Autore dello sfondo:
Ernesto Arredondo
18 Mar 2021
Rosette Nebula
The Rosette Nebula (also known as Caldwell 49) is an H II region located near one end of a giant molecular cloud in the Monoceros region of the Milky Way Galaxy. The open cluster NGC 2244 (Caldwell 50) is closely associated with the nebulosity, the stars of the cluster having been formed from the nebula's matter.
Dataset da cui è stata elaborata l'immagine
Caldwell 49
4 credit
- Tipo di obiettivo............................................................................................................................Emission Nebula
- Fotocamera............................................................................................................................FLI PL16803
- Coordinate dell'obiettivo............................................................................................................................RA 97.9167 Dec 4.95
- Emisfero............................................................................................................................Southern
- Posizione del telescopio............................................................................................................................Australia
- Evento transitorio............................................................................................................................No
- Osservato il............................................................................................................................22 Sept 2020 - 17 Nov 2022
Filtro | Exp. media (s) | Esposizione totale | Sottoframe |
|---|---|---|---|
| Luminance | 56 | 16m | 17 |
| Red | 49 | 14m | 17 |
| Green | 45 | 12m | 16 |
| Blue | 53 | 14m | 16 |
| Halpha | 1013 | 4h30m | 16 |