Calar Alto Observatory
LocationSpain
Year1973
Size3.5 m telescope
OperatorMPIA/CSIC
About Calar Alto Observatory
Situated in the Sierra Nevada at 2,168 m, among the finest sites in continental Europe. Founded as a German national observatory and run jointly with Spain since 2004. The 3.5 m telescope opened in 1984. Its CARMENES spectrograph hunts planets around red dwarf stars.