Sagittarius Constellation, Zodiac, 1822
by U.S. Naval Observatory Library
Title
Sagittarius Constellation, Zodiac, 1822
Artist
U.S. Naval Observatory Library
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Photograph - Photograph
Description
Sagittarius is a constellation of the zodiac, the one containing the galactic center. Its name is Latin for the archer. It is one of the 48 constellations described by the 2nd century astronomer Ptolemy, and remains one of the 88 modern constellations defined by the International Astronomical Union. Sagittarius is commonly represented as a centaur drawing a bow. It lies between Ophiuchus to the west and Capricornus to the east. In Greek mythology, Sagittarius is identified as a centaur half human, half horse. Sagittarius is the ninth astrological sign, which is associated with the constellation Sagittarius. It spans the 240-270th degree of the zodiac, between 234.75 and 270 degree of celestial longitude, which the Sun transits on average between November 23 to December 21 each year. A Celestial Atlas (1822) by Alexander Jamieson, inspired by the star atlas of Johann Elert Bode, but restricted itself to stars that could be seen with the naked eye. Comprising a systematic display of the heavens in a series of thirty maps illustrated by scientific description of their contents and accompanied by catalogues of the stars and astronomical exercises, plate 20, 1822.
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December 13th, 2016
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