Tad Cook, K7RA, Seattle, reports: Merry Christmas!
Sunspots went missing last Friday and Saturday, but large new sunspot group 2794 appeared on Sunday, December 21, and on Wednesday, Spaceweather.com reported new sunspot group 2795 emerging over our sun’s southeastern limb.
This disappearance depressed the average weekly sunspot number, which went from 17.4 last week to 10.3 this week, ending on ...
Continue reading...
Sunspots went missing last Friday and Saturday, but large new sunspot group 2794 appeared on Sunday, December 21, and on Wednesday, Spaceweather.com reported new sunspot group 2795 emerging over our sun’s southeastern limb.
This disappearance depressed the average weekly sunspot number, which went from 17.4 last week to 10.3 this week, ending on ...
Continue reading...