The last day with a visible sunspot was April 4.
Over the past reporting week, April 16-22, average daily solar flux was 69, down a half point from the previous week, when the average was 69.5.
Average daily planetary A index was 7.3 while mid-latitude A index was 7. This was up from 6.1 and 5, mainly due to the first geomagnetic storm of 2020, which pushed planetary A index to 18 on April 19. Th...
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Over the past reporting week, April 16-22, average daily solar flux was 69, down a half point from the previous week, when the average was 69.5.
Average daily planetary A index was 7.3 while mid-latitude A index was 7. This was up from 6.1 and 5, mainly due to the first geomagnetic storm of 2020, which pushed planetary A index to 18 on April 19. Th...
Continue reading...