Autore dello sfondo:
James Fordice
16 Jun 2025
Sextans A (UGCA 205)
Sextans A (UGCA 205, PGC 29653, DDO 75) is either a member of the Local Group or the Antlia-Sextans group which is on the edge of the Local Group. It is a small irregular dwarf galaxy.
From the perspective of earth Sextans A is almost square. The clusters of blue stars indicate active star formation.
It is located about 4.4 million LY from earth. Its magnitude is 11. It is about 5,000 LY across.
Its type is IBm
* I = irregular
* B = barred
* m = no bulge component
Dataset da cui è stata elaborata l'immagine
UGCA 205
5 credit
- Tipo di obiettivo............................................................................................................................Galaxy
- Fotocamera............................................................................................................................FLI ProLine PL9000
- Coordinate dell'obiettivo............................................................................................................................RA 152.7521 Dec -4.69167
- Emisfero............................................................................................................................Southern
- Posizione del telescopio............................................................................................................................Chile
- Evento transitorio............................................................................................................................No
- Osservato il............................................................................................................................06 Feb 2022 - 30 Dec 2022
Filtro | Exp. media (s) | Esposizione totale | Sottoframe |
|---|---|---|---|
| Luminance | 545 | 1h40m | 11 |
| Red | 600 | 1h50m | 11 |
| Green | 660 | 1h50m | 10 |
| Blue | 600 | 1h40m | 10 |