SOHO
11th February 2011, 21:50
By overlaying and fading from an SDO image of the Sun in extreme UV light (false color gold) to a SOHO magnetic image (taken at almost the same time)...
More... (http://soho.nascom.nasa.gov/pickoftheweek/old/11feb2011/)
More... (http://soho.nascom.nasa.gov/pickoftheweek/old/11feb2011/)