Pietro Tacchini (March 21, 1838–March 24, 1905) was an Italian astronomer. 1838 was a common year starting on Monday (see link for calendar). ... 1905 was a common year starting on Sunday (see link for calendar). ... An astronomer or spmething i cant inderstand is a scientist whose area of research is astronomy or astrophysics. ...

He was born and raised in Modena, Italy. He studied engineering at the University of Padova. At the age of 21, he was appointed the director of a small observatory in Modena. By 1863 he became the Primo Astronomo Aggiunto, or director of the observatory, at Palermo, Italy. He would remain there until 1879, and focused most of his attention on observations of the Sun. Modena is a city and a province on the south side of the Po valley, in Emilia-Romagna, Italy. ... Gymnasivm Patavinum: The University shown in a 1654 woodcut The University of Padua (Università degli Studi di Padova, UNIPD) is one of the most well-renowned universities in Italy. ... 1863 is a common year starting on Thursday. ... (This article is about Palermo in Sicily. ... 1879 was a common year starting on Wednesday (see link for calendar). ...

In 1865 he founded the specialist physical astronomy journal, Memorie della Società degli Spettroscopisti, and remained the editor until 1905. (This publication later became the Memorie della Società Astronomica Italiana in 1920.) 1865 is a common year starting on Sunday. ... 1905 was a common year starting on Sunday (see link for calendar). ... 1920 is a leap year starting on Thursday (link will take you to calendar) // Events January January 7 - Forces of Russian White admiral Kolchak surrender in Krasnoyarsk. ...

He wanted to set up daily spectroscopic monitoring of the Sun, so he established an observation network with other Italian astronomers that would all examine the Sun at about the same time. He likewise organized an observatory in Calcutta to watch the sun when conditions were unfavorable in Italy. In 1874 he led an expedition to Muddapur, India to observe the transit of Venus across the Sun. By ancient tradition, the Sun is the light in the heavens whose presence is day and whose absence is night. ... This article is on Calcutta/Kolkata, the city. ... 1874 was a common year starting on Thursday (see link for calendar). ... The 2004 transit of Venus A transit of Venus across the Sun takes place when the planet Venus passes directly between the Sun and the Earth, obscuring a small portion of the Suns disc. ... By ancient tradition, the Sun is the light in the heavens whose presence is day and whose absence is night. ...

In 1879 he was summoned to Rome where he succeeded Angelo Secchi at the Osservatorio del Collegio Romano. In 1881 he became head of the Ufficio Centrale di Meteorologia. 1879 was a common year starting on Wednesday (see link for calendar). ... City motto: Senatus Populusque Romanus – SPQR (The Senate and the People of Rome) Founded 21 April 753 BC mythical, 1st millennium BC Region Latium Mayor Walter Veltroni (Democratici di Sinistra) Area  - City Proper  1290 km² Population  - City (2004)  - Metropolitan  - Density (city proper) 2,546,807 almost 4,000,000 1... Pietro Angelo Secchi (1818–1878) was an Italian astronomer. ... 1881 was a common year starting on Saturday (see link for calendar). ...

Due to his influence, the Bellini Observatory was completed on Mount Etna where Pietro believed that the high altitude would improve the spectroscopic observations of the Sun, and potentially allow direct observations of the solar corona without an eclipse. He also recommended the construction of the Catania Observatory in 1885. Mount Etna (or Aetna, also known locally as Mongibello) is an active volcano on the east coast of Sicily (Italian Sicilia), close to Messina and Catania. ... For other meanings, see corona (disambiguation) The corona is the luminous atmosphere of the Sun extending millions of kilometres into space, most easily seen during a total solar eclipse, but also observable in a coronagraph. ... 1885 is a common year starting on Thursday. ...

Tacchini crater on the Moon is named for him. Crust composition Oxygen 43% Silicon 21% Aluminium 10% Calcium 9% Iron 9% Magnesium 5% Titanium 2% Nickel 0. ...

External links

• History of the Palermo Observatory