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Fig. 6


5% (left column) and 10% (right column) contrast ratios (CR) vs. time. See the main text for the definition and Fig. 5 for an illustration. The one-year periods during minimum 22 and minimum 23 are given by the bottom and top axis, respectively. Each panel represents results for a different binsize (labelled in the panel). The horizontal lines show the average value of each CR. Binsize 1 means that the intensity images are not binned.

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