shows a total of 283 asterisms, comprising a total of 1,565 individual stars.The asterisms are divided into four groups, the Twenty-Eight Mansions along the ecliptic, and the Three Enclosures of the northern sky. The southern sky was added as a fifth group in the late Ming dynasty based on European star charts, comprising an additional 23 asterisms.

The Three Enclosures include the Purple Forbidden Enclosure,