M20 . . Index . . M22

Messier 21

[m21.jpg]

M 21 (NGC 6531) Open Cluster in Sagittarius.
RA=18 04.6, Dec=-22 30. 6.5 mag, dist=4.25 kly.

M21 page; DSSM page

Hartmut Frommert (spider@seds.org)
Christine Kronberg (smil@lrz.uni-muenchen.de)

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Last Modification: 23 Dec 1999, 22:26 MET