AIRGLOW DATA for September 1993 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 1993 1993 Sep. Sep. 14-15 80: 20: 10: 10 10 10 25 25 190 8 24 16-17 * * * 20 15 10: 10: * 45 * 100 5 20 18-19 75: 35: * 15: 15: 10: 10: * * 160 6 27 19-20 * * 5 * 10: 20 20 45 35 135 6 23 25-26 5 25: 25 55 3 18 640 28 23 Remarks : # Extrapolated or interpolated value from measurements within 10 minutes * Interrupted by accident or cloud : Poor value -- Moon shine