Giovanni Battista Hodierna

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Giovan Battista Odierna

Giovanni Battista Hodierna, also spelled as Odierna (April 13, 1597 – April 6, 1660)[1] was an Italian astronomer at the court of the Duke of Montechiaro. He compiled a catalog of some 40 entries, including at least 19 real and verifiable nebulous objects that might be confused with comets.


Hodierna was born in Ragusa, Sicily and died in Palma di Montechiaro.

The work anticipated Messier's catalogue, but had little impact. Messier seems not to have known of it.[2][3]

See also[edit]


  1. ^ "Giovanni Battista Hodierna". SEDS. Retrieved 26 February 2013. 
  2. ^ Birthday for a star cluster: Charles Messier, Astronomy Now, January 2011, page 20.
  3. ^ Fodera-Serio, G.; Indorato, L.; Nastasi, P. (February 1985), "Hodierna's Observations of Nebulae and his Cosmology", Journal for the History of Astronomy, 16 (1): 1, Bibcode:1985JHA....16....1F 

External links[edit]