The K7RA Solar Update

Over the past reporting week (December 7-13) we saw three days with zero sunspots (December 8, 9 and 13). Compared to the previous seven days, average daily sunspot number more than doubled to 6.9 and average daily solar flux increased from 69.6 to 71.

One new sunspot group (2691) emerged on December 10 with one spot, which increased to three over the next two days, but by December 13 it had all...

from rssdozen http://ift.tt/2kyN4Bz
via IFTTT