Open cluster M21, globular cluster NGC 6553, and the Lost in Space Galaxy
July 14-21, 2011: Open cluster M21 and globular cluster NGC 6553 offer small-telescope owners nice views, while large-telescope owners can seek out the Lost in Space Galaxy.
July 14, 2011
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.
The constellation Sagittarius hosts both small-telescope objects: open cluster M21 and globular cluster NGC 6553.
Photo by Astronomy: Roen Kelly
Targets for July 14-21, 2011
Small telescope: Open cluster M21
Small telescope: Globular cluster NGC 6553
8-inch or larger telescope: Lost in Space Galaxy
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