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If you’ve never seen the three dark lanes in M13, known as “the propeller” let 2014 be your year.   

To read the full article on the Orion Telescope and Binocular site:  Go to the “Community Page” then “Deep-Sky Challenge” or just click on the following Orion link. 

http://www.telescope.com/Articles/Deep-Sky-Cluster/Globular-Cluster-M13-and-the-Elusive-Propeller/pc/-c/c/9/sc/770/p/102978.uts