NGC 6204
Appearance
NGC 6204 | |
---|---|
Observation data (J2000 epoch) | |
Right ascension | 16h 46m 08.(4)s[1] |
Declination | −47° 01′ 1(2)″[1] |
Distance | 3,540 ly (1,085 pc)[1] |
Apparent magnitude (V) | 8.2[2] |
Apparent dimensions (V) | 6′[2] |
Physical characteristics | |
Other designations | Collinder 312, Lund 723 |
Associations | |
Constellation | Ara |
NGC 6204 is an open cluster in the constellation Ara, lying close to the galactic equator.[3] It is 3,540 ly (1,085 pc) distant from Earth. The cluster was discovered on 13 May 1826 by British astronomer James Dunlop.
References
- ^ a b c Kharchenko, N. V.; et al. (2013), "Global survey of star clusters in the Milky Way. II. The catalogue of basic parameters", Astronomy & Astrophysics, 558: A53, arXiv:1308.5822, Bibcode:2013A&A...558A..53K, doi:10.1051/0004-6361/201322302.
- ^ a b Inglis, Mike (2013), Observer’s Guide to Star Clusters, The Patrick Moore Practical Astronomy Series, Springer Science & Business Media, p. 27, ISBN 1461475678.
- ^ Dunlop, Storm (2005). Atlas of the Night Sky. Collins. ISBN 0-00-717223-0.
Further reading
- Carraro, Giovanni; Munari, Ulisse (2004): A multicolour CCD photometric study of the open clusters NGC 2866, Pismis 19, Westerlund 2, ESO96-SC04, NGC 5617 and NGC 6204; Monthly Notices of the Royal Astronomical Society 347 (2), S. 625–631