The Vatican Observatory, one of the oldest astronomical research institutions in the world, has its headquarters at the papal summer residence in Castel Gandolfo, Italy, outside Rome. Its dependent research center, the Vatican Observatory Research Group (VORG), is hosted by Steward Observatory at the University of Arizona, Tucson, USA. Director of The Vatican Observatory : José G. Funes, S.J. Specola Vaticana V-00120 Cittá del Vaticano Italy  Web Page  Vatican Observatory Research Group University of Arizona Tucson, AZ 85721,USA  Phone book  : (06) 69 88 5266 : (520) 621-3225    Art in Castel Gandolfo  John Robert Cozens,      C.Gandolfo on the Lake of Albano  George Inness,      Castel Gandolfo (1876)  John Robert Cozens,      Lake Albano & Castel Gandolfo  Richard Wilson,      Lake Albano & Castel Gandolfo