NGC 6204

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.[4]

Map showing the location of NGC 6204
NGC 6204
NGC 6204 (taken with Stellarium)
Observation data (J2000 epoch)
ConstellationAra
Right ascension 16h 46m 08.(4)s[1]
Declination−47° 01′ 1(2)″[1]
Distance3,540 ly (1,085 pc)[1]
Apparent magnitude (V)8.2[2]
Apparent dimensions (V)6′[2]
Physical characteristics
Other designationsCollinder 312, Lund 723

References
  1. 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.
  2. Inglis, Mike (2013), Observer's Guide to Star Clusters, The Patrick Moore Practical Astronomy Series, Springer Science & Business Media, p. 27, Bibcode:2013ogsc.book.....I, ISBN 978-1461475675.
  3. Dunlop, Storm (2005). Atlas of the Night Sky. Collins. ISBN 978-0-00-717223-8.
  4. Seligman, Courtney. "NGC Objects: NGC 6200 - 6249". cseligman.com. Retrieved 14 February 2019.

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


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