Subject: ASZ000043l

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Comments

• by Artman40

  Weird ellipse.

  Posted March 3, 2014 12:44 AM

• by pahiggins

  Aha, so the double-C shape you see here is the signature of emerging magnetic fields (flux emergence).

  Posted March 3, 2014 8:22 AM

• by pahiggins

  One explanation is that it is helical magnetic fields passing through a surface (all you can see is the cross-section, making a double-C)

  Posted March 3, 2014 8:24 AM