CERRO TOLOLO INTER-AMERICAN OBSERVATORY
 INSTRUMENT SECTION
 FILTER TRANSMISSION SCANNER


 FILTER IDENTIFICATION   7053/79
 DATE OF MEASUREMENT     28-JAN-87
 FILTER SIZE             2 X 2 X .241 INCH.
 FOCAL RATIO              13.5 
 TEMPERATURE [C]          22 
 PEAK WAVELENGTH [A]      7059 
 PEAK TRANSMISSION [%]    80.76 
 CENTER WAVELENGTH [A]    7043.5 
 BANDWIDTH [A]            83 
 COMMENTS:  7053/79 SFI (H ALPHA SET D)


 WAVELENGTH              TRANSMISSION
  6953                    1.20724 
  6955                    1.58103 
  6957                    1.60321 
  6959                    1.59681 
  6961                    1.6 
  6963                    1.99601 
  6965                    2.5641 
  6967                    2.58964 
  6969                    3.18725 
  6971                    3.125 
  6973                    3.94477 
  6975                    4.72441 
  6977                    5.07813 
  6979                    5.81395 
  6981                    8.34952 
  6983                    9.33852 
  6985                    10.2515 
  6987                    12.476 
  6989                    14.8936 
  6991                    17.0213 
  6993                    20.2312 
  6995                    24.3856 
  6997                    29.7143 
  6999                    33.2696 
  7001                    38.6792 
  7003                    44.0228 
  7005                    47.3783 
  7007                    54.5802 
  7009                    58.4906 
  7011                    62.9278 
  7013                    63.6872 
  7015                    68.7851 
  7017                    71.2121 
  7019                    71.5356 
  7021                    73.9212 
  7023                    75.3223 
  7025                    76.8519 
  7027                    75.9058 
  7029                    77.9817 
  7031                    78.7823 
  7033                    77.9599 
  7035                    78.2609 
  7037                    78.6885 
  7039                    79.5956 
  7041                    80.0738 
  7043                    79.9263 
  7045                    80.1115 
  7047                    79.1513 
  7049                    77.5956 
  7051                    78.6765 
  7053                    79.7075 
  7055                    79.4495 
  7057                    79.0528 
  7059                    80.7692 
  7061                    79.7075 
  7063                    78.6618 
  7065                    79.4171 
  7067                    76.8402 
  7069                    77.5137 
  7071                    75.3131 
  7073                    74.5421 
  7075                    68.4116 
  7077                    63.75 
  7079                    58.3774 
  7081                    51.2324 
  7083                    45.735 
  7085                    41.3603 
  7087                    34.1818 
  7089                    29.1743 
  7091                    25.2269 
  7093                    21.4029 
  7095                    17.3913 
  7097                    14.2349 
  7099                    12.2966 
  7101                    10.2703 
  7103                    8.67257 
  7105                    7.80142 
  7107                    6.20567 
  7109                    4.90694 
  7111                    4.58404 
  7113                    3.54132 
  7115                    2.75862 
  7117                    2.91595 
  7119                    2.56849 
  7121                    2.04082 
  7123                    2.0202 
  7125                    1.85497 
  7127                    1.84564 
  7129                    1.5 
  7131                    1.34003 
  7133                    1.3245 
  7135                    1.3267 
  7137                    1.33333 
  7139                    1.32231 
  7141                    1.15512 
  7143                    1.15702 
  7145                    .981997 
  7147                    .821018 
  7149                    .97561 
  7151                    .974026 
  7153                    .972447 
  7155                    .974026 
  7157                    .972447 
  7159                    .809061 
  7161                    .809061 
  7163                    .970874 
  7165                    .96463 
  7167                    .961538 
  7169                    .803858 
  7171                    .8 
  7173                    1.12179 
  7175                    .96463 
  7177                    .805153 
  7179                    .806452 
  7181                    .806452 
  7183                    .645161 
  7185                    .802568 
  7187                    .638978 
  7189                    .64 
  7191                    .638978 
  7193                    .641026 


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