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  • Solar Flare

    12/05/2014 | The K7RA Solar Update

    A substantial increase in solar activity this week.
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  • SolarFlare042913.jpg

    05/03/2013 | The K7RA Solar Update

    Solar activity made a healthy jump over the past week, with the average daily sunspot numbers up more than 30 points to 120.9, while the average daily solar flux increased more than 27 points to 136.5.
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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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  • 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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  • 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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  • Scientists predict that Solar Cycle 24 will peak in May 2013 with 90 sunspots per day on average. [Graph courtesy of Space Weather Prediction Center]

    05/11/2009 | Scientists Predict Solar Cycle 24 to Peak in 2013

    At the annual Space Weather Workshop held in Boulder, Colorado last month, an international panel of experts led by NOAA's Space Weather Prediction Center (SWPC) predicted that Solar Cycle 24 will peak in May 2013 with 90 sunspots per day on average. If t
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  • 01/09/2009 | The K7RA Solar Update

    On Wednesday, January 7, a sunspot appeared very briefly in the lower right portion of the Sun's image. It was so brief that NOAA did not record it on the Space Weather Prediction Center's daily solar data chart for that day. Spaceweather.com reported a s
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