Mullard Space Science Laboratory, University College London Holmbury St. Mary, Dorking, RH5 6NT United Kingdom; University College London, Gower Street, London, WC1E 6BT United Kingdom
International Space University, Strasbourg Central Campus Parc d'Innovation, Illkirch-Graffenstdn, F-67400 France
University of Applied Science, Inst. of Computer Science Steinackerstrasse 5, Windisch, 5210 Switzerland
Observatoire de Paris, DASOP-LESIA Place Janssen 5, Paris, F-92190 France
INAF-Turin Astronomical Observatory, Via Osservatorio 20, Pino Torinese, 10025 Italy
NASA Goddard Space Flight Center, Solar Data Analysis Center Code 682.3, Greenbelt, MD 20771, USA
National Solar Observatory, PO Box 26732 950 N. Cherry Avenue, Tuscon, AZ 85726, USA
Rutherford Appleton Laboratory, Space Science and Technology Dept., Didcot, OX11 0QX United Kingdom
Institut d'Astrophysique Spatiale, Batiment 121 Universite Paris-sud, Orsay, F-91405 France
University of Bradford, Department of Cybernetics Richmond Road, Bradford, BD7 1DP United Kingdom