wavel.		cross sect.	error limit

 748.721	4.235e-22	0.036e-22
 779.416	3.199e-22	0.026e-22
 817.224	2.314e-22	0.019e-22
 853.234	1.577e-22	0.013e-22
 898.247	6.67e-23	0.06e-23
 944.259	4.66e-23	0.04e-23
 991.841	6.09e-23	0.05e-23
1046.766	1.28e-23	0.01e-23