Fig. 8

Observations of the visual binary WASP-85 on 2015-04-29 (left) and 2015-05-15 (right). The data show “companions” associated with each of the stellar components, which are in fact secondary images of the two stars caused by the “blue leak” in the TCI dichroic. The separations of the secondary images increase with airmass. The position angles vary with the parallactic angle, which is indicated by the red lines.
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