Globular Cluster M13 and The Elusive Propeller – Orion Telescope and Binoculars Article – Posted: June 5th 2013

M13 is one of the most popular deep-sky objects in the night sky, but few have seen the three dark lanes, known as the propeller.

Please share if you can see this most interesting feature during your next deep-sky observing session.

Please click on the following link at Orion Telescope and Binoculars:

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