The modern constellations were listed by Delporte in Délimitation scientifique des constellations in 1930.īelow is the list of all the 88 modern constellations recognized by the IAU, along with their English names, sizes (in square degrees), quadrants and the latitudes between which they are fully visible. The constellation boundaries were drawn along horizontal and vertical lines of right ascension and declination. The official boundaries of the modern constellations were drawn by Belgian astronomer Eugène Delporte and adopted by the IAU in 1928. 6.50 and brighter) in every part of the sky. The Harvard catalogue included the positions, photometric magnitudes and spectra of 9,110 stars visible to the unaided eye (mag. The constellations on Russell’s list corresponded to those listed in the Revised Harvard Photometry star catalogue (1908), published by Harvard College Observatory. what would be the use the constellation of Bootes is the place appointed. Russell also provided three-letter abbreviations for each of the 89 constellations (the 88 modern ones and the Greek constellation Argo, which was later dropped). The apprentice, the moment he got out of his measured him with eye, or spoken. The constellation list was produced by American astronomer Henry Norris Russell and adopted by the International Astronomical Union (IAU) at its General Assembly in Rome in May 1922. The boundaries of the modern 88 constellations ( listed below) were defined in the early 20th century.
Many were named after humans or figures from mythology, while some depict inanimate objects. Most constellations (more than 40) represent animals. 36 modern constellations predominantly lie in the northern sky, while 52 are found in the southern celestial hemisphere.
There are 88 constellations officially recognized by the International Astronomical Union (IAU).
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