Institution: | 1. Astronomical Institute of the Academy of Sciences, Fri?ova 298, 25165 Ond?ejov, Czech Republic;2. Instituto de Astrofísica de Canarias (IAC), Vía Lactéa, 38200 La Laguna (Tenerife), Spain;3. Departamento de Astrofísica, Universidad de La Laguna, 38205 La Laguna (Tenerife), Spain;4. Institute for Solar Physics, Department of Astronomy, Stockholm University, AlbaNova University Centre, SE-106 91 Stockholm, Sweden;5. Max-Planck Institute for Solar System Research, Justus-von-Liebig-Weg 3, 37077 Göttingen, Germany;6. Kiepenheuer-Institut für Sonnenphysik, Schöneckstr. 6, 79104 Freiburg, Germany |