---|---|---|
| SII | 60 | 1h53m | 113 |
| Halpha | 60 | 2h30m | 150 |
| OIII | 60 | 2h10m | 130 |