Grazing Occultation of 2505 K4 Magnitude 5.3 2505 = 43 Ophiuchi Date 2006 August 5 (Saturday) 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 143 0 0 -38 40 23 16 36 8 21 250 2.67 174.3 171.07 5.51S 143 10 0 -38 34 37 16 36 16 20 250 2.69 174.3 171.07 5.51S 143 20 0 -38 28 51 16 36 23 20 250 2.72 174.3 171.06 5.52S 143 30 0 -38 23 4 16 36 31 20 249 2.74 174.3 171.05 5.52S 143 40 0 -38 17 18 16 36 38 20 249 2.77 174.3 171.04 5.53S 143 50 0 -38 11 30 16 36 45 20 249 2.80 174.3 171.04 5.54S 144 0 0 -38 5 43 16 36 53 19 249 2.83 174.3 171.03 5.55S 144 10 0 -37 59 55 16 37 0 19 249 2.85 174.3 171.02 5.56S 144 20 0 -37 54 7 16 37 7 19 249 2.88 174.3 171.01 5.56S 144 30 0 -37 48 18 16 37 14 19 249 2.91 174.3 171.00 5.57S 144 40 0 -37 42 29 16 37 21 19 248 2.94 174.3 171.00 5.58S 144 50 0 -37 36 40 16 37 28 19 248 2.97 174.2 170.99 5.59S 145 0 0 -37 30 50 16 37 35 18 248 3.00 174.2 170.97 5.60S 145 10 0 -37 25 0 16 37 42 18 248 3.04 174.2 170.97 5.61S 145 20 0 -37 19 10 16 37 49 18 248 3.07 174.2 170.96 5.62S 145 30 0 -37 13 20 16 37 55 18 248 3.10 174.2 170.96 5.61S 145 40 0 -37 7 29 16 38 2 18 248 3.14 174.2 170.95 5.63S 145 50 0 -37 1 39 16 38 9 18 248 3.17 174.2 170.94 5.64S 146 0 0 -36 55 48 16 38 15 17 247 3.20 174.2 170.93 5.64S 146 10 0 -36 49 56 16 38 22 17 247 3.24 174.2 170.93 5.65S 146 20 0 -36 44 5 16 38 28 17 247 3.28 174.2 170.92 5.66S 146 30 0 -36 38 13 16 38 34 17 247 3.31 174.2 170.91 5.66S 146 40 0 -36 32 21 16 38 41 17 247 3.35 174.2 170.91 5.67S 146 50 0 -36 26 29 16 38 47 16 247 3.39 174.2 170.90 5.67S 147 0 0 -36 20 37 16 38 53 16 247 3.43 174.2 170.90 5.68S 147 10 0 -36 14 44 16 38 59 16 247 3.47 174.2 170.89 5.68S 147 20 0 -36 8 51 16 39 5 16 246 3.51 174.1 170.89 5.69S 147 30 0 -36 2 59 16 39 11 16 246 3.56 174.1 170.88 5.69S 147 40 1 -35 57 6 16 39 17 16 246 3.60 174.1 170.88 5.70S 147 50 1 -35 51 13 16 39 23 15 246 3.65 174.1 170.87 5.70S 148 0 1 -35 45 19 16 39 29 15 246 3.69 174.1 170.87 5.71S 148 10 1 -35 39 26 16 39 34 15 246 3.74 174.1 170.87 5.71S 148 20 1 -35 33 33 16 39 40 15 246 3.79 174.1 170.86 5.71S 148 30 1 -35 27 39 16 39 46 15 246 3.83 174.1 170.86 5.72S 148 40 1 -35 21 45 16 39 51 14 246 3.89 174.1 170.85 5.72S 148 50 1 -35 15 52 16 39 57 14 245 3.94 174.1 170.85 5.73S 149 0 1 -35 9 58 16 40 2 14 245 3.99 174.1 170.85 5.73S 149 10 1 -35 4 4 16 40 7 14 245 4.04 174.1 170.84 5.73S 149 20 1 -34 58 10 16 40 12 14 245 4.10 174.1 170.84 5.74S 149 30 1 -34 52 16 16 40 18 14 245 4.16 174.1 170.84 5.74S 149 40 1 -34 46 22 16 40 23 13 245 4.22 174.1 170.83 5.74S 149 50 1 -34 40 28 16 40 28 13 245 4.28 174.1 170.83 5.74S 150 0 1 -34 34 34 16 40 33 13 245 4.34 174.1 170.83 5.75S 150 10 1 -34 28 40 16 40 38 13 245 4.40 174.1 170.83 5.75S 150 20 1 -34 22 46 16 40 43 13 244 4.47 174.1 170.82 5.75S 150 30 1 -34 16 52 16 40 47 12 244 4.53 174.1 170.82 5.75S 150 40 1 -34 10 58 16 40 52 12 244 4.60 174.1 170.82 5.76S 150 50 1 -34 5 4 16 40 57 12 244 4.67 174.1 170.82 5.76S 151 0 1 -33 59 10 16 41 1 12 244 4.75 174.1 170.82 5.76S 151 10 1 -33 53 16 16 41 6 12 244 4.82 174.1 170.82 5.76S 151 20 1 -33 47 22 16 41 10 12 244 4.90 174.1 170.81 5.76S 151 30 1 -33 41 28 16 41 15 11 244 4.98 174.1 170.81 5.76S 151 40 1 -33 35 35 16 41 19 11 244 5.07 174.1 170.81 5.77S 151 50 1 -33 29 41 16 41 23 11 243 5.15 174.1 170.81 5.77S 152 0 1 -33 23 47 16 41 28 11 243 5.24 174.1 170.81 5.77S Path coordinates are referred to WGS84 (as used by GPS). Librations Long -7.72 Lat +6.23 P +170.0 D +5.2 Illumination of moon 81%+ Elongation of Moon 129 Vertical Profile Scale 2.11 km/arcsec at mean distance of moon Horizontal Scale Factor 2.13 deg/min Limiting Magnitudes for various telescope apertures (in mm) CA\Tdia 50 100 150 200 250 300 350 1.8 2.1 3.3 3.9 4.2 4.3 4.4 4.5 3.8 3.7 5.0 5.6 5.9 6.1 6.2 6.3 5.8 3.7 5.0 5.6 5.9 6.1 6.2 6.3 7.8 4.1 5.4 6.0 6.4 6.6 6.7 6.8 9.8 4.4 5.7 6.3 6.7 6.9 7.0 7.1