Fig. 3.
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Active region (top row) and quiet-Sun (bottom row) longitudinal magnetic field maps. The active region corresponds to the blue square in Fig. 1 (NOAA AR 12960) and the quiet-Sun region has 50 × 50 pixels selected around disk center. We present SO/PHI-FDT retrievals (panels A and D), original SDO/HMI retrievals (panels B and E), and SDO/HMI results after convolution with the SO/PHI-FDT theoretical PSF (panels C and F). To facilitate comparison, the maps are rotated such that solar north points upward.
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