Solar Eclipse Challenge Starts August 20th at 18:00 UT
It's the challenge you've been waiting for, GCW-LLR!Running from August 20th 18:00 UTC until August 23rd 18:00 UTC.For more information, please see the official challenge thread: http://www.primegrid.com/forum_thread.php?id=7540So come and join us and celebrate the Solar eclipse of August 21, 2017.

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