Solar activity was up for this reporting week, September 21-27.
Eight new sunspot groups appeared, two on September 21, two more on
September 22, two more on September 25, another on September 26 and
another on September 27.
The average daily sunspot number jumped from 118.4 to 170.6, while
average daily solar flux went from 149.3 to 168.8.
The Autumnal Equinox was last weekend in the Northern Hemisp...
