I felt cheated this week when a much-anticipated sunspot only appeared just briefly, disappearing after two days. Sunspot region AR2758 only appeared on March 8-9, with daily sunspot numbers of 13 and 12. Average daily sunspot numbers for the week rose from zero to 3.6, while average daily solar flux increased (minimally) from 70 to … Continue reading The K7RA Solar Update 03/13/2020