Deep space
S Normae Cluster
Open cluster · C89 · NGC 6087
Open cluster in Norma
Photo: Roberto Mura · CC BY-SA 3.0 · Wikimedia Commons
NGC 6087 is an open cluster of 40 or more stars centered on the Cepheid variable S Normae in the constellation Norma. At a distance of about 3500 ly and covering a field of almost one quarter of a degree, the stars range from seventh- to eleventh-magnitude, the brightest being 6.5 magnitude S Normae. The aggregate visual magnitude of the cluster is about 5.4.
Description from Wikipedia (CC BY-SA 4.0).
In your sky
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Key facts
Distance
~3,300 light-years
Apparent mag.
+5.4
Apparent size
10.2′
Best seen with
Naked eye (dark sky)
Catalogue
C89 · NGC 6087
Did you know
- Listed as Caldwell 89 in the Caldwell catalogue, also known as NGC 6087.
- Found in the constellation Norma.
- Visible to the naked eye from a dark, moonless site.
