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S Normae Cluster

C89, NGC 6087

Proper NameS Normae Cluster (sometimes given as 'S Norma Cluster')
Caldwell NumberC89
NGC/IC NumberNGC 6087
Right Ascension16h 20m 24s
Declination-57° 58' 37"
Distancec.2,900 light years
c.900 parsecs
MagnitudeApparent: +5.4
Absolute: -4.4
DiameterApparent: 14'
Actual: c.10 light years
Number of Starsc.40
Optimum VisibilityJune (Usually visible from southern latitudes)
NotesThe name 'S Normae Cluster' was originally allocated in the Caldwell Catalogue to NGC 6067, a slightly fainter open cluster that lies somewhat to the north. The cluster takes its name from the Cepheid variable S Normae, one of about forty stars that make up the cluster.


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