1. The farther away from the earth's poles, the fewer constellations you see. On the contrary, the closer you get to the equator, the more constellations you see, right? On the equator

2. The constellations seen in the North Pole and the South Pole are the least. Divided by the equatorial plane, the North Pole can only see the constellation north of the equatorial plane, and the South Pole can only see the constellation south of the equatorial plane.

From the poles to the equator, you will see more and more constellations.

You can see 88 constellations on the equator all day.