Temistocle Zona (7 May 1848 – 2 May 1910) was an Italian astronomer.

Born in Porto Tolle, in 1870 Zona graduated in architecture at the University of Padua, and he was a volunteer assistant at the Observatory of that city from 1868 to 1871.[1] In October 1880 he entered the staff of Gaetano Cacciatore at the Observatory of Palermo, and in 1891 he became the director of the Observatory, a role he held until 1898.[1] In 1882 he became professor at the University of Palermo.[1] He is best known as the discoverer of the comet C/1890 V1 Zona, on November 15, 1890.[1]

He wrote about sixty works, mainly related to observations of comets, eclipses of the moon and meteors.[1]


  1. ^ a b c d e Giorgia Foderà Serio, Ileana Chinnici. L'Osservatorio astronomico di Palermo: la storia e gli strumenti. Flaccovio, 1997. ISBN 8878041440.