AIRGLOW DATA for February 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 Feb. Feb. 14-15 135 40 30 30 40 20 15 310 7 44 15-16 115 70 50: 30 15 15 15 15 325 8 41 18-19 * 90 45 15 15 10 10 25 15 25 250 9 28 19-20 95 55 40 35 25 15 15 25 35 50 30 420 11 38 20-21 * * * * 15: 10: 25: 45 25: 10: * 130 6 22 210 9 23 25-26 45 25 5 5 5 10 25 55 35 105 7 15 26-27 * 10: 10: 10 10 20 25 20 1750 57 31 Remarks : # Extrapolated or interpolated value from measurements within 10 minutes * Interrupted by accident or cloud : Poor value -- Moon shine