"Amigos del IAC" at the Teide Observatory
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Solar observation in front of GREGOR telescope
Ramón Luis Valcárcel, Esteban González Pons, Alfred Rosenberg, Gabriel Mato and Rafael Rebolo during the opening of the exhibition "100 square moons" in the European Parliment
From left to right: Campbell Warden, Leif Edvinsson, Günter Koch and Rodrigo Trujillo