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Cerro Tololo Inter-American Observatory (CTIO)

Cerro Tololo Inter-American Observatory
A complex of astronomical telescopes and instruments located 70 km east of La Serena, Chile, at an altitude of about 2,200 m on Cerro Tololo mountain. Founded in 1963 and part of the U.S. National Optical Astronomy Observatories, its main instrument is the 4-meter Blanco Telescope, opened in 1976, that is the southern twin of the 4-m instrument at Kitt Peak National Observatory. On a peak 10 kilometers to the southeast is the 8-meter Gemini South telescope.

External link

CTIO homepage

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