C89 · open cluster

NGC 6087

NGC 6087 is an open cluster of 40 or more stars centered on the Cepheid variable S Normae in the constellation Norma.

RA16h 18m 50sDec−57° 56' 04"

Image: Roberto Mura. CC0, via Wikimedia Commons.

Identity & coordinates

Identification

Primary designation: C89
All designations: C89 · NGC 6087
Object type: Open Cluster
Constellation: Norma
Best viewing: Summer

Coordinates & physical

Right ascension (J2000): 16h 18m 50s
Declination (J2000): −57° 56' 04"
Apparent magnitude (V): —
Distance: —

III

Visibility tonight

The science

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.

Summary adapted from Wikipedia · CC-BY-SA-4.0