Inter-American observatory of Cerro Tololo is a scientific complex made up of telescopes and other instruments used for professional astronomical observation. It is located about 80 km East of the city of La Serena, Chile, at an altitude of 2200 metres.
Keywords:
array, astronomical observation, astronomy, atacama desert, Chile, Chile land of telescopes, daylight, observation, Patricio Estay, sky, South America, telescopes, Cerro Tololo, clouds, cloudy