AIRGLOW DATA

                            for December 1991

Station:    Kiso                                          Radiation : 5577A

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
Dec.                                                                                          Dec.
1- 2           *     *     *     *   95:    90    85   85:   55:                               410     5    82
2- 3               55:    30    40    40    55    70     *    65    50     *                   405     8    51
4- 5           *     *     *   65:   60:    85   105    75    80    70    80    60             680     9    76
5- 6           *   85:   65:    55    60    75     *     *     *     *     *     *             340     5    68
6- 7           *     *     *     *     *   90:   125   155   205   205   175   110            1065     7   152
                                                                                               665    10    67
7- 8           *  125:   75:   50:    50    50     *    70    80    70    55   40:             570     9    63
9-10                       *   65:   60:    55    75    60    55    55    70    75             535     7    76
12-13                                  *   65:    95   115   100    75    50    35             450     7    64
13-14                                       75    85    80    60    60    45    45            5120    67    76
                                                                                                        34.3142

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