#Column 1:  lambda in nm
#Column 2:  CCD quantum efficiency

  250  0.00
  300  0.25
  350  0.43
  400  0.63
  450  0.68
  500  0.75
  550  0.77
  600  0.77
  650  0.78
  700  0.75
  750  0.69
  800  0.61
  850  0.51
  900  0.37
  950  0.22
 1000  0.11
 1050  0.00
 1100  0.00