Teide Observatory - An astronomical observatory on Mount Teide

Solar Vacuum Tower Telescope (VTT): 70 cm diameter. Operated by the Kiepenheuer Institute of Solar Physics, Freiburg (Germany). Installed in 1989. THÉMIS Solar Telescope: 90 cm diameter, built 1996, operated by Italy and France. GREGOR Solar Telescope: 1.5 m, operated by a German consortium. In operation since May 2012. A node of the Birmingham Solar Oscillations Network (BiSON), operated by the University of Birmingham, UK. Carlos Sánchez Infrared Telescope (TCS): 152 cm diameter installed by the UK in 19