National Astronomical Observatory (Mexico)
Mexico's National Astronomical Observatory (Spanish: El Observatorio Astronómico Nacional - OAN) was first established on the balcony of Chapultepec Castle in Mexico City in 1878. It was later moved to Tacubaya, then on the outskirts of the city, a location remembered in the Observatorio station of the Mexico City Metro, situated nearby. In the middle of the 20th century, OAN was moved from the increasingly crowded and polluted Valley of Mexico to Tonantzintla, Puebla. Excessive lighting and pollution forced another move to the Sierra San Pedro Mártir in Baja California in 1967. The current site has been found to have excellent astronomical seeing. The observatory has been operated by the National Autonomous University of Mexico (UNAM) since 1929.
Read more about National Astronomical Observatory (Mexico): Telescopes, Gallery, See Also
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