E-ELT project

Cerro Amazones – Chile

TECHNICAL SPECIFICATIONS Owner: European Southern Observatory (ESO)Gen. Contractor: Ace Consortium, lead by Cimolai SpADescription: ELT will be the largest telescope ever built in the world with a primary mirror diameter of 39m. Located in the Chilean Andes at about 3,000 m above sea level, the ELT is divided into a rotating metal structure (Dome) equipped with sliding openings, with a diameter of 92 m and a height of 80 m, within which the metal structure of the telescope will be positioned, with a diameter of 71 m and a height of 62 m. The project includes civil works, mechanisms, installations and finishings, in addition to the steel parts weighing about 13,000 tons.