Helixes, cylindrical projections, rings, and all things circular!

• by Quia

  The mystical perfect circular storm... I mean, sunspot! They're both caused by the same thing, a simple, untwisted helical flux rope. I have a soft spot for circular sun based things after hunting down circular CMEs, it seems only fair to collect the matching sunspots!

  Posted February 10, 2015 7:09 AM

• by DZM admin

  Nice collection! 😄 Love it!

  Posted February 10, 2015 6:34 PM

• by astronomerj

  Nice collection

  Posted July 14, 2015 1:40 PM