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The Captain Hook Cluster, a complex of dark nebulae, and globular cluster M54

August 11-18, 2011: The Captain Hook Clutser and a complex of dark nebulae in Scutum offer small-telescope owners nice views, while large-telescope owners can seek out globular cluster M54.

sagittarius
To find globular cluster M54, look 1.7° west-southwest of magnitude 2.6 Ascella (Zeta [ζ] Sagittarii).
Astronomy: Roen Kelly
Each week, Astronomy magazine Senior Editor Michael E. Bakich, a master at explaining how to observe, posts a podcast about three objects or events you can see in the sky.

Targets for August 11-18, 2011

Small telescope: The Captain Hook Cluster (NGC 6633)
Small telescope: A complex of dark nebulae in Scutum
8-inch or larger telescope: Globular cluster M54

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