Shape of Lunar Limb During a Solar Eclipse
November 03, 2005
Provided by: Pete Lawrence
Summary Author: Pete Lawrence
During a total solar eclipse or an annular eclipse, as the Moon covers the last sliver of the Sun, the solar photosphere, shining through lunar valleys, causes the effect referred to as Bailey's beads. While analyzing images of the Baily's beads phenomenon taken during the third contact phase of last month's annular eclipse (October 3), it occurred to me that the images could be used to reveal the shape of the lunar limb at the contact point. A technique for extracting this information is explained at the link below. The results shown on the image above reveal remarkable concurrence with the predicted lunar profile. Photo taken from Madrid, Spain.
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