NGC 6756 is a small open star cluster in the constellation Aquila, close to NGC 6755.[3]
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, S2CID 118548517.
- ^ a b "NGC 6756". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2019-09-23.
- ^ a b O'Meara, Steve (2007). Herschel 400 Observing Guide. Cambridge University Press. p. 249. ISBN 9780521858939.
External links
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