Delporte North Pole constellations map

Delporte North Pole constellations map

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Caption: Delporte constellations map, North Celestial Pole. Many of the constellations had been known and named since ancient times, but the precise boundaries between them varied from astronomer to astronomer, leading to inconsistencies. The official boundaries were fixed in 1930 by the Belgian astronomer Eugene Joseph Delporte (1882-1955). His work was done on behalf of the International Astronomical Union (IAU), which had established the official list of constellations at its first General Assembly in 1922. Delporte's maps of the constellations were published in Delimitation Scientifique des Constellations (1930).

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Keywords: 1900s, 1930, 20th century, artwork, astronomical, astronomy, belgian, black-and-white, boundaries, boundary, camelopardalis, cassiopeia, celestial map, cepheus, circle, circular, constellation, constellations, delporte, diagram, draco, eugene joseph delporte, european, hemisphere, historical, history, history of science, iau, illustration, international astronomical union, international standard, monochrome, north celestial pole, northern, official, round, standard, standardisation, standardization, standards, star map, ursa major, ursa minor

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