NGC 6204 [SEP] constellation
NGC 6204
NGC 6204 is an open cluster in the constellation Ara, lying close to the galactic equator. It is 3,540 ly (1,085 pc) distant from Earth. The cluster was discovered on 13 May 1826 by British astronomer James Dunlop.
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
the size of the full Moon. It is approximately 4200 light-years from Earth. It has one bright member, a double star with a blue-white hued primary of magnitude 5.6 and a secondary of magnitude 6.9. NGC 6193 is surrounded by NGC 6188, a faint nebula only normally visible in long-exposure photographs.
- NGC 6200
- NGC 6204
- NGC 6208
- NGC 6250
- NGC 6253
- IC 4651
Features Deep-sky objects Globular clusters.
- NGC 6352
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