List of placement positions of temporal ball:
This is very simple. Aren't there two constellations on the map? There are two constellations on your right. You can go up to the big table, look at the big wall behind the door, count the corresponding constellations, and then put the ball according to the number.
The answer is 53 12, and the door is 4322.
There are simpler ones. Blow it up.