This week, we saw three days -- August 21-23 -- with no sunspots, and the average daily sunspot numbers for the week -- August 19-25 -- declined over 28 points to 8, compared to the previous week. The average daily solar flux was down more than 8 points to 75.3. The last period of three days or more without sunspots ended on May 20, 2010, about 100 days ago. Sunspot numbers for August 19-25 wer...
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