Location | Madrid, Community of Madrid, Spain |
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Coordinates | 40°24′30″N 3°41′15″W / 40.408386°N 3.687539°W |
The Spanish National Observatory (Spanish: Observatorio Astronómico Nacional de España, OAN) is an astronomical observatory with several facilities in the Madrid area.
The Observatory has published a yearbook (the Anuario del Observatorio Astronómico de Madrid) since the 19th century.[1]