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Fig. 2.

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First and last dataset pairs used in this study, from 20 and 22 October 2022 (A and B, respectively). Top: BLOS and μ of a facular region near disc centre (a and b). Bottom: BLOS and μ of same region, as seen simultaneously by SDO/HMI (c and d). The contour shows the location of the SO/PHI field of view, and the μ in the SDO/HMI view-point is shown only for the contoured region.

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