Divide the sky into several constellation areas.

Astronomers divide the stars in the sky into 88 constellations by region.

1928 The International Astronomical Union officially announced 88 constellations commonly used in the world. At the same time, it is based on the vernal equinox and equator of 1875. According to the different positions of 88 constellations on the celestial sphere and the appearance of stars, they are divided into five regions.

That is, the polar constellation in the northern sky (5), the constellation in the Polaris (40 ~ 90, 19), the zodiac constellation (12 near the ecliptic on the celestial sphere), the zodiac constellation (10) and the constellation in the southern sky (-30 ~-90).

The 88 constellations of the whole day are:

Northern Sky Constellation (5): Ursa minor (closest to the north celestial pole), Ursa major, Cassiopeia, Draco and Cepheus.

Polaris constellation (19): Scorpio, Andromeda, Lupo, Auriga, Canis major, Foxes, Cygnus minor, Perseus, Shepherd, Pentecost, Backrow, Corona Nordica, Tmall, Lyra, Dolphin, Pegasus, Triangle.

Zodiac (12): Cancer, Aries, Gemini, Aquarius, Virgo, Leo, Taurus, Pisces, Capricorn, Scorpio, Libra and Sagittarius. Twelve constellations (10): Sagittarius, Canine, Eagle, Ophiuchus, Ophiuchus, Sextant, Ophiuchus, Unicorn, Orion and Whale.

Southern Constellation (***42): Temple of Heaven, Picture Frame, Fly, Mountain Case, India, Tian Yan, Flying Fish, Long Ruler, Swordfish, Clock, Rhododendron, Southern Triangle, Compass, Dragonfly, Telescope, Hydra and Southern Cross (1999).

Raven constellation, Southern Fish constellation, Rabbit constellation, Carina constellation, Tail constellation, Compass constellation, Nautical constellation, Fufu constellation, Centauri constellation, Bojiang constellation, Shield constellation, Celestial Furnace constellation, Pumping constellation, Sculpture constellation, Microscope constellation and Dajue constellation.

Related content explanation:

1、? Ursa major: including Ursa major and its surrounding constellations belonging to the northern hemisphere, mostly related to animals, * * * has 10 constellations.

2、? Zodiac Constellation: It includes Zodiac Constellation 13, and Ophiuchus in addition to the common traditional constellation 12.

3、? Perseus: includes Perseus and constellations related to Perseus stories. * * * has nine constellations.

4、? Five immortals: including five immortals and constellations related to the story of Hercules, * * * has 18 constellation.

5、? Orion: including Orion and hunter Orion, two kinds of hounds and prey. * * * has five constellations.

6、? Fantasy Aquarium: There are some constellations related to the ocean, mostly in the southern hemisphere. * * * has nine constellations.