25 May 2024
The Omega or Swan Nebula, M17, and all its delicate filigree are shown here in a starless, SII-luminance HST palette.
M9
3 credit
Filtro | Exp. media (s) | Esposizione totale | Sottoframe |
|---|---|---|---|
| Luminance | 330 | 1h28m | 16 |
| Green | 192 | 48m | 15 |
| Blue | 224 | 56m | 15 |
| Red | 208 | 52m | 15 |