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  • 11/13/2009 | The K7RA Solar Update

    Sunspot region 1029 disappeared after October 30, but not because it faded away -- it was transiting over our Sun's western horizon on its trip around the back side. Six days after it was gone, a new region -- region 1030 -- appeared for several days, Nov
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  • 10/02/2009 | The K7RA Solar Update

    With the appearance of two sunspots, the past 11 days had some nice HF propagation. Combined with quiet geomagnetic conditions and month after month of quiet Sun, it seems quite a dramatic relief. Sunspot 1026 has faded away, and sunspot 1027 -- which app
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  • 09/11/2009 | The K7RA Solar Update

    No new sunspot activity this week, and no emerging sunspots are visible on the far side of the Sun. Sunspot region 1025 (or 11025) that appeared over August 31 and September 1 faded more than a week ago, and the area in which it appeared has just rotated
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  • 07/10/2009 | The K7RA Solar Update

    Finally, some sunspot activity to report -- and not one of those phantom spots that appear one day and vanish the next. Sunspot group 1024 first emerged a week ago on July 3 with a daily sunspot number of 17 and the magnetic signature of a new Solar Cycle
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  • 05/01/2009 | The K7RA Solar Update

    The data at the end of last week's bulletin showed daily sunspot numbers from April 16-22 as six zeros, then 11. In fact, every day was at zero until April 21, when it was 11; it moved again to zero the next day, April 22. We had just as many zero sunspot
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  • 04/24/2009 | The K7RA Solar Update

    Teased again, on Wednesday, April 22 we saw sunspot 1015 fade away, just as it was about to slip over our Sun's western limb. It emerged only briefly, late on April 21, and by Thursday it had disappeared. Sunspot numbers for April 16 through 22 were 0, 0,
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  • 12/12/2008 | The K7RA Solar Update

    Finally! A sunspot group appeared this week, about three weeks since the last group disappeared. The first spotless day after sunspot group 1008's last appearance was Tuesday, November 18; the last spotless day before group 1009 emerged was Tuesday, Decem
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