Dear colleagues, CESRA organises a summer school on solar radio astronomy in Nancay (France), 20-24 September 2010. The web site is http://www.lesia.obspm.fr/cesra/summer2010/ Local expenses of the attendants will be covered, but travel expenses are in general expected to be supported by the home institution. The deadline for application indicated at the web site will be extended to end of June. Please communicate this information to your young collaborators. Best regards, Ludwig Klein on behalf of the CESRA board -- Karl-Ludwig Klein - Observatoire de Paris, LESIA Observatoire de Meudon Tel.: +33 (0)1 45 07 77 61 LESIA - Bat 14 Fax : +33 (0)1 45 07 79 59 F-92195 Meudon ludwig.klein@obspm.fr