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Fig. 31.
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Pixel contrast distributions of AIA 1600 Å (blue) and ChroTel Ca II K (orange). Top row: unblurred AIA 1600 Å. Bottom Row: blurred AIA 1600 Å (FWHM = 10 pixels). ChroTel Ca II K distributions are the same for both rows. Left column: all 115 days. Middle column: the 10 most active days. Right column: the 10 quietest days.
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