Fig. A.1.
Overview of the analysed regions. Left panel: full disc Sun as seen by SDO/HMI on the day of observations. The two regions of interest are marked by a red square – active region NOAA 11190 – and blue square – quiet Sun region. Right panel, top row from left to right: a continuum map of the NOAA 11190 (red square) followed by the corresponding magnetogram is shown. Bottom row: same, but for the quiet Sun region. Time shown is April, 11 2011 at 17:45 UT.
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