Fig. A.1
Qφ (left column) and Uφ (middle column) images and the S/N maps (right column) of the polarimetric data per block of SP cycles. First three rows: data of first three blocks of SP cycles taken on 2018 February 28. Data recorded on 2018 June 22 are shown in the bottom row. Data in the lower two rows are taken with the sky field rotated by 60° on detector.
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