Cross sections through the observed sunspots: panels b and f, c and g and d and h depict profiles of B, γ′ and φ′, respectively, along an artificial slit represented by the red lines in panels a and e. Panels a–d refer to observations recorded on 14 November 2010 and panels e–h correspond to 16 November 2010. The black and blue curves in panels b–d and f–h correspond to the photosphere and upper chromosphere, respectively, while the dotted curves represent the continuum intensity.
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