AIRGLOW DATA for February 1993 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 1993 1993 Feb. Feb. 14-15 55 40 40 35 45 50 50 315 7 45 15-16 100 100 90: 70 65 80 85 100 690 8 86 18-19 * 105 95 80 70 60 75 90 95 80 750 9 83 19-20 150 165 170 175 195 190 170 130 100 85 60 1590 11 145 20-21 * * * * 120: 95: 95: 90 75: 75: * 550 6 92 475 9 53 25-26 50 50 45 50 55 45 65 60 55 465 7 66 26-27 * 50: 65: 85 85 75 65 40 4835 57 85 Remarks : # Extrapolated or interpolated value from measurements within 10 minutes * Interrupted by accident or cloud : Poor value -- Moon shine