Cancer Constellation, Zodiac, 1822

Cancer Constellation, Zodiac, 1822

Cancer is one of the constellations of the zodiac. 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. Constellations directly bordering Cancer are Lynx, Gemini, Canis Minor, Hydra, Leo and Leo Minor. Cancer is the fourth astrological sign in the Zodiac, which is associated with the constellation Cancer. It spans the 90-120th degree of the zodiac, between 90 and 125.25 degree of celestial longitude, which the Sun transits this area on average between June 22 to July 22 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 16, 1822.

Album / Science Source / U.S. Naval Observatory Library

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3600 x 3031 px | 31.2 MB

30.5 x 25.7 cm | 12.0 x 10.1 in (300 dpi)