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New Technology Telescope
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The New Technology Telescope or NTT is a 3.58-metre Ritchey–Chrétien telescope operated by the European Southern Observatory. It began operations in 1989. It is located in Chile at the La Silla Observatory and was an early pioneer in the use of... Wikipedia
Built: –1989
Diameter: 3.58 m (11 ft 9 in)
Location(s): Atacama Desert
Telescope style: Ritchey–Chrétien telescope; thin mirror telescope