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Open cluster NGC 7686, emission nebula NGC 7538, and barred spiral galaxy NGC 7640

October 6–13, 2011: Open cluster NGC 7686 in Andromeda offers small-telescope owners a nice view, while large-telescope owners can seek out emission nebula NGC 7538 in Cepheus and barred spiral galaxy NGC 7640 in Andromeda.

Cepheus
Emission nebula NGC 7538 lies 5° northwest of magnitude 4.9 Tau (τ) Cassiopeiae. This object is part of a vast array of nebulosity known as the Cassiopeia complex.
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 October 6–13, 2011

Small telescope: Open cluster NGC 7686
Large telescope: Emission nebula NGC 7538
Large telescope: Barred spiral galaxy NGC 7640

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