Autore dello sfondo:
Terry Snapp
31 May 2022
Crescent Nebula
The Crescent Nebula (also known as NGC 6888, Caldwell 27, Sharpless 105) is an emission nebula in the constellation Cygnus, about 5000 light-years away from Earth. It was discovered by William Herschel in 1792.[
Dataset da cui è stata elaborata l'immagine
NGC 6888
8 credit
- Tipo di obiettivo............................................................................................................................Emission Nebula
- Fotocamera............................................................................................................................FLI PL16083
- Coordinate dell'obiettivo............................................................................................................................RA 303.0292 Dec 38.35
- Emisfero............................................................................................................................Northern
- Posizione del telescopio............................................................................................................................Spain
- Evento transitorio............................................................................................................................No
- Osservato il............................................................................................................................28 May 2020 - 10 Jun 2022
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 |