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  • solar flare

    02/28/2014 | The K7RA Solar Update

    The second peak of Solar Cycle 24 is not yet over
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  • sun

    11/27/2013 | The K7RA Solar Update

    Sunspot numbers decline sharply
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  • Solar Flare

    10/11/2013 | The K7RA Solar Update

    Solar flux is expected to remain above 100 for the next 45 days.
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  • latest080312

    08/03/2012 | The K7RA Solar Update

    The average daily sunspot numbers this week were up more than 47 points to 99.3, while the average daily solar flux rose nearly 35 points to 131.7.
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  • latest112311

    11/23/2011 | The K7RA Solar Update

    Not much in the way of solar excitement this week, except there are many sunspots, but the solar activity in terms of flares or coronal mass ejections is low. The overlapping (by one day) average sunspot numbers in this bulletin declined 21 points to 124.
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  • 04/25/2008 | The K7RA Solar Update

    This week we had a couple of brief sunspot appearances -- 991 and 992 -- but they were both from Solar Cycle 23 and their emergence was fleeting. On Wednesday, April 23, the planetary A index rose to 32 due to a solar wind and south-pointing Interplanetar
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