T CERRO TOLOLO INTER-AMERICAN OBSERVATORY
 INSTRUMENT SECTION
 FILTER TRANSMISSION SCANNER


 FILTER IDENTIFICATION   7700/110
 DATE OF MEASUREMENT     
 FILTER SIZE             2 X 2 X .170 INCH
 FOCAL RATIO              13.5 
 TEMPERATURE [C]          22 
 PEAK WAVELENGTH [A]      7726 
 PEAK TRANSMISSION [%]    58.238 
 CENTER WAVELENGTH [A]    7699 
 BANDWIDTH [A]            106 
 COMMENTS:  770 3C NTX 5-1


 WAVELENGTH              TRANSMISSION
  7500                    .114969 
  7502                    .115314 
  7504                    .11538 
  7506                    .345901 
  7508                    .345782 
  7510                    .345941 
  7512                    .34634 
  7514                    .34654 
  7516                    .300578 
  7518                    .243027 
  7520                    .300856 
  7522                    .312862 
  7524                    .301449 
  7526                    .243619 
  7528                    .289821 
  7530                    .30131 
  7532                    .313334 
  7534                    .313334 
  7536                    .335998 
  7538                    .335454 
  7540                    .347102 
  7542                    .347021 
  7544                    .347062 
  7546                    .347423 
  7548                    .461414 
  7550                    .36693 
  7552                    .354651 
  7554                    .415081 
  7556                    .461574 
  7558                    .463338 
  7560                    .460617 
  7562                    .463607 
  7564                    .464037 
  7566                    .475197 
  7568                    .567524 
  7570                    .573855 
  7572                    .586207 
  7574                    .692921 
  7576                    .462535 
  7578                    .693321 
  7580                    .772601 
  7582                    .783681 
  7584                    .760369 
  7586                    .808034 
  7588                    .991926 
  7590                    1.03711 
  7592                    1.11816 
  7594                    1.23443 
  7596                    1.38424 
  7598                    1.45497 
  7600                    1.50568 
  7602                    1.72157 
  7604                    1.85356 
  7606                    1.9802 
  7608                    2.1699 
  7610                    2.54961 
  7612                    2.77585 
  7614                    3.0296 
  7616                    3.64055 
  7618                    4.24604 
  7620                    4.85392 
  7622                    5.42529 
  7624                    6.4195 
  7626                    7.4262 
  7628                    9.24543 
  7630                    10.4478 
  7632                    11.5756 
  7634                    13.1831 
  7636                    16.2227 
  7638                    17.951 
  7640                    20.4142 
  7642                    22.7149 
  7644                    27.3946 
  7646                    29.9318 
  7648                    32.6547 
  7650                    35.4226 
  7652                    40.3166 
  7654                    42.4236 
  7656                    44.8447 
  7658                    46.2315 
  7660                    49.4299 
  7662                    50.6735 
  7664                    51.7152 
  7666                    52.9086 
  7668                    54.0057 
  7670                    54.5847 
  7672                    55.3158 
  7674                    56.1278 
  7676                    55.9706 
  7678                    56.1346 
  7680                    56.746 
  7682                    56.8826 
  7684                    56.8639 
  7686                    57.3232 
  7688                    58.0638 
  7690                    57.2621 
  7692                    57.6475 
  7694                    57.4937 
  7696                    57.2562 
  7698                    57.4628 
  7700                    58.0468 
  7702                    57.7149 
  7704                    57.8738 
  7706                    57.1254 
  7708                    57.8033 
  7710                    57.9543 
  7712                    57.591 
  7714                    57.0941 
  7716                    57.3716 
  7718                    57.4515 
  7720                    57.4676 
  7722                    58.2475 
  7724                    58.2083 
  7726                    58.2375 
  7728                    58.2018 
  7730                    58.4641 
  7732                    57.6792 
  7734                    57.2511 
  7736                    56.3116 
  7738                    55.217 
  7740                    52.062 
  7742                    49.8629 
  7744                    47.9399 
  7746                    44.8887 
  7748                    39.8848 
  7750                    33.4696 
  7752                    30.5098 
  7754                    27.7778 
  7756                    24.6857 
  7758                    19.4237 
  7760                    17.4315 
  7762                    15.3474 
  7764                    13.6934 
  7766                    10.7347 
  7768                    9.5629 
  7770                    8.32774 
  7772                    7.40866 
  7774                    6.00989 
  7776                    5.41536 
  7778                    4.75976 
  7780                    4.2676 
  7782                    3.52542 
  7784                    3.05628 
  7786                    2.70728 
  7788                    2.48419 
  7790                    2.23639 
  7792                    2.02817 
  7794                    1.80343 
  7796                    1.73932 
  7798                    1.55314 
  7800                    1.49585 
  7802                    1.42873 
  7804                    1.34168 
  7806                    1.22358 
  7808                    1.11794 
  7810                    1.00592 
  7812                    1.01169 
  7814                    .958752 
  7816                    .908581 
  7818                    .907461 
  7820                    .897163