Fig. 7
![thumbnail](/articles/aa/full_html/2012/09/aa19694-12/aa19694-12-fig7.jpg)
Decorrelation times computed using the linear Pearson (left) and Spearman’s rank order (middle) correlation coefficients for the intensity of G-band images. The time-series was divided into two parts, from 02:46–10:26 UT (top) and 10:34–18:14 UT (bottom). Average G-band images for these time intervals (right) clearly show the penumbral decay of the satellite sunspot.
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