Like last week, eight new sunspot groups emerged this reporting
week, September 7-13.
One appeared on September 7, another September 9, four more on
September 10, another on September 11 and one more on September 12.
Solar activity made a nice comeback, with average daily sunspot
numbers rising from 95.4 to 138.1, and solar flux from 137.6 to
159.9.
The most active geomagnetic day was September 12, wh...
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week, September 7-13.
One appeared on September 7, another September 9, four more on
September 10, another on September 11 and one more on September 12.
Solar activity made a nice comeback, with average daily sunspot
numbers rising from 95.4 to 138.1, and solar flux from 137.6 to
159.9.
The most active geomagnetic day was September 12, wh...
Continue reading...