http://en.wikipedia.org/wiki/LASCO_Large_Angle_and_Spectr...
The Large Angle and Spectrometric Coronagraph (LASCO) is one of a number of instruments aboard the Solar and Heliospheric Observatory satellite (SOHO). LASCO consists of three solar coronagraphs with nested fields of view
Monday, December 12, 2011
Current LASCO C2 and LASCO C3 - Monday DECEMBER 12, 2011
