National Astronomical Observatory
National Astronomical Observatory may refer to:* National Astronomical Observatory (Chile) * National Astronomical Observatories of China * National Astronomical Observatory (Colombia), astronomical observatory in Bogotá * National Astronomical Observatory of Japan, in Mitaka * National Astronomical Observatory (Mexico), first in Mexico City; then in Tonantzintla, Puebla; now in Sierra San Pedro Mártir, Baja California * National Astronomical Observatory (Spain), in Madrid Provided by Wikipedia