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07/29/2016 | The K7RA Solar Update
More spotless days ahead
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11/30/2015 | The K7RA Solar Update
Unsettled conditions in the forecast
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01/23/2015 | The K7RA Solar Update
Unsettled conditions in the forecast
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12/17/2013 | Solar Scientists Say Cycle 24 is the Weakest in More than a Century
Scientists say Cycle 24 is the weakest in more than 100 years.
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01/11/2013 | The K7RA Solar Update
After last week’s somewhat downbeat look at sunspot cycles -- current, past and future -- we sure have some great activity to report this week: The average daily sunspot number more than doubled in the past week, rising nearly 93 points to 163.3, while th
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Feature
12/21/2012 | The K7RA Solar UpdateIt is Friday, and the world did not end. To herald this non-event, NASA even produced a wonderful video that explained how the whole thing was a misconception. The Mayan calendar is like an odometer, and when it gets to 999,999, it just roles over to 0 an
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03/02/2012 | The K7RA Solar Update
The average daily sunspot number this week was down 12 points from the previous week, and the solar flux was about the same. Sunspot numbers for February 23-29 were 52, 47, 47, 58, 45, 35 and 22, with a mean of 43.7. The 10.7 cm flux was 103.3, 108.9, 108
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02/03/2012 | The K7RA Solar Update
Here are some yearly averages that we have neglected at the beginning of the year. These are the average daily sunspot numbers for whole calendar years, from 1994-2011: 48.1, 28.7, 13.2, 30.7, 88.7, 136.3, 173, 170.3, 176.7, 109.2, 68.6, 48.9, 26.1, 12.8
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