Cerro Armazones

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Cerro Armazones
The peak of Cerro Armazones appears flattened as efforts continue to craft a platform for the European Extremely Large Telescope.
Elevation 3,064 m (10,052 ft)
Cerro Armazones is located in Chile
Cerro Armazones
Cerro Armazones
Location in Chile
Location Antofagasta Region, Chile
Range Cordillera Vicuña Mackenna
Coordinates 24°35′21″S 70°11′32″W / 24.58917°S 70.19222°W / -24.58917; -70.19222Coordinates: 24°35′21″S 70°11′32″W / 24.58917°S 70.19222°W / -24.58917; -70.19222

Cerro Armazones is a mountain located in the Sierra Vicuña Mackenna of the Chilean Coast Range, approximately 130 km (81 mi) south-east of Antofagasta in the Antofagasta Region, Chile. Before the construction of the European Extremely Large Telescope started the summit was a horizontal control point with an elevation of 3,064 metres (10,052 ft).[1] It is located in a privileged zone for optical astronomy because it has 89% cloudless nights a year.[2] It currently hosts the 1.5 m (5 ft) Hexapod-Telescope and other telescopes at the Cerro Armazones Observatory.

On 26 April 2010, the European Southern Observatory Council selected Cerro Armazones as the site for the planned European Extremely Large Telescope.[3]



  1. ^ Joint Operations Graphic (JPEG) (Map) (1 ed.). 1 : 250,000. 1501. Defence Mapping Agency Topographic Center. 1974. p. Sheet SG 19-2. 
  2. ^ Schöck, M.; Els, S.; Riddle, R.; Skidmore, W.; Travouillon, T.; Blum, R.; Bustos, E.; Chanan, G.; Djorgovski, S. G.; Gillett, P.; Gregory, B.; Nelson, J.; Otárola, A.; Seguel, J.; Vasquez, J.; Walker, A.; Walker, D.; Wang, L. (1 April 2009). "Thirty Meter Telescope Site Testing I: Overview". Publications of the Astronomical Society of the Pacific 121 (878): 384–395. arXiv:0904.1183. Bibcode:2009PASP..121..384S. doi:10.1086/599287. 
  3. ^ "E-ELT Site Chosen". Europe: European Southern Observatory. 26 April 2010. Retrieved 26 April 2010. 
  4. ^ "Ripples Across the Chilean Sky". ESO Picture of the Week. Retrieved 29 May 2013. 

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