Post by marchesarosa on Feb 17, 2011 10:07:22 GMT 1
Anthony Watts says:
This is truly an impressive animation from the folks at the Solar Dynamics Observatory (Leif Svalgaard provides us a magnetic movie).
I’ve converted it to YouTube so more people can watch it. It shows the 5 day time lapse formation of massive sunspot group 1158 from nothing. What’s neat is how the perspective is maintained. I’ve never seen anything quite like this. Less than a week ago, sunspot 1158 didn’t exist. Now it is wider than the planet Jupiter and unleashing the strongest solar flares since December 13th, 2006, including an X-class solar flare that we covered here first on WUWT. Continue reading →
wattsupwiththat.com/2011/02/16/watch-sunspot-group-1158-form-from-nothing/#more-34161