M20 . .
Index
. . M22
Messier 21
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)
Last Modification: 23 Dec 1999, 22:26 MET