Mechanical to Magnetic Center Offsets.  These are the distances the stages moved from the mechanical center to the magnetic center. 
  Axis        Offset                   B Field 
               (mm)                      (G)
X	        -0.0742		         0.03 +/- 0.01
Y            -0.0242		         0.29 +/- 0.03
Z	        -0.0864		         0.15 +/- 0.03