Autore dello sfondo:
Chris Kjeldsen
06 Aug 2023
NGC3981-Unbarred Spiral Galaxy
NGC 3981 is an unbarred spiral galaxy located 62 million light-years away in the constellation of Crater. It was discovered on February 7, 1785, by William Herschel.
NGC 3981 is a member of the NGC 4038 Group which is part of the Virgo Supercluster.
(Source: Wiki)
Dataset da cui è stata elaborata l'immagine
NGC 3981
24 credit
- Tipo di obiettivo............................................................................................................................Galaxy
- Fotocamera............................................................................................................................FLI PL16803
- Coordinate dell'obiettivo............................................................................................................................RA 179.02916 Dec -19.89611
- Emisfero............................................................................................................................Southern
- Posizione del telescopio............................................................................................................................Chile
- Evento transitorio............................................................................................................................No
- Osservato il............................................................................................................................20 Feb 2020 - 20 Jun 2020
Filtro | Exp. media (s) | Esposizione totale | Sottoframe |
|---|---|---|---|
| Luminance | 1467 | 11h | 27 |
| Green | 969 | 7h | 26 |
| Blue | 1154 | 8h20m | 26 |
| Red | 1200 | 8h40m | 26 |