AIRGLOW DATA

                            for March 1991

Station:    Kiso                                          Radiation : 5893A

Longitude:137ß38'E

Latitude: 35ß48'N

                      Absolute Zenith Intensity in Rayleighs
J.S.T         18    19    20    21    22    23     0     1     2     3     4     5     6
Date/U.T.      9    10    11    12    13    14    15    16    17    18    19    20    21       Sum   Ave
1991                                                                                          1991
Mar.                                                                                          Mar.
5- 6                60    55   70:     *                                                       185     3    62
6- 7                80    85    85    70    60                                                 380     5    76
9-10                70    65    85   100    80    65    70    65                               600     8    75
12-13                *    35    30    25    20     *     *   45:    55                         210     6    35
13-14                *    50    55   50:     *     *     *     *     *     *                   155     3    52
                                                                                               415     8    52
14-15                *    50   50:   45:     *   35:    40    55    75    65                   245     5    49
16-17                *     *     *    50    50   45:    45   55:     *     *                   575     9    64
17-18                *    50    55    55    55    50    65    75    80    90                  2765    47    59

Remarks : # Extrapolated or interpolated value from measurements within 10 minutes
          * Interrupted by accident or cloud  : Poor value  -- Moon shine