The Binocular Sky


M23 (NGC 6494)

Constellation: Sgr
Object Type: Open Cluster
RA:  17h 57m 0s
Dec:  -19° 1' 0"
Magnitude: 5.5
Recommended minimum aperture: 50mm

Charts for 100mm Binocular (2.5° aperture circle).   Click on a chart to print it.


Scan SE 6° from ξ Ser, in the direction of μ Sgr. M23 should lie within the field of view.

What You Should See:

This large bright cluster is an exquisite object in large binoculars and shows over a dozen stars at ×37. To my perception, the brighter stars form a lower case alpha (α).

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