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  • 08/21/2009 | The K7RA Solar Update

    The quiet Sun continues to baffle us. If there are no sunspots today -- and I don't expect any to emerge -- this will be the 42nd day in a row with no sunspots; July 10 was the last day we saw any spots. There is really no way to predict when the next sun
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  • 10/24/2008 | The K7RA Solar Update

    Visible sunspots continued last week for eight days straight, the longest continuous period of sunspot visibility since the 12 days of March 23April 3 last year. Sunspot numbers for October 16-22 were 24, 11, 0, 0, 0, 0 and 0 with a mean of 5. The 10.7 cm
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  • 08/15/2008 | The K7RA Solar Update

    Our Sun is still not producing any sunspots. As mentioned in previous bulletins, the peak of the last Solar Cycle was a double peak, so perhaps we are in the midst of an extended bottom. Sunspot numbers for August 7-13 were 0, 0, 0, 0, 0, 0 and 0 with a m
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  • 06/06/2008 | The K7RA Solar Update

    We had seven days of no sunspots this week, but a sunspot was emerging on Thursday, June 5. Helioseismic holography revealed a high latitude sunspot on the opposite side of the Sun. Until recently, we had no idea what was happening on the far side of the
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  • 05/23/2008 | The K7RA Solar Update

    This week several new sunspots appeared for five days, but they were all leftover spots from Solar Cycle 23, not new Cycle 24 spots. But this is okay, because at the sunspot minimum we appreciate any spots we can get. May 16-20 saw daily sunspot numbers o
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  • 05/02/2008 | The K7RA Solar Update

    For several weeks we expected today, May 2, to have active geomagnetic conditions. For instance, if you look at a forecast from April 23, it shows an expected planetary A index for May 1-3 of 10, 20 and 15. The next day, April 24, this changed to 8, 20 an
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