Four bright stars are arranged in a slightly longer square, which is called "Pegasus-Fairy Square".
Constellations are divided into South Star and North Constellation. We are in the northern hemisphere, and we can only see the northern constellation.
Ursa major, Ursa minor, and Empress Fairy. Tmall, lion, hind legs, serpent.
And some southern constellations. Such as Orion, Canis Canis and Pisces.