Secchi may refer to:

People with the surname

Angelo Secchi Angelo Secchi (; 28 June 1818 – 26 February 1878) was an Italians, Italian Priesthood in the Catholic Church, Catholic priest and astronomer from the Regions of Italy, Italian region of Emilia-Romagna, Emilia. He was director of the observato ...

, Italian astronomer * Giuseppe Secchi (1931–2018), Italian footballer * Luciano Secchi (born 1939), Italian comic book writer and publisher * Luigi Secchi (1853-1921), Italian sculptor * Marco Secchi, Italian photographer * Serafino Secchi (died 1628), Italian clergyman

Other uses

* Secchi (lunar crater) * Secchi (Martian crater) * Secchi depth, a measure of

turbidity Turbidity is the cloudiness or haziness of a fluid caused by large numbers of individual particles that are generally invisible to the naked eye, similar to smoke in air. The measurement of turbidity is a key test of both water clarity and wa ...

Secchi disk The Secchi disk (or Secchi disc), as created in 1865 by Angelo Secchi, is a plain white, circular disk in diameter used to measure water transparency or turbidity in bodies of water. The disc is mounted on a pole or line and lowered slowly dow ...

, an instrument used to measure turbidity * SECCHI (Sun Earth Connection Coronal and Heliospheric Investigation), an instrument package on each of the

STEREO Stereophonic sound, commonly shortened to stereo, is a method of sound reproduction that recreates a multi-directional, 3-dimensional audible perspective. This is usually achieved by using two independent audio channels through a configurat ...

spacecraft {{disambig, surname Italian-language surnames