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A tale of two clusters

August 2011: A secluded spot in the sky causes many to overlook a second great globular in Hercules.
Glenn Chaple
I confess to eagerly listening to M13’s “music” while tuning out M92. Since 1970, when I first began observing, I’ve paid homage to M13 on countless summer evenings. During that same time, I doubt I’ve visited M92 more than a dozen times.

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