Sierra Nevada Observatory
The Observatorio de Sierra Nevada (Sierra Nevada Observatory, OSN) is located at Loma de Dilar (2896 m altitude) in the Sierra Nevada mountain range, in the province of Granada, Spain; established in 1981. It is operated and maintained by the Instituto de Astrofísica de Andalucía (Institute of Astrophysics of Andalusia - IAA) and contains two Nasmyth telescopes with apertures of 1.5 and 0.9 metres. Its observatory code is J86.
The IAA modern optical telescopes
A radio telescope maintained by IRAM
Closeup of the IRAM radio telescope
The older observatory of Mojón del Trigo
OSN 1.5
Coordinates: 37°03′51″N 03°23′05″W / 37.06417°N 3.38472°W
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