The Monte Mario Observatory (Sede di Monte Mario, literally "Monte Mario Site") is an
astronomical observatory
An observatory is a location used for observing terrestrial, marine, or celestial events. Astronomy, climatology/meteorology, geophysical, oceanography and volcanology are examples of disciplines for which observatories have been constructed. His ...
and is part of the
Rome Observatory
The Astronomical Observatory of Rome (''Osservatorio Astronomico di Roma'' in Italian) is one of twelve Astronomical Observatories in Italy. The main site of the Observatory is Monte Porzio Catone. Part of the INAF, Istituto Nazionale di Astrofisi ...
(Osservatorio Astronomico di Roma). It is located atop of
Monte Mario in
Rome,
Italy.
This location (12°27'8.4"E ) was used as the
prime meridian (rather than Greenwich) for maps of Italy until the 1960s.
See also
*
List of astronomical observatories
References
Astronomical observatories in Italy
Monte Mario
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