Fig. 1
a) Normalized continuum intensity 
map of the observed sunspot in AR NOAA 11124 observed on 14 November 2010, obtained from VTT/TIP-2 data. Ic denotes the continuum intensity and 
is the averaged quiet Sun continuum intensity. b) 
map of the same sunspot observed on 16 November 2010. Arrows in both maps indicate the direction to disk center. Solar north and west directions are marked by arrows in the upper right of each panel.
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