The K7RA Solar Update

This week, the average daily sunspot numbers remained about the same, with the number nudging up from 120.9 to 121.7, while the average daily solar flux numbers went from 136.5 to 137.5. For the past two weeks, the average planetary A index has been the same as the mid-latitude A index. Last week they were both 9.9; this week, both values were 8.

Sunspot numbers for May 2-8 were 102, 139, 156, 1…

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