Intensity maps of the observed NOAA 12096 sunspot corresponding to the continuum (left panels) and to the Si I 1082.7 nm line core (center panels). The top panels represent the original data and the bottom panels the reconstructed data. The right-most panels show a zoom over the original (top) and reconstructed (bottom) sunspot umbra in the continuum (see the square in the top left panel). The contours outline the region where the Si I 1082.7 nm continuum is below 25% of the average quiet Sun.
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