No sunspots appeared last week. The previous seven days had only one big sunspot group on one day, with a sunspot number of 35. Over the seven-day period this averaged out to a sunspot number of 5, so average daily sunspot numbers declined from 5 to 0 this week.
Average daily solar flux also declined, by one point from 69.5 to 68.5.
Geomagnetic indicators were quiet, with average daily planetary ...
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Average daily solar flux also declined, by one point from 69.5 to 68.5.
Geomagnetic indicators were quiet, with average daily planetary ...
Continue reading...