• TwitterFacebookGoogle PlusLinkedInRSS FeedEmail
  • Friday, January 20, 2012

    The K7RA Solar Update

    New sunspot groups appeared on every day over the past week. On January 12, new sunspot group 1396 appeared, and the next day two more -- 1397 and 1398 -- popped into view. On January 14, four new sunspot groups appeared: 1399, 1400, 1401 and 1402. January 15 saw group 1391 vanish and new group 1403 emerge. Two more appeared January 16 -- 1404 and 1405 -- while 1397 vanished. On January 17, 140...


    Via ARRL - Read the full Article