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  • latest081612

    08/17/2012 | The K7RA Solar Update

    There was a big drop in solar activity over the past week, with the average daily sunspot numbers declining nearly 42 points to 77.6, and the average daily solar flux down 20 points to 114.7.
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    03/06/2012 | Active Sunspot Region 1429 Produces Solar Flares, Coronal Mass Ejections

    An X-1.1 class solar flare erupted from the Sun on Sunday, March 4 at 11:13 PM EST (0413 UTC March 5), sending an explosion of plasma and charged particles -- a coronal mass ejection (CME) -- hurtling through space. Forecasters at NOAA’s Space Weather Pre
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  • latest012612

    01/27/2012 | The K7RA Solar Update

    This was another week where average daily sunspot numbers declined, while average daily solar flux increased. Sunspot numbers for January 19-25 were 117, 88, 102, 103, 108, 105 and 68, with a mean of 98.7. The 10.7 cm flux was 157, 141.2, 141.6, 141, 144.
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  • latest090811

    09/09/2011 | The K7RA Solar Update

    The solar indicators were up again this week, with the average daily sunspot numbers increasing nearly 21 points to 104.3, while the average daily solar flux rose nearly 12 points to 115.5. Geomagnetic numbers were up as well, with the most active geomagn
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  • latest081811

    08/19/2011 | The K7RA Solar Update

    Solar activity was down again this week. The sunspot number on Sunday, August 14 went all the way to 0 for the first time since January 27, which was 29 weeks ago. The average daily sunspot numbers declined nearly 50 points, to 25.6, while the average dai
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  • latest080411

    08/05/2011 | The K7RA Solar Update

    Solar activity markedly increased this week, with the sunspot number rising to 130 on Monday, August 1 -- the highest since a reading of 131 on April 14, 2011. The average daily sunspot numbers more than doubled this week compared to last, rising nearly 5
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    08/05/2010 | Active Sun Puts on Display for Earth

    It was quite a busy weekend for our Sun. During the late hours of Friday, July 30, a magnificent coronal mass ejection (CME) billowed away from the eastern limb of the Sun; the source of the blast was apparently sunspot 1092. On Sunday, August 1 at approx
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