Autore dello sfondo:
Yuichi Kihara
17 Jul 2021
M 4
Messier 4 or M4 (also designated NGC 6121) is a globular cluster in the constellation of Scorpius. It was discovered by Philippe Loys de Chéseaux in 1745 and catalogued by Charles Messier in 1764. It was the first globular cluster in which individual stars were resolved.
Dataset da cui è stata elaborata l'immagine
M4
5 credit
- Tipo di obiettivo............................................................................................................................Globular Cluster
- Fotocamera............................................................................................................................FLI ProLine PL9000
- Coordinate dell'obiettivo............................................................................................................................RA 245.8968 Dec -26.5257
- Emisfero............................................................................................................................Southern
- Posizione del telescopio............................................................................................................................Chile
- Evento transitorio............................................................................................................................No
- Osservato il............................................................................................................................11 Jun 2020 - 23 May 2022
Filtro | Exp. media (s) | Esposizione totale | Sottoframe |
|---|---|---|---|
| Luminance | 300 | 1h25m | 17 |
| Red | 300 | 1h25m | 17 |
| Green | 282 | 1h20m | 17 |
| Blue | 319 | 1h25m | 16 |