Fig. 4.
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Strong-field regions in voids and QS. The background image is the same as in Fig. 1, i.e., the 174 Å image from HRIEUV (left) and the magnetogram from SO/PHI-HRT (right). To highlight strong-field regions, we colour the regions of magnetic field with a strength above ±50 G in red and blue for positive and negative magnetic polarities, respectively. See Sect. 3.3.2.
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