Grazing Occultation of Venus Magnitude -3.8 [Red = -3.8] Date: 2024 Apr 07 15h 4m, to 2024 Apr 07 17h 37m Nominal site altitude 0m E. Longit. Latitude U.T. Sun Moon TanZ PA AA CA o ' " o ' " h m s Alt Alt Az o o o Inner limit - Venus fully obscured -111 0 0 19 54 47.8 15 43 27 35 44 111 1.03 321.4 343.29 8.74N -110 0 0 20 45 41.3 15 46 43 36 45 113 0.99 320.5 342.36 9.67N -109 0 0 21 38 58.6 15 50 5 38 47 115 0.94 319.5 341.44 10.59N -108 0 0 22 34 36.7 15 53 33 39 48 117 0.91 318.6 340.53 11.51N -107 0 0 23 32 30.3 15 57 7 41 49 120 0.87 317.7 339.63 12.40N -106 0 0 24 32 31.7 16 0 45 42 50 123 0.84 316.9 338.76 13.27N -105 0 0 25 34 30.9 16 4 27 44 51 126 0.82 316.0 337.92 14.11N -104 0 0 26 38 15.0 16 8 12 45 51 129 0.80 315.2 337.12 14.91N -103 0 0 27 43 28.6 16 11 58 47 52 132 0.78 314.5 336.36 15.68N -102 0 0 28 49 54.5 16 15 44 48 52 136 0.77 313.7 335.64 16.39N -101 0 0 29 57 13.7 16 19 29 49 53 139 0.76 313.1 334.97 17.06N -100 0 0 31 5 6.1 16 23 11 50 53 143 0.75 312.5 334.36 17.67N - 99 0 0 32 13 11.9 16 26 50 51 53 147 0.75 311.9 333.80 18.23N - 98 0 0 33 21 10.8 16 30 24 51 53 150 0.76 311.4 333.29 18.74N - 97 0 0 34 28 44.3 16 33 52 52 53 154 0.76 310.9 332.84 19.19N - 96 0 0 35 35 35.5 16 37 14 52 52 157 0.78 310.5 332.44 19.59N - 95 0 0 36 41 28.9 16 40 29 53 52 161 0.79 310.2 332.09 19.94N - 94 0 0 37 46 11.8 16 43 36 53 51 164 0.81 309.9 331.79 20.24N - 93 0 0 38 49 33.2 16 46 36 53 50 167 0.83 309.6 331.52 20.51N - 92 0 0 39 51 24.7 16 49 28 53 50 170 0.85 309.4 331.30 20.73N - 91 0 0 40 51 39.8 16 52 11 53 49 172 0.87 309.2 331.12 20.91N - 90 0 0 41 50 13.9 16 54 47 52 48 175 0.90 309.1 330.96 21.07N - 89 0 0 42 47 4.0 16 57 15 52 47 177 0.92 308.9 330.84 21.19N - 88 0 0 43 42 8.6 16 59 36 52 46 180 0.95 308.8 330.74 21.29N - 87 0 0 44 35 27.1 17 1 49 51 45 182 0.98 308.8 330.66 21.36N - 86 0 0 45 26 59.9 17 3 56 51 45 184 1.02 308.7 330.61 21.41N - 85 0 0 46 16 48.6 17 5 56 50 44 186 1.05 308.7 330.57 21.45N - 84 0 0 47 4 54.8 17 7 49 50 43 188 1.08 308.6 330.55 21.47N - 83 0 0 47 51 20.9 17 9 37 49 42 190 1.12 308.6 330.54 21.48N - 82 0 0 48 36 9.3 17 11 18 48 41 192 1.16 308.6 330.55 21.47N - 81 0 0 49 19 22.9 17 12 55 48 40 193 1.19 308.7 330.56 21.45N - 80 0 0 50 1 4.6 17 14 26 47 39 195 1.23 308.7 330.59 21.43N - 79 0 0 50 41 17.5 17 15 52 47 38 197 1.27 308.7 330.62 21.39N - 78 0 0 51 20 4.6 17 17 14 46 37 198 1.31 308.8 330.66 21.35N - 77 0 0 51 57 28.8 17 18 31 45 36 200 1.35 308.8 330.71 21.30N - 76 0 0 52 33 33.3 17 19 45 45 36 201 1.40 308.9 330.76 21.25N - 75 0 0 53 8 20.9 17 20 55 44 35 202 1.44 308.9 330.82 21.19N - 74 0 0 53 41 54.6 17 22 1 43 34 204 1.49 309.0 330.88 21.13N - 73 0 0 54 14 17.1 17 23 3 43 33 205 1.53 309.0 330.94 21.07N - 72 0 0 54 45 31.1 17 24 3 42 32 206 1.58 309.1 331.01 21.00N - 71 0 0 55 15 39.1 17 24 59 41 32 208 1.63 309.2 331.08 20.93N Outer limit - Venus just touches the moon -112 0 0 19 23 25.1 15 40 53 33 43 109 1.08 322.2 344.08 7.94N -111 0 0 20 12 12.0 15 44 2 35 44 111 1.03 321.3 343.16 8.86N -110 0 0 21 3 23.8 15 47 18 36 45 113 0.98 320.3 342.24 9.78N -109 0 0 21 56 59.3 15 50 41 38 47 115 0.94 319.4 341.32 10.70N -108 0 0 22 52 55.2 15 54 10 40 48 118 0.91 318.5 340.42 11.60N -107 0 0 23 51 5.8 15 57 44 41 49 120 0.87 317.6 339.54 12.48N -106 0 0 24 51 23.1 16 1 23 43 50 123 0.85 316.8 338.68 13.34N -105 0 0 25 53 36.9 16 5 5 44 51 126 0.82 316.0 337.85 14.17N -104 0 0 26 57 33.6 16 8 49 45 51 129 0.80 315.2 337.06 14.96N -103 0 0 28 2 57.8 16 12 35 47 52 133 0.78 314.4 336.31 15.71N -102 0 0 29 9 31.8 16 16 21 48 52 136 0.77 313.7 335.61 16.41N -101 0 0 30 16 56.6 16 20 5 49 53 140 0.76 313.1 334.96 17.07N -100 0 0 31 24 52.1 16 23 46 50 53 143 0.76 312.5 334.36 17.67N - 99 0 0 32 32 58.1 16 27 24 51 53 147 0.76 311.9 333.81 18.21N - 98 0 0 33 40 54.8 16 30 57 51 53 151 0.76 311.4 333.32 18.70N - 97 0 0 34 48 23.8 16 34 24 52 52 154 0.77 311.0 332.88 19.14N - 96 0 0 35 55 8.4 16 37 44 52 52 158 0.78 310.6 332.49 19.53N - 95 0 0 37 0 53.3 16 40 58 52 51 161 0.80 310.3 332.16 19.87N - 94 0 0 38 5 26.2 16 44 4 53 51 164 0.81 310.0 331.86 20.16N - 93 0 0 39 8 36.5 16 47 2 53 50 167 0.83 309.7 331.61 20.41N - 92 0 0 40 10 15.8 16 49 52 53 49 170 0.86 309.5 331.40 20.62N - 91 0 0 41 10 18.1 16 52 34 52 49 173 0.88 309.3 331.22 20.80N - 90 0 0 42 8 38.9 16 55 8 52 48 175 0.91 309.2 331.07 20.94N - 89 0 0 43 5 15.5 16 57 35 52 47 178 0.93 309.1 330.95 21.06N - 88 0 0 44 0 6.4 16 59 54 51 46 180 0.96 309.0 330.86 21.15N - 87 0 0 44 53 11.3 17 2 6 51 45 182 1.00 308.9 330.79 21.22N - 86 0 0 45 44 30.7 17 4 11 50 44 184 1.03 308.8 330.74 21.27N - 85 0 0 46 34 6.1 17 6 10 50 43 186 1.06 308.8 330.71 21.30N - 84 0 0 47 21 59.4 17 8 2 49 42 188 1.10 308.8 330.70 21.31N - 83 0 0 48 8 12.8 17 9 48 49 41 190 1.13 308.8 330.69 21.32N - 82 0 0 48 52 49.0 17 11 29 48 41 192 1.17 308.8 330.70 21.31N - 81 0 0 49 35 50.7 17 13 4 48 40 193 1.21 308.8 330.72 21.29N - 80 0 0 50 17 21.0 17 14 34 47 39 195 1.24 308.8 330.75 21.26N - 79 0 0 50 57 22.8 17 15 59 46 38 197 1.28 308.9 330.79 21.22N - 78 0 0 51 35 59.2 17 17 20 46 37 198 1.33 308.9 330.83 21.18N - 77 0 0 52 13 13.1 17 18 37 45 36 200 1.37 309.0 330.88 21.13N - 76 0 0 52 49 7.7 17 19 49 44 35 201 1.41 309.0 330.93 21.07N - 75 0 0 53 23 45.7 17 20 58 44 35 202 1.45 309.1 330.99 21.01N - 74 0 0 53 57 10.2 17 22 3 43 34 204 1.50 309.2 331.05 20.95N - 73 0 0 54 29 23.9 17 23 5 42 33 205 1.55 309.2 331.12 20.88N - 72 0 0 55 0 29.4 17 24 4 42 32 206 1.59 309.3 331.19 20.81N Path coordinates are referred to WGS84 (as used by GPS), with the nominal site altitude being referenced to Mean Sea Level. The path is adjusted for the effects of refraction at low moon altitudes. Angular diameter of Venus = 10.23 arcsec Projected diameter of star 45 meters [Estimated] Librations Long -0.14 Lat +2.09 P +330.95 D -1.50 Illumination of moon 2%- Elongation of Moon 15 Vertical Profile Scale approx. 2.35 km/arcsec at mean distance of moon Horizontal Scale Factor 1.44 deg/min At longitude -90.00: Limiting Magnitudes for various telescope apertures (in cm) CA\Tdia 5 10 15 20 25 30 35 17.1 1.1 2.6 3.3 3.8 4.1 4.3 4.5 19.1 1.1 2.6 3.3 3.8 4.1 4.3 4.5 21.1 1.1 2.6 3.3 3.8 4.1 4.3 4.5 23.1 1.1 2.6 3.3 3.8 4.1 4.3 4.5 25.1 1.1 2.6 3.3 3.8 4.1 4.3 4.5