AIRGLOW DATA

                            for January 1991

Station:    Kiso                                          Radiation : 6300A

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
Jan.                                                                                          Jan.
8- 9                 *    80    30    15    10    20                                           155     5    31
10-11                *   60:   45:   25:     *    15    15   10:                               170     6    28
11-12                *     *     *     *    10    10   10:     *     *                          30     3    10
14-15                *    50    30    20    10   10:     *     *     *     *                   120     5    24
15-16               90    70    45    20   10:     *     *    15    20    35                   305     8    38
                                                                                                55     3    18
25-26                                                              10:    10    35             135     2    68
26-27                                                                     80    55             970    32    30

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