wavel.		cross sect.	error limit 

 748.721	4.271e-22	0.036e-22
 779.416	3.149e-22	0.025e-22
 817.224	2.211e-22	0.018e-22
 853.234	1.495e-22	0.012e-22
 898.247	6.54e-23	0.05e-23
 944.259	4.31e-23	0.03e-23
 991.841	4.95e-23	0.04e-23
1046.766	1.02e-23	0.01e-23