AIRGLOW DATA for January 1994 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 1994 1994 Jan. Jan. 6- 7 * * * 20 55: 35 10 120 4 30 7- 8 100 40 20 15 5 5 15 40 240 8 30 8- 9 110 80 25 15 15 5 10 10 25 15 310 10 31 9-10 140 45 30 15 5 5 5 25 20 5 295 10 30 10-11 115: 60 30 35: 20: 10 5: 10: 25 50 35: 395 11 36 365 11 33 11-12 125 45 30: 10 10 20 20 55 10 10 30 215 6 36 12-13 * * * 40: * * 15: 15 60 50 35: 235 10 24 14-15 30: 10 5 15 25 15 30 35 30 40 195 9 22 15-16 20 10 10 10 20 55 30 10 30 125 7 18 16-17 5: 5 10 45: 30 10 20: * 115 6 19 140 6 23 18-19 10: 10 5: 10 25 55 60 4 15 19-20 5 10 20 50 30 25 2810 102 28 21-22 10 10 15 25 Remarks : # Extrapolated or interpolated value from measurements within 10 minutes * Interrupted by accident or cloud : Poor value -- Moon shine