What is putting a star in prison in Feng Shui?

Putting a star in prison is the concept of flying star in the mysterious sky, which means that Wang Xing goes to the palace in the current season.

For example, a house facing Chenshan Mountain was built on the eighth national games. Its astrolabe is

In 2024, when the Bank of China arrived at the Ninth National Games, nine purple was the star of the season and was in the palace. This phenomenon is called putting a star in prison. Putting a star in prison is the main basis for calculating house transportation.