CERRO TOLOLO INTER-AMERICAN OBSERVATORY
 INSTRUMENT SECTION
 FILTER TRANSMISSION SCANNER


 FILTER IDENTIFICATION   3800/110
 DATE OF MEASUREMENT     05-APR-86
 FILTER SIZE             2 X 2 X .183 INCH.
 FOCAL RATIO              13.5 
 TEMPERATURE [C]          24 
 PEAK WAVELENGTH [A]      3818 
 PEAK TRANSMISSION [%]    34.854 
 CENTER WAVELENGTH [A]    3797 
 BANDWIDTH [A]            110 
 COMMENTS:  3800/110 380 3C OWL 7-1


 WAVELENGTH              TRANSMISSION
  3650                    .0667111 
  3652                    0 
  3654                    0 
  3656                    0 
  3658                    0 
  3660                    0 
  3662                    .0637349 
  3664                    .125628 
  3666                    .125549 
  3668                    .124301 
  3670                    .185759 
  3672                    .185185 
  3674                    .245549 
  3676                    .244648 
  3678                    .30175 
  3680                    .239664 
  3682                    .356506 
  3684                    .356295 
  3686                    .35545 
  3688                    .468933 
  3690                    .464846 
  3692                    .575043 
  3694                    .632184 
  3696                    .750577 
  3698                    .801833 
  3700                    .90549 
  3702                    1.01466 
  3704                    1.22494 
  3706                    1.43567 
  3708                    1.54355 
  3710                    1.65746 
  3712                    1.86506 
  3714                    2.03408 
  3716                    2.35746 
  3718                    2.87929 
  3720                    3.39912 
  3722                    4.00659 
  3724                    4.77482 
  3726                    5.66038 
  3728                    6.62393 
  3730                    7.70053 
  3732                    9.2861 
  3734                    10.5652 
  3736                    12.315 
  3738                    13.7643 
  3740                    15.5695 
  3742                    17.245 
  3744                    18.8883 
  3746                    20 
  3748                    21.6134 
  3750                    22.8873 
  3752                    23.8167 
  3754                    24.7382 
  3756                    25.6716 
  3758                    26.1106 
  3760                    26.7157 
  3762                    27.5 
  3764                    27.8316 
  3766                    28.3495 
  3768                    28.5645 
  3770                    28.8054 
  3772                    29.3128 
  3774                    29.6225 
  3776                    29.7297 
  3778                    30.5463 
  3780                    30.4124 
  3782                    30.5697 
  3784                    31.5446 
  3786                    31.3192 
  3788                    31.7028 
  3790                    32.2402 
  3792                    32.7982 
  3794                    32.5444 
  3796                    33.0009 
  3798                    33.5432 
  3800                    33.3184 
  3802                    33.5717 
  3804                    33.4368 
  3806                    33.7743 
  3808                    34.0265 
  3810                    34.007 
  3812                    34.3478 
  3814                    34.3355 
  3816                    34.5969 
  3818                    34.8537 
  3820                    34.5774 
  3822                    34.721 
  3824                    34.3366 
  3826                    34.3075 
  3828                    33.9958 
  3830                    33.1942 
  3832                    32.9583 
  3834                    32.2567 
  3836                    31.0316 
  3838                    30.4312 
  3840                    29.0864 
  3842                    27.7958 
  3844                    25.7258 
  3846                    23.781 
  3848                    21.3719 
  3850                    19.4996 
  3852                    17.3741 
  3854                    15.3512 
  3856                    13.2761 
  3858                    11.9906 
  3860                    10.5818 
  3862                    9.47247 
  3864                    8.44256 
  3866                    7.42879 
  3868                    6.52999 
  3870                    5.7873 
  3872                    5.20362 
  3874                    4.63032 
  3876                    4.13562 
  3878                    3.63769 
  3880                    3.29996 
  3882                    2.99335 
  3884                    2.65423 
  3886                    2.42079 
  3888                    2.15395 
  3890                    1.97322 
  3892                    1.78947 
  3894                    1.63592 
  3896                    1.48635 
  3898                    1.37694 
  3900                    1.26799 
  3902                    1.16001 
  3904                    1.01695 
  3906                    .945626 
  3908                    .875716 
  3910                    .803482 
  3912                    .766922 
  3914                    .730654 
  3916                    .66072 
  3918                    .592105 
  3920                    .556283 
  3922                    .520156 
  3924                    .452928 
  3926                    .387472 
  3928                    .417738 
  3930                    .383142 
  3932                    .349096 
  3934                    .315956 
  3936                    .314961 
  3938                    .282663 
  3940                    .24961 
  3942                    .248293 
  3944                    .216116 
  3946                    .184615 
  3948                    .183824 
  3950                    .21361 
  3952                    .181873 
  3954                    .18105 
  3956                    .179964 
  3958                    .179426 
  3960                    .118835 
  3962                    .118519 
  3964                    .118029 
  3966                    .117405 
  3968                    .117371 
  3970                    .116414 
  3972                    .116043 
  3974                    .115407 
  3976                    .0861326 
  3978                    .114253 
  3980                    .113701 


.