A cropped version of the penumbral eclipse of 2006 over Motif No. 1. The start and end of penumbral eclipses are challenging to observe — the subtle but distinct darkening on the edge of the lunar ... more 
A cropped version of the penumbral eclipse of 2006 over Motif No. 1. The start and end of penumbral eclipses are challenging to observe — the subtle but distinct darkening on the edge of the lunar disk usually doesn’t become apparent until roug less 
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SPACE.com | Photo By Imelda B. Joson and Edwin L. Aguirre
Tue, Nov 27, 2012 6:24 PM EST