# This is a cubic distortion for the PC
# taken from the WFPC2 Instrument Handbook
cubic
354.356 1.00021 9.79758e-4 9.84222e-8 -6.31327e-9
-7.19983e-7 -3.73922e-8 6.66101e-10 -3.51470e-8 -2.55003e-9
 
343.646 1.00544e-3 0.999786 -5.80870e-7 -5.07221e-7
3.41574e-7 -1.08091e-9 -3.4207e-8 1.17819e-9 -4.48966e-8