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  • 07/24/2009 | The K7RA Solar Update

    No new sunspots yet, but a big surprise this week with aurora and a geomagnetic storm: Sunspot activity peaked around 0300-0900 UTC on Wednesday July 22, with K index as high as 6. The planetary A index for the day was 24. You can see the K index variatio
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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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  • 06/26/2009 | The K7RA Solar Update

    Two new sunspots appeared last week, numbered 1022 and 1023, and both were Solar Cycle 24 spots, with 1022 lasting through June 23 and 1023 until June 24. On June 24, geomagnetic indices were unsettled. Sunspot numbers for June 18-24 were 0, 0, 0, 12, 24,
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  • 06/19/2009 | The K7RA Solar Update

    I bet you have this memorized: "Solar activity was very low throughout the reporting period, and geomagnetic field activity was at quiet levels during most of the reporting period." Enough said? The first sunspot region of Solar Cycle 24 occurre
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  • 06/12/2009 | The K7RA Solar Update

    Sunspot numbers from May 31-June 5 ranged from 13 to 23, then the Sun was blank for two days, followed by sunspot numbers of 12 for both June 8 and 9. This fleeting sunspot was number 1020, and like last week's spot, 1020 had the magnetic signature of a n
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  • 06/05/2009 | The K7RA Solar Update

    It is so great to see some real Solar Cycle 24 sunspot activity this week. Instead of a phantom that pops into view one day and is gone the next, we have sunspot 1019, which has persisted for five days so far. Emerging on Sunday, May 31, the resulting dai
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  • MaunderMinimum

    06/01/2009 | NASA Releases New Predictions for Solar Cycle 24

    An international panel of experts -- led by the National Oceanic and Atmospheric Administration (NOAA) and sponsored by NASA -- has released a new prediction for the next solar cycle: Solar Cycle 24 will peak in May 2013 with a below-average number of sun
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