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Vatican Observatory

Vatican Observatory
Specola1.jpg
Cupola del telescopio posizionato sul tetto del Palazzo Pontificio
Organization Holy See
Code 036
Location Castel Gandolfo, Vatican City
Coordinates 41°44′50″N 12°39′02″E / 41.747222222222°N 12.650555555556°E / 41.747222222222; 12.650555555556Coordinates: 41°44′50″N 12°39′02″E / 41.747222222222°N 12.650555555556°E / 41.747222222222; 12.650555555556
Altitude 430 m (1,410 ft)
Website www.vaticanobservatory.org
Commons page
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The Vatican Observatory (Latin: Specola Vaticana) is an astronomical research and educational institution supported by the Holy See. Originally based in the Roman College of Rome, the Observatory is now headquartered in Castel Gandolfo, Italy and operates a telescope at the Mount Graham International Observatory in the United States.

The Director of the Observatory is Brother Guy Consolmagno, an American Jesuit. In 2008, the Templeton Prize was awarded to cosmologist Fr. Michał Heller, a Vatican Observatory Adjunct Scholar. In 2010, the George Van Biesbroeck Prize was awarded to former observatory director, the American Jesuit, Fr. George Coyne.

The Church has had a long-standing interest in astronomy, due to the astronomical basis of the calendar by which holy days and Easter are determined. For instance, the Gregorian Calendar, promulgated in 1582 by Pope Gregory XIII, was developed by Aloysius Lilius and later modified by Christoph Clavius at the Collegio Romano from astronomical data. The Gregorian Tower was completed in 1580 for his purpose, designed by Bolognese architect Ottaviano Matte.

In the 18th century, the Papacy actively supported astronomy, establishing the Observatory of the Roman College in 1774. In 1789–1787, the Specola Vaticana in the Tower of the Winds within the Vatican was established under the direction of Msgr. Filippo Luigi Gilii (1756–1821). When Msgr. Gilii died, the Specola was closed down because it was inconvenient for students in the city because the dome of St. Peter's obstructed its view. Its instruments were transferred to the College Observatory. A third facility, the Observatory of the Capitol, was operated from 1827 to 1870.


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