If you look at the sky where there is no light on a clear night, there are so many stars that can not count. Thousands of years ago, the ancients linked stars to create constellations named after animals, objects, and mythical figures. Each star in the constellation is only in a similar direction. Distances to the stars vary. There is no real connection between the constellation stars.
Constellations evolved into different forms depending on the region and civilization. Therefore, there were various confusions about displaying the star’s position using the constellation. Currently, 88 standard constellations are specified and used.