Sunspots are gone again this week, with none observed since September 12.
Average daily sunspot number declined to zero this week from 7.6 last week. Average daily solar flux was unchanged at 68.6. Average daily planetary A index declined from 12.6 to 9.7, while average daily mid-latitude A index went from 10 to 8.3.
The Autumnal equinox is this weekend, at 0154 UTC on Sunday, September 23, 2018...
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Average daily sunspot number declined to zero this week from 7.6 last week. Average daily solar flux was unchanged at 68.6. Average daily planetary A index declined from 12.6 to 9.7, while average daily mid-latitude A index went from 10 to 8.3.
The Autumnal equinox is this weekend, at 0154 UTC on Sunday, September 23, 2018...
Continue reading...
