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New Technology
Cerro La Silla

The ESO New Technology Telescope (NTT) is an Alt-Az, 3.58m Richey-Chretien telescope which pioneered the use of active optics. The telescope and its enclosure had a revolutionary design for optimal image quality. The NTT first light happened in 1989.

DETAILS  
Aperture: 3.6 meters   Latitude: 29 15 S
First light: 1989 Longitude: 70 44 W
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Elevation: 2400 meters