15-inch reflector telescope, 1887

15-inch reflector telescope, 1887

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Caption: 15-inch reflector telescope, November 1887. This telescope is on an altazimuth mount. An altazimuth is used to measure the altitude (from the horizon) and azimuth (angle from north) of a star. These measurements can then be used to calculate the precise position of the star. Unlike a transit circle telescope, an altazimuth telescope can be pointed at any region of the sky, using a complicated mechanism to move the telescope. This telescope, at Oakfield, Bittern, near Southampton, UK, was operated by British astronomer Major T. A. Skelton (left).

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Keywords: 15-inch telescope, 1800s, 1887, 19th century, adult, altazimuth mount, amateur astronomer, astronomer, astronomical, astronomy, astrophysical, astrophysics, bittern, black-and-white, britain, british, caucasian, elderly, england, english, equipment, europe, european, historical, history, home, human, major, male, man, monochrome, november, oakfield, old, one person, people, person, reflector, scientist, southampton, t. a. skelton, technological, technology, telescope, uk, united kingdom

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