Temporal variation of a cluster of bright patches in the Khepry region prior to the perihelion passage. Several individual patches of the cluster are numbered 1 through 5 to follow their stability over time. Despite varying spatial resolutions and observing geometries of the images, it is clear that the numbered patches have remained stable for about 3 months from end of August to end of November 2014. The latest of this sequence dating to end of March 2015 reveals no survivingpatches and suggests their sublimation.
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