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Mercury Image 2019/12/07(UT)
Frank J Melillo
Frank
I made a two image animation showing Mercury a slight rotation from left to right.
Between two days, it rotated about 9 degrees in longitude.
Note that two rayed craters Ellington and Debussy (bottom) moved with the rotation while the phase advanced.
[Frank J Melillo Holtsville NY U.S.A]
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