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  • Sunspot050610

    05/07/2010 | The K7RA Solar Update

    Sunspots made a strong return this week -- and so did geomagnetic activity. The average daily solar flux increased 4.2 points to 79.6; on Wednesday, May 5, the daily sunspot number reached 77, the highest in nearly four years. The sunspot number hasn’t be
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  • sunspot032510

    03/26/2010 | The K7RA Solar Update

    New sunspot group 1057 appeared on March 23; by March 24, it was 38 times its original size. It covered 10 one-millionths of the solar hemisphere on Tuesday, and on Wednesday, it grew to 380 one-millionths. On Thursday, new sunspot group 1058 appeared, an
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  • sunspot030410

    03/05/2010 | The K7RA Solar Update

    Two new sunspot groups appeared on March 1, numbered 1052 and 1053. The total number of sunspot groups appearing over the last month is 11. Looking at our 3-month moving average of daily sunspot numbers, the latest for December-January-February is 22.4, f
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