17 Sept 2021
The image is a mosaic of two “One Click” data sets showing the area around Sadr ( γ Cygni at the centre of Cygnus's cross) and NGC 6888 ( The Crescent Nebula )
NGC 6888
8 credit
Filtro | Exp. media (s) | Esposizione totale | Sottoframe |
|---|---|---|---|
| Halpha | 2530 | 16h10m | 23 |
| Luminance | 8 | 3m | 23 |
| Red | 8 | 3m | 23 |
| Green | 8 | 3m | 22 |
| Blue | 8 | 3m | 22 |