How to fill in Shunxing brand correctly

The eighteenth day of the first month is the day of offering sacrifices to the capital star. On the tablet, it says, "Celestial officials are divided into stars." Face the west and sacrifice it. Generally speaking, he can use it when he is not using it. Combustion requires 2 1 lamp.

Seven-star array should be placed in an open place, not facing the door. Six crystal columns or crystal balls are arranged according to two equilateral triangles that are upside down and overlapped. The side length of a triangle is a specific multiple of seven, and a large crystal column or crystal ball is placed in the middle to form a "star", which is called a seven-star array.