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Observing podcast: Open cluster M25, the Black Swallowtail Butterfly Cluster, and the Lost in Space Galaxy

August 19-26, 2010: Open cluster M25 makes a nice target for beginning observers, while the Black Swallowtail Butterfly Cluster and the Lost in Space Galaxy provide nice targets for telescope owners.
Sagittarius
Tour M8's neighborhood on a clear August night using this finder chart.
Astronomy: Roen Kelly
Each week, Astronomy magazine Senior Editor Michael Bakich, a master at explaining how to observe, posts a podcast about three objects or events you can see in the sky.

In each episode, Michael highlights:
  • One object you can see without any optical aid
  • One object you can see with a small (4-inch) telescope
  • One object you can see with at least an 8-inch telescope

Targets for August 19-26, 2010
    Naked eye: Open cluster M25
    Small telescope: Black Swallowtail Butterfly Cluster
    8-inch or larger telescope: Lost in Space Galaxy

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