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NGC 1987 (also known as ESO 56-SC131) is an open cluster or a globular cluster located in the Mensa constellation and part of the Large Magellanic Cloud. It was discovered by John Herschel on November 3, 1834. Its apparent magnitude is 12.1, and its size is 1.7 arc minutes.[1][2][4] It is thought to be around 600 million years old and has a significant number of red ageing stars.[5]
^Zinnecker, H.; Ferraro, F.; Fusi Pecci, F.; Renzini, Alvio; Buonanno, R.; Corsi, C.E.; Turndrup, D.M. (1991-02-28). "Infrared Imaging of Intermediate Age LMC/SMC Clusters". In Haynes, Raymond; Milne, Douglas (eds.). The Magellanic Clouds: Proceedings of the 148th Symposium of the International Astronomical Union, held in Sydney, Australia, July 9–13, 1990. New York: Springer Science & Business Media. pp. 228–30. ISBN9780792311102.
Media related to NGC 1987 at Wikimedia Commons
