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Víctor M. Blanco Telescope

Víctor M. Blanco Telescope
4m-Victor M. Blanco Telescope cropped.jpg
Víctor M. Blanco Telescope
Named after Víctor Manuel Blanco Edit this on Wikidata
Location(s) Cerro Tololo Inter-American Observatory, Chile
Coordinates 30°10′10.78″S 70°48′23.49″W / 30.1696611°S 70.8065250°W / -30.1696611; -70.8065250Coordinates: 30°10′10.78″S 70°48′23.49″W / 30.1696611°S 70.8065250°W / -30.1696611; -70.8065250
Organisation NOAO
Altitude 2,207 m (7,241 ft)
Wavelength optical
Built 1974, completed 1976 
Telescope style reflector
Diameter 4.0 m
Collecting area 10.014 m2
Mounting equatorial, Ritchey-Chrétien
Enclosure spherical
Website www.ctio.noao.edu/telescopes/4m/4m.html
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The Víctor M. Blanco Telescope, also known as the Blanco 4m, is a 4-metre aperture telescope located at the Cerro Tololo Inter-American Observatory, Chile. Commissioned in 1974 and completed in 1976, this telescope is similar to the Mayall 4m telescope located on Kitt Peak. In 1995 it was dedicated and named in honour of Puerto Rican astronomer Víctor Manuel Blanco. It was the largest optical telescope in the Southern hemisphere from 1976 until 1998, when the first 8-metre telescope of the ESO Very Large Telescope opened.

Currently the main research instrument used at the telescope is the Dark Energy Camera (DECam), the camera used in the Dark Energy Survey. DECam saw its first light in September 2012.


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