Autore dello sfondo:
Jan Scheers
22 Apr 2021
Crescent Nebula in HOO
Image of the Crescent Nebula (NGC 6888), acquired with the SPA-2 telescope in IC Astronomy Observatory, Spain.
The Crescent Nebula is an emission nebula in the constellation Cygnus, about 5000 light-years away from Earth. The result of the collision is a shell and two shock waves, one moving outward and one moving inward.
Pro dataset was curated by Ian Howarth
Total exposure 95 minutes. 14 subs with Ha and 15 subs with OIII (300s exposure / sub)
Dataset da cui è stata elaborata l'immagine
NGC 6888
2 credit
- Tipo di obiettivo............................................................................................................................Emission Nebula
- Fotocamera............................................................................................................................FLI PL16803
- Coordinate dell'obiettivo............................................................................................................................RA 303.0292 Dec 38.35
- Emisfero............................................................................................................................Northern
- Posizione del telescopio............................................................................................................................Spain
- Evento transitorio............................................................................................................................No
- Osservato il............................................................................................................................16 Jul 2020 - 14 Dec 2021
Filtro | Exp. media (s) | Esposizione totale | Sottoframe |
|---|---|---|---|
| Halpha | 930 | 2h35m | 10 |
| Luminance | 42 | 7m | 10 |
| Red | 12 | 2m | 10 |
| Green | 27 | 4m | 9 |
| Blue | 13 | 2m | 9 |