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The eastern & western elongations of Venus, 2007-'17. I. The sunlit hemisphere

McKim, R. J.; Abel, P.; Leatherbarrow, W. J.

Fourteen successive morning and evening elongations of Venus from 2007-2017 are reviewed. The work of 153 observers covered the time period of ESA's Venus Express and Japan's Akatsuki missions, and wavelengths from 335-1750nm. The instantaneous rotation period of the ultraviolet markings was studied as a function of latitude, and the results compa…