A

David

Darling

La Silla Observatory

La Silla Observatory

An observatory atop the 2,400-meter La Silla mountain that borders the southern extremity of the Atacama desert in Chile, about 160 kilometers north of La Serena at 29� 15' S, 70� 44' W. Operated by the European Southern Observatory (ESO), its instruments include a 3.6-meter reflector opened in 1976, the 3.5-meter New Technology telescope, opened in 1989, a 1.52-meter reflector, opened in 1968, a 1-meter Schmidt, opened in 1972, and 1-m photometric telescope, opened in 1968. Also at La Silla is the 15-meter Swedish-ESO Submillimetre Telescope, the Leonard Euler Telescope (with extrasolar planet detection), and a variety of other instruments owned by individual nations.