Grazing Occultation of 518 SA3 Magnitude 6.0s 518 = 7 Tauri Date 2006 June 22 (Thursday) 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 142 0 0 -41 29 33 20 49 34 10 44 5.47 332.4 345.41 21.11N 142 10 0 -41 23 1 20 49 40 11 44 5.37 332.3 345.38 21.14N 142 20 0 -41 16 29 20 49 45 11 44 5.28 332.3 345.35 21.17N 142 30 0 -41 9 55 20 49 51 -12 11 43 5.19 332.3 345.32 21.20N 142 40 0 -41 3 20 20 49 56 -12 11 43 5.11 332.3 345.28 21.23N 142 50 0 -40 56 43 20 50 2 -12 11 43 5.02 332.2 345.25 21.26N 143 0 0 -40 50 6 20 50 8 -11 11 43 4.94 332.2 345.22 21.29N 143 10 0 -40 43 27 20 50 14 -11 12 43 4.87 332.2 345.19 21.33N 143 20 0 -40 36 47 20 50 20 -11 12 43 4.79 332.1 345.16 21.36N 143 30 0 -40 30 6 20 50 26 -11 12 43 4.71 332.1 345.13 21.39N 143 40 0 -40 23 23 20 50 32 -11 12 43 4.64 332.1 345.10 21.42N 143 50 0 -40 16 39 20 50 39 -11 12 42 4.57 332.0 345.07 21.45N 144 0 0 -40 9 54 20 50 45 -10 13 42 4.50 332.0 345.04 21.48N 144 10 0 -40 3 8 20 50 51 -10 13 42 4.44 332.0 345.01 21.51N 144 20 0 -39 56 21 20 50 58 -10 13 42 4.37 332.0 344.98 21.54N 144 30 0 -39 49 32 20 51 5 -10 13 42 4.31 331.9 344.95 21.57N 144 40 0 -39 42 42 20 51 11 -10 13 42 4.24 331.9 344.92 21.60N 144 50 0 -39 35 51 20 51 18 -9 13 42 4.18 331.9 344.89 21.63N 145 0 0 -39 28 59 20 51 25 -9 14 41 4.12 331.8 344.86 21.66N 145 10 0 -39 22 6 20 51 32 -9 14 41 4.07 331.8 344.83 21.69N 145 20 0 -39 15 11 20 51 40 -9 14 41 4.01 331.8 344.80 21.72N 145 30 0 -39 8 15 20 51 47 -9 14 41 3.95 331.7 344.77 21.75N 145 40 0 -39 1 18 20 51 54 -9 14 41 3.90 331.7 344.74 21.78N 145 50 0 -38 54 19 20 52 2 -8 15 41 3.85 331.7 344.71 21.81N 146 0 0 -38 47 19 20 52 10 -8 15 41 3.80 331.7 344.68 21.84N 146 10 0 -38 40 18 20 52 17 -8 15 41 3.75 331.6 344.65 21.87N 146 20 0 -38 33 16 20 52 25 -8 15 40 3.70 331.6 344.62 21.90N 146 30 0 -38 26 13 20 52 33 -8 15 40 3.65 331.6 344.59 21.93N 146 40 1 -38 19 8 20 52 41 -7 16 40 3.60 331.5 344.56 21.96N 146 50 1 -38 12 2 20 52 49 -7 16 40 3.56 331.5 344.53 21.99N 147 0 1 -38 4 55 20 52 57 -7 16 40 3.51 331.5 344.50 22.02N 147 10 1 -37 57 47 20 53 6 -7 16 40 3.47 331.4 344.47 22.05N 147 20 1 -37 50 38 20 53 14 -7 16 40 3.42 331.4 344.44 22.08N 147 30 1 -37 43 27 20 53 23 -6 16 39 3.38 331.4 344.41 22.11N 147 40 1 -37 36 15 20 53 32 -6 17 39 3.34 331.4 344.39 22.14N 147 50 1 -37 29 2 20 53 41 -6 17 39 3.30 331.3 344.36 22.16N 148 0 1 -37 21 47 20 53 49 -6 17 39 3.26 331.3 344.33 22.19N 148 10 1 -37 14 32 20 53 59 -6 17 39 3.22 331.3 344.30 22.22N 148 20 1 -37 7 15 20 54 8 -5 17 39 3.18 331.2 344.27 22.25N 148 30 1 -36 59 57 20 54 17 -5 18 39 3.14 331.2 344.24 22.28N 148 40 1 -36 52 38 20 54 26 -5 18 38 3.10 331.2 344.21 22.31N 148 50 1 -36 45 17 20 54 36 -5 18 38 3.07 331.2 344.18 22.34N 149 0 1 -36 37 56 20 54 46 -5 18 38 3.03 331.1 344.15 22.37N 149 10 1 -36 30 33 20 54 55 -4 18 38 3.00 331.1 344.13 22.40N 149 20 1 -36 23 9 20 55 5 -4 19 38 2.96 331.1 344.10 22.42N 149 30 1 -36 15 44 20 55 15 -4 19 38 2.93 331.0 344.07 22.45N 149 40 1 -36 8 17 20 55 26 -4 19 38 2.90 331.0 344.04 22.48N 149 50 1 -36 0 50 20 55 36 -4 19 37 2.86 331.0 344.01 22.51N 150 0 1 -35 53 21 20 55 46 -3 19 37 2.83 331.0 343.99 22.54N 150 10 1 -35 45 51 20 55 57 -3 20 37 2.80 330.9 343.96 22.56N 150 20 1 -35 38 20 20 56 7 -3 20 37 2.77 330.9 343.93 22.59N 150 30 1 -35 30 47 20 56 18 -3 20 37 2.74 330.9 343.90 22.62N 150 40 1 -35 23 14 20 56 29 -3 20 37 2.71 330.8 343.88 22.65N 150 50 1 -35 15 39 20 56 40 -2 20 37 2.68 330.8 343.85 22.67N 151 0 1 -35 8 4 20 56 51 -2 21 36 2.65 330.8 343.82 22.70N 151 10 1 -35 0 27 20 57 3 -2 21 36 2.62 330.8 343.79 22.73N 151 20 1 -34 52 48 20 57 14 -2 21 36 2.59 330.7 343.77 22.75N 151 30 1 -34 45 9 20 57 26 -1 21 36 2.56 330.7 343.74 22.78N Path coordinates are referred to WGS84 (as used by GPS). 518 is triple : 6.7 6.7 0.67" 351.7 : 5.9 9.9 22" 55.0 Graze Path of component #2 1.50km South, and 0.6 secs. later cf. primary. Graze Path of component #3 5.25km South, and 50.6 secs. later cf. primary. 518 = NSV 01192, 5.92 to 5.96 V , Type Librations Long +5.01 Lat -6.12 P +343.2 D +4.7 Illumination of moon 9%- Elongation of Moon 34 Vertical Profile Scale 2.35 km/arcsec at mean distance of moon Horizontal Scale Factor 1.57 deg/min Limiting Magnitudes for various telescope apertures (in mm) CA\Tdia 50 100 150 200 250 300 350 18.8 3.7 5.0 5.7 6.1 6.3 6.5 6.6 20.8 3.7 5.0 5.7 6.1 6.3 6.5 6.6 22.8 3.7 5.0 5.7 6.1 6.3 6.5 6.6 24.8 3.7 5.0 5.7 6.1 6.3 6.5 6.6 26.8 3.7 5.0 5.7 6.1 6.3 6.5 6.6