I don't have the equipment to do the picture taking.
But if you are looking at the ball like the face of a
clock,the CG would be in the center of the clock and the pin
would be 3 inches above it at the 12.00 position.
Now go over toward the 3.00 a clock position 9 inches which
puts you past this position. Then measure down toward the 3.30 position,
and this is where the MB mark is.