Field in dwarf galaxy NGC 6822
Colour composite of three exposures of a field in the dwarf galaxy NGC 6822, a member of the Local Group of Galaxies at a distance of about 2 million light-years. They were obtained by YEPUN and the VLT Test Camera at about 23:00 hrs local time on September 3 (03:00 UT on September 4), 2000. The image is based on exposures through three optical filters: B(lue) (10 min exposure; here rendered as blue), V(isual) (5 min; green) and R(ed) (5 min; red); the seeing was 0.9 - 1.0 arcsec. Individual stars of many different colours (temperatures) are seen. The field measures about 1.5 x 1.5 arcmin 2. Another image of this galaxy was obtained earlier with ANTU and FORS1 , cf. eso9920b.
Kredit:ESO
O snímku
Id: | eso0028f |
Typ: | Pozorování |
Datum zveřejnění: | 4. září 2000 |
Související články: | eso0028 |
Velikost: | 992 x 1017 px |
O objektu
Jméno: | NGC 6822 |
Typ: | Local Universe : Star : Type : Variable : Irregular Local Universe : Galaxy : Size : Dwarf |
Vzdálenost: | 2 milion světelné roky |
Constellation: | Cancer |
Kategorie: | Galaxies |
Souřadnice
Position (RA): | 8 30 38.10 |
Position (Dec): | 30° 23' 23.79" |
Barvy & filtry
Pásmo | Dalekohled |
---|---|
Optický B | Very Large Telescope |
Optický V | Very Large Telescope |
Optický R | Very Large Telescope |