CDS was built and is operated by a consortium led by the Rutherford Appleton Laboratory and including the Mullard Space Science Laboratory, the NASA Goddard Space Flight Center, Oslo University and the Max Planck Institute for Extraterrestrial Physics, Garching. LASCO was built and is operated by a consortium led by the US Naval Research Laboratory and including Birmingham University, the Max Planck Institute for Aeronomy, Lindau and the Laboratoire d'Astronomie Spatiale, Marseille. SOHO is a mission of international cooperation between ESA and NASA. We acknowledge the Yohkoh/SXT team for the use of their data for Fig. 3.
© European Southern Observatory (ESO) 2000
Online publication: June 20, 2000