Grazing Occultation of 1609 SF2 Magnitude 4.6 1609 = chi Leonis Date 2006 November 14 (Tuesday) Nominal site altitude 0m E. Longit. Latitude U.T. Sun Moon TanZ PA WA CA o ' " o ' " h m s Alt Alt Az o o o 147 0 0 -34 46 27 18 19 9 -8 26 59 2.02 214.0 192.94 10.55S 147 10 0 -34 52 12 18 19 35 -8 26 59 2.01 214.0 193.00 10.60S 147 20 0 -34 58 3 18 20 1 -8 27 59 2.00 214.1 193.06 10.67S 147 30 0 -35 3 59 18 20 28 -8 27 58 1.99 214.1 193.12 10.73S 147 40 0 -35 9 59 18 20 54 -7 27 58 1.97 214.2 193.18 10.79S 147 50 0 -35 16 5 18 21 21 -7 27 58 1.96 214.3 193.24 10.85S 148 0 0 -35 22 15 18 21 48 -7 27 58 1.95 214.3 193.30 10.91S 148 10 0 -35 28 30 18 22 15 -7 27 57 1.94 214.4 193.36 10.97S 148 20 0 -35 34 51 18 22 43 -6 27 57 1.93 214.4 193.42 11.03S 148 30 0 -35 41 16 18 23 10 -6 28 57 1.92 214.5 193.48 11.09S 148 40 0 -35 47 47 18 23 38 -6 28 56 1.91 214.6 193.54 11.15S 148 50 0 -35 54 23 18 24 6 -5 28 56 1.90 214.6 193.60 11.21S 149 0 0 -36 1 4 18 24 34 -5 28 56 1.89 214.7 193.66 11.27S 149 10 0 -36 7 50 18 25 3 -5 28 56 1.88 214.7 193.72 11.33S 149 20 0 -36 14 41 18 25 31 -5 28 55 1.87 214.8 193.78 11.39S 149 30 0 -36 21 38 18 26 0 -4 28 55 1.86 214.9 193.83 11.44S 149 40 0 -36 28 40 18 26 29 -4 28 55 1.85 214.9 193.89 11.50S 149 50 0 -36 35 47 18 26 58 -4 29 54 1.84 215.0 193.95 11.56S 150 0 0 -36 43 0 18 27 28 -4 29 54 1.83 215.0 194.01 11.62S 150 10 0 -36 50 18 18 27 57 -3 29 54 1.82 215.1 194.06 11.67S 150 20 0 -36 57 41 18 28 27 -3 29 54 1.81 215.1 194.12 11.73S 150 30 0 -37 5 10 18 28 57 -3 29 53 1.80 215.2 194.18 11.78S 150 40 0 -37 12 44 18 29 27 -3 29 53 1.79 215.3 194.23 11.84S 150 50 0 -37 20 24 18 29 58 -2 29 53 1.79 215.3 194.29 11.89S 151 0 0 -37 28 9 18 30 28 -2 29 52 1.78 215.4 194.34 11.95S 151 10 0 -37 36 0 18 30 59 -2 29 52 1.77 215.4 194.39 12.00S Path coordinates are referred to WGS84 (as used by GPS). 1609 is multiple : 4.6 11.0 3.7" 268.0 : 4.7 9.0 276" 305.0 : 4.7 314" 294.0 Graze Path of component #2 7.69km North, and 8.0 secs. earlier cf. primary. Graze Path of component #3 6.85km North, and 747.8 secs. earlier cf. primary. Graze Path of component #4 212.59km North, and 834.0 secs. earlier cf. primary. Librations Long +3.22 Lat -1.78 P +194.3 D -2.3 Illumination of moon 31%- Elongation of Moon 68 Vertical Profile Scale 3.59 km/arcsec at mean distance of moon Horizontal Scale Factor 1.43 deg/min Limiting Magnitudes for various telescope apertures (in mm) CA\Tdia 50 100 150 200 250 300 350 8.0 4.8 6.2 6.9 7.4 7.7 7.8 8.0 10.0 4.8 6.2 6.9 7.4 7.7 7.8 8.0 12.0 4.8 6.2 6.9 7.4 7.7 7.8 8.0 14.0 4.8 6.2 6.9 7.4 7.7 7.8 8.0 16.0 4.8 6.2 6.9 7.4 7.7 7.8 8.0