Year of the Comet
Comet C/2011 L4 (PANSTARRS)

PANSTARRS information

Comet C/2012 S1 (ISON)

ISON information

Podcasts

Centaurus A, spiral galaxy M101, and the spiral galaxy NGC 5248

May 5-12, 2011: Centaurus A makes a nice target for small-telescope owners, while spiral galaxy M101 and the spiral galaxy NGC 5248 await large-telescope owners.
By Michael E. Bakich
Published: May 5, 2011
ursa-major
This week’s first large-scope object is spiral galaxy M101 in Ursa Major the Great Bear.
Photo by 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 May 5-12, 2011
Small-telescope: Centaurus A
8-inch or larger telescope: Spiral galaxy M101
8-inch or larger telescope: Spiral galaxy NGC 5248

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