Grazing Occultation of Venus Magnitude -3.8 [Red = -3.8] Date: 2016 Apr 06 8h 18m, to 2016 Apr 06 8h 39m Nominal site altitude 100m 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 15 0 0 64 22 19.5 8 18 23 25 22 151 2.52 338.6 3.53 -8.10N 15 30 0 64 39 31.7 8 19 6 25 22 152 2.53 338.6 3.54 -8.12N 16 0 0 64 56 43.1 8 19 49 25 21 153 2.55 338.6 3.56 -8.14N 16 30 0 65 13 53.2 8 20 31 25 21 153 2.56 338.6 3.57 -8.15N 17 0 0 65 31 1.4 8 21 12 25 21 154 2.58 338.6 3.59 -8.17N 17 30 0 65 48 7.2 8 21 53 25 21 155 2.60 338.7 3.61 -8.19N 18 0 0 66 5 10.2 8 22 33 25 21 156 2.62 338.7 3.64 -8.21N 18 30 0 66 22 9.9 8 23 12 25 21 156 2.64 338.7 3.66 -8.24N 19 0 0 66 39 5.9 8 23 51 25 21 157 2.66 338.7 3.69 -8.26N 19 30 0 66 55 57.6 8 24 29 25 20 158 2.69 338.8 3.71 -8.29N 20 0 0 67 12 44.8 8 25 7 25 20 159 2.71 338.8 3.74 -8.32N 20 30 0 67 29 27.0 8 25 43 25 20 159 2.73 338.8 3.77 -8.35N 21 0 0 67 46 3.8 8 26 19 25 20 160 2.76 338.9 3.80 -8.38N 21 30 0 68 2 34.8 8 26 54 25 20 161 2.79 338.9 3.83 -8.40N 22 0 0 68 18 59.6 8 27 29 25 20 161 2.82 338.9 3.86 -8.44N 22 30 0 68 35 17.9 8 28 3 25 19 162 2.85 338.9 3.89 -8.47N 23 0 0 68 51 29.3 8 28 36 25 19 163 2.88 339.0 3.92 -8.50N 23 30 0 69 7 33.6 8 29 8 25 19 164 2.91 339.0 3.95 -8.53N 24 0 0 69 23 30.5 8 29 40 24 19 164 2.94 339.0 3.99 -8.56N 24 30 0 69 39 19.6 8 30 11 24 19 165 2.97 339.1 4.02 -8.60N 25 0 0 69 55 0.7 8 30 41 24 18 166 3.01 339.1 4.05 -8.63N 25 30 0 70 10 33.3 8 31 10 24 18 166 3.04 339.1 4.09 -8.66N 26 0 0 70 25 57.5 8 31 39 24 18 167 3.08 339.2 4.12 -8.70N 26 30 0 70 41 12.9 8 32 7 24 18 168 3.12 339.2 4.16 -8.73N 27 0 0 70 56 19.4 8 32 35 24 18 168 3.16 339.2 4.19 -8.77N 27 30 0 71 11 16.8 8 33 1 24 17 169 3.20 339.3 4.23 -8.80N 28 0 0 71 26 6.7 8 33 27 23 17 170 3.24 339.3 4.26 -8.84N 28 30 0 71 40 45.2 8 33 53 23 17 170 3.28 339.3 4.30 -8.87N 29 0 0 71 55 14.0 8 34 18 23 17 171 3.32 339.4 4.33 -8.91N 29 30 0 72 9 33.0 8 34 42 23 17 172 3.37 339.4 4.37 -8.94N 30 0 0 72 23 42.0 8 35 5 23 16 172 3.41 339.5 4.40 -8.98N 30 30 0 72 37 41.0 8 35 28 23 16 173 3.46 339.5 4.44 -9.01N 31 0 0 72 51 29.8 8 35 50 23 16 173 3.51 339.5 4.47 -9.05N 31 30 0 73 5 8.3 8 36 12 22 16 174 3.56 339.6 4.51 -9.08N 32 0 0 73 18 36.4 8 36 32 22 16 175 3.61 339.6 4.55 -9.12N 32 30 0 73 31 54.1 8 36 53 22 15 175 3.66 339.6 4.58 -9.15N 33 0 0 73 45 1.4 8 37 13 22 15 176 3.71 339.7 4.61 -9.19N 33 30 0 73 57 54.0 8 37 32 22 15 176 3.76 339.7 4.65 -9.22N 34 0 0 74 10 40.0 8 37 50 22 15 177 3.82 339.7 4.68 -9.25N 34 30 0 74 23 15.4 8 38 9 22 14 178 3.87 339.8 4.71 -9.29N 35 0 0 74 35 40.2 8 38 26 21 14 178 3.93 339.8 4.75 -9.32N Outer limit - Venus just touches the moon 15 0 0 65 3 12.9 8 19 7 25 21 151 2.59 338.7 3.63 -8.21N 15 30 0 65 20 35.7 8 19 49 25 21 152 2.61 338.7 3.65 -8.23N 16 0 0 65 37 57.5 8 20 31 25 21 153 2.63 338.7 3.67 -8.25N 16 30 0 65 55 17.7 8 21 12 25 21 154 2.64 338.7 3.69 -8.27N 17 0 0 66 12 35.9 8 21 53 25 21 154 2.66 338.8 3.71 -8.29N 17 30 0 66 29 51.5 8 22 33 25 20 155 2.69 338.8 3.72 -8.31N 18 0 0 66 47 4.0 8 23 12 25 20 156 2.71 338.8 3.75 -8.33N 18 30 0 67 4 12.9 8 23 50 25 20 157 2.73 338.8 3.77 -8.36N 19 0 0 67 21 17.8 8 24 28 25 20 157 2.75 338.9 3.80 -8.39N 19 30 0 67 38 18.3 8 25 5 25 20 158 2.78 338.9 3.83 -8.41N 20 0 0 67 55 14.0 8 25 42 25 20 159 2.81 338.9 3.86 -8.44N 20 30 0 68 12 4.5 8 26 18 24 19 160 2.83 338.9 3.89 -8.47N 21 0 0 68 28 49.3 8 26 53 24 19 160 2.86 339.0 3.92 -8.50N 21 30 0 68 45 27.9 8 27 27 24 19 161 2.89 339.0 3.95 -8.53N 22 0 0 69 2 0.1 8 28 0 24 19 162 2.92 339.0 3.98 -8.56N 22 30 0 69 18 25.6 8 28 33 24 19 162 2.96 339.1 4.01 -8.60N 23 0 0 69 34 44.0 8 29 5 24 18 163 2.99 339.1 4.04 -8.63N 23 30 0 69 50 55.0 8 29 37 24 18 164 3.02 339.1 4.08 -8.66N 24 0 0 70 6 58.2 8 30 7 24 18 164 3.06 339.2 4.11 -8.69N 24 30 0 70 22 53.1 8 30 37 24 18 165 3.10 339.2 4.14 -8.73N 25 0 0 70 38 39.8 8 31 7 24 18 166 3.13 339.2 4.18 -8.76N 25 30 0 70 54 17.9 8 31 35 23 17 166 3.17 339.3 4.21 -8.80N 26 0 0 71 9 47.3 8 32 3 23 17 167 3.21 339.3 4.25 -8.83N 26 30 0 71 25 9.5 8 32 30 23 17 168 3.26 339.3 4.28 -8.87N 27 0 0 71 40 20.5 8 32 56 23 17 168 3.30 339.4 4.32 -8.90N 27 30 0 71 55 22.0 8 33 22 23 17 169 3.34 339.4 4.35 -8.94N 28 0 0 72 10 13.8 8 33 47 23 16 170 3.39 339.4 4.39 -8.97N 28 30 0 72 24 55.7 8 34 11 23 16 170 3.43 339.5 4.42 -9.01N 29 0 0 72 39 27.7 8 34 35 23 16 171 3.48 339.5 4.46 -9.04N 29 30 0 72 53 49.4 8 34 58 22 16 172 3.53 339.5 4.49 -9.08N 30 0 0 73 8 0.9 8 35 21 22 16 172 3.58 339.6 4.53 -9.12N 30 30 0 73 22 2.0 8 35 42 22 15 173 3.63 339.6 4.57 -9.15N 31 0 0 73 35 52.4 8 36 4 22 15 173 3.69 339.7 4.60 -9.19N 31 30 0 73 49 28.0 8 36 24 22 15 174 3.74 339.7 4.63 -9.22N 32 0 0 74 2 57.1 8 36 44 22 15 175 3.79 339.7 4.67 -9.25N 32 30 0 74 16 15.3 8 37 3 21 15 175 3.85 339.8 4.70 -9.29N 33 0 0 74 29 22.8 8 37 22 21 14 176 3.91 339.8 4.74 -9.32N 33 30 0 74 42 19.3 8 37 40 21 14 177 3.97 339.8 4.77 -9.36N 34 0 0 74 55 4.9 8 37 58 21 14 177 4.03 339.9 4.81 -9.39N 34 30 0 75 7 39.7 8 38 15 21 14 178 4.09 339.9 4.84 -9.42N 35 0 0 75 20 3.5 8 38 32 21 14 178 4.16 339.9 4.87 -9.46N 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. Projected diameter of star 94 meters [Estimated] C A S S I N I R E G I O N G R A Z E Librations Long -3.46 Lat +2.05 P +3.94 D -2.03 Illumination of moon 2%- Elongation of Moon 16 Vertical Profile Scale approx. 4.89 km/arcsec at mean distance of moon Horizontal Scale Factor 1.71 deg/min At longitude 25.00: Limiting Magnitudes for various telescope apertures (in cm) CA\Tdia 5 10 15 20 25 30 35 -12.6 -0.6 0.8 1.4 1.7 1.9 2.1 2.2 -10.6 -0.3 1.0 1.7 2.0 2.2 2.4 2.4 -8.6 0.0 1.3 1.9 2.2 2.5 2.6 2.7 -6.6 0.1 1.5 2.1 2.4 2.6 2.8 2.9 -4.6 0.3 1.6 2.2 2.6 2.8 2.9 3.0 ------------------------------------------------------------------------------ Results of Observer Scan UT Site Long. Lat. Dist. h m s