Is the constellation valid? According to what? Does it have anything to do with the Eight Diagrams and the Book of Changes?

Constellations are made by westerners. Yes The Book of Changes was left by our ancestors, and there is no relationship between them.

From a horizontal point of view, the constellation is just a nice talk, which is superficial and has no practical significance.

I ching prediction is the best prediction because it is extensive and profound.