The Guillermo Haro Observatory (Spanish: Observatorio Astrofísico Guillermo Haro - OAGH) is an

astronomical Astronomy is a natural science that studies celestial objects and the phenomena that occur in the cosmos. It uses mathematics, physics, and chemistry in order to explain their origin and their overall evolution. Objects of interest include ...

observatory An observatory is a location used for observing terrestrial, marine, or celestial events. Astronomy, climatology/meteorology, geophysics, oceanography and volcanology are examples of disciplines for which observatories have been constructed. Th ...

owned and operated by the

National Institute of Astrophysics, Optics and Electronics The National Institute of Astrophysics, Optics and Electronics (in Spanish (language), Spanish: ''Instituto Nacional de Astrofísica, Óptica y Electrónica, INAOE'') is a Mexican science research institute located in Tonantzintla, Puebla. Found ...

(Spanish: Instituto Nacional de Astrofísica, Óptica y Electrónica - INAOE) in the

Mexican state A Mexican State (), officially the Free and Sovereign State (), is a constituent federative entity of Mexico according to the Constitution of Mexico. Currently there are 31 states, each with its own constitution, government, state governor, a ...

Sonora Sonora (), officially Estado Libre y Soberano de Sonora (), is one of the 31 states which, along with Mexico City, comprise the Administrative divisions of Mexico, Federal Entities of Mexico. The state is divided into Municipalities of Sonora, 72 ...

. It is located north of

Cananea Cananea is a city in the Mexican state of Sonora, Northwestern Mexico. It is the seat of the Municipality of Cananea, in the vicinity of the U.S−Mexico border. The population of the city was 31,560 as recorded by the 2010 census. The po ...

and south-east of Mount Hopkins. It is named after Professor

Guillermo Haro Guillermo Haro Barraza (; 21 March 1913 – 26 April 1988) was a Mexican astronomer. Through his own astronomical research and the formation of new institutions, Haro was influential in the development of modern observational astronomy in M ...

Telescopes

The main telescope at the observatory is Ritchey-Chretein design with a primary mirror and a secondary mirror. Four different instruments are available to be mounted at the

Cassegrain Cassegrain may refer to * Cassegrain reflector, a design used in telescopes * Cassegrain antenna, a type of parabolic antenna * Cassegrain (crater), on the Moon * a Belgian canned vegetables producer now part of Bonduelle S.A. People : * Guillaum ...

focus. Planning for the telescope began in 1972, but it was not dedicated until 1987. Routine operations began in 1992. The observatory has a Schmidt-Cassegrain reflector built by

Meade Instruments Meade Instruments Corporation (also shortened to Meade) was an American multinational corporation, multinational company (law), company headquartered in Watsonville, California, that manufactured, imported and distributed telescopes, binoculars, ...

on an equatorial mount located in a separate dome. It is used to make atmospheric extinction measurements and to monitor

light pollution Light pollution is the presence of any unwanted, inappropriate, or excessive artificial Visible spectrum, lighting. In a descriptive sense, the term ''light pollution'' refers to the effects of any poorly implemented lighting sources, during the ...

References

External links

Homepage of the Observatorio Astrofísico Guillermo Haro
in Spanish

Forecasts of observing conditions. Astronomical observatories in Mexico Cananea Buildings and structures in Sonora {{Mexico-struct-stub

Telescopes

See also

References

External links