AIRGLOW DATA

                            for April 1992

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
1992                                                                                          1992
Apr.                                                                                          Apr.
2- 3                     30:    35    30    25    25    30    35    55     *                   265     8    33
3- 4                       *     *     *   45:   60:   80:   100    90     *                   375     5    75
5- 6                             *     *   20:    20    20    35    50    65                   210     6    35
6- 7                                   *     *     *    30    25    30    35                   120     4    30
8- 9                                               *     *   25:    40    70                   135     3    45
                                                                                               180     3    60
22-23                      *   65:   65:    50                                                 300     5    60
23-24                     75    70    60    60   35:                                           155     4    39
25-26                      *     *   55:    45    35    20                                     295     6    49
26-27                     55    55   50:    40    40    55                                     365     7    52
27-28                    90:   85:    50   40:   35:    35    30                               110     2    55
                                                                                              2510    53    47
28-29                      *     *     *     *    45    65     *

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