SOHO
12th November 2011, 21:00
The Sun blasted out two coronal mass ejections, one almost immediately following the other, over about half a day as seen by the STEREO Behind spacecraft...
More... (http://soho.nascom.nasa.gov/pickoftheweek/old/11nov2011/)
More... (http://soho.nascom.nasa.gov/pickoftheweek/old/11nov2011/)