This is the last bulletin of 2013. In the first bulletin of 2014 we will review the previous year, and look at some averages to give us perspective on the current solar cycle 24.
Solar activity declined somewhat this week. The average of daily sunspot numbers retreated nearly twenty points from 134.4 to 114.6, and average solar flux was off nearly 21 points to 138.8. Geomagnetic indices were qui...
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Solar activity declined somewhat this week. The average of daily sunspot numbers retreated nearly twenty points from 134.4 to 114.6, and average solar flux was off nearly 21 points to 138.8. Geomagnetic indices were qui...
More...