NGC 6531: Difference between revisions
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imported>Thorsten Alteholz (New page: {{subpages}} '''NGC 6531'''<ref>Hirshfeld, Alan, and Roger W. Sinnott, eds., Sky Catalogue 2000.0, Vol.2, Cambridge, Massachusetts: Sky Publishing Corp. and Cambridge University Press, 198...) |
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Revision as of 13:55, 11 November 2007
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NGC 6531[1][2] is a Open cluster located in constellation Sagittarius.
NGC 6531 | |
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Observation data: 2000.0 epoch | |
Constellation | Sagittarius |
Right ascension | 18h04.6m |
Declination | -22o30' |
Type | Open cluster |
Apparent dimensions | 13.0 |
Apparent magnitude | 5.9 |
Other designations | , M 21 |
Appearance
Location
Scientific research
References
- ↑ Hirshfeld, Alan, and Roger W. Sinnott, eds., Sky Catalogue 2000.0, Vol.2, Cambridge, Massachusetts: Sky Publishing Corp. and Cambridge University Press, 1985. (3098,238)
- ↑ NGC 2000.0, The Complete New General Catalogue and Index Catalogue of Nebulae and Star Clusters by J.L.E. Dreyer Sinnott, R.W. (edited by) <Sky Publishing Corporation and Cambridge University Press (1988)>