M21
NGC 6531
Open Cluster
Excellent (62/100)
NGC 6531
OpenCluster
Sgr
Visible
Level 1
Naked eye / Binoculars - Wide field preferred
Properties
Magnitude
5.9
Angular Size
6.0′
Cl, pRi, lC, st 9...12; = M21
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Position & Identifiers
RA
18h 04m 36.0s
Dec
-22° 30' 00.0"
Constellation
Sgr
Catalog
NGC 6531
Visibility
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Survey Image
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