 first  number of    central       start        stop         spectral
spectral    spectral     wavelength    wavelength   wavelength    width
element     elements

OA1    3      12   400      392.5   407.5   15
OA2    15     8    412.5    407.5   417.5   10
OA3    39     8    442.5    437.5   447.5   10
OA4    77     8    490      485     495     10
OA5    93     8    510      505     515     10
OA6    133    8    560      555     565     10
OA7    181    8    620      615     625     10
OA8    217    8    665      660     670     10
OA9    225    6    673.75   670     677.5   7.5
OA10   231    6    681.25   677.5   685     7.5
OA11   252    8    708.75   703.75  713.75  10
OA12   289    6    753.75   750     757.5   7.5
OA13   297    2    761.25   760     762.5   2.5
OA14   299    3    764.375  762.5   766.25  3.75
OA15   302    2    767.5    766.25  768.75  2.5
OA16   306    12   778.75   771.25  786.25  15
OA17   373    16   865      855     875     20
OA18   393    8    885      880     890     10
OA19   405    8    900      895     905     10
OA20   433    16   940      930     950     20
OA21   489    32   1020     1000    1040    40