How many astronomical constellations are there? How many constellations are there in astronomy?

1922, the General Assembly of the International Astronomical Union decided to divide the sky into 88 constellations, and the names of the constellations basically conform to the historical names. There are nearly 6000 stars visible to the naked eye. Each constellation can be classified into a unique constellation. Each constellation can be identified by the shape of the bright star inside. The 88 constellations in the whole day are: Northern Celestial Constellation (5 constellations): Ursa minor (closest to the northern celestial pole), Ursa major, Cassiopeia, Draco and Cepheus. Polaris constellation (19 constellation): Scorpio and Andromeda. Zodiac signs (12): Cancer, Aries, Gemini, Aquarius, Virgo, Leo, Taurus, Pisces and Capricorn. Sextant, Ophiuchus, Unicorn, Orion, Whale. Southern constellation (***42): Temple of Heaven, picture frame, fly, mountain case, Indian, Tian Yan, flying fish, long ruler, swordfish, clock, cuckoo, Southern Triangle, compass, \. Crane, crown, wolf, dog, pigeon, crow, southern fish, rabbit, Pisces, compass, sail, fisherman, Centauri, wave constellation, shield, cupola, pumping water, sculpture, microscope, giant.