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  • Solar Disk-2015-05-14.gif

    05/15/2015 | The K7RA Solar Update

    This week our quiet sun came alive, and the visible solar disc now is crowded with sunspots.
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  • latest021011.jpg

    02/11/2011 | The K7RA Solar Update

    Seven different sunspot groups were visible over the past week. The high sunspot number in the past seven days was 71 on Tuesday, and the average daily sunspot number more than doubled, rising more than 24 points to 44.3. The average daily solar flux was
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