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M92 -- A Globular Cluster in Hercules

From the author of   Sizing Up The Universe

Click here for Hertzsprung-Russell diagram.


22:22 EDT Aug 10, 2005.
Starlight Express SXV-H9 on 10" RC at f/9.
L = 10.5 min, R = 3.5 min, G = 5 min, B= 5 min (unguided 30-second subexposures).
Log stretch, Unsharp mask.

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