Subject: ASZ0003mvv

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• by ElisabethB

  What causes this circle ?

  Posted September 15, 2014 10:33 PM

• by dvdgc13 translator, scientist

  @ElisabethB it seems the circle is a spot in this sunspot group, look http://bit.ly/1oXlgk2 - change the opacity on the left (MDI Int)

  Posted September 16, 2014 10:34 PM

• by ElisabethB

  Thanks ! 😄

  Posted September 18, 2014 6:42 AM