What constellations are there in the sky? What are the advantages of celestial constellations?

1, Ursa minor

Ursa minor is the Polaris constellation closest to the north celestial pole, and Ptolemy and the modern eighty-eight constellations both include Ursa minor. Ursa minor marks the position of the north celestial pole, and Alpha Ursa minor, the brightest star in the constellation, is the current Polaris.

2. Ursa major

UMa is one of the northern constellations, located near Ursa minor and Leo, opposite Cassiopeia. Suitable for spring observation, it is the constellation of the famous Big Dipper.

3. Cassiopeia

Cassiopeia (Cas), one of the polar constellations in the northern hemisphere, is located in the south of Cepheus and north of Andromeda, far away from Ursa major. Because it is close to the north celestial pole, it can be seen all year round, especially in autumn. Cassiopeia is m (or w) shaped, which is easy to distinguish.

4. Draco

Draco? (Draco), the name of the constellation, is a constellation that can be seen all year round in the northern night sky, located in the north of the northern corona. Tianlong constellation is one of the 88 constellations in modern times, and it is also one of the 88 constellations set by Ptolemy.

5, Cepheus

Cepheus is one of the archipelagic constellations. Its alpha star is Scorpio. The whole constellation can be seen all year round, especially in autumn night. It is next to the North Star, far from the Big Dipper.

Baidu encyclopedia-Cepheus

Baidu encyclopedia-Tianlong

Baidu encyclopedia-cassiopeia

Baidu encyclopedia-Ursa major

Baidu encyclopedia-Ursa major