Grazing Occultation of 3501 *5 Magnitude 5.0 [Red = 3.6] v R3501 = TX Piscium = 19 Piscium Date: 2012 Feb 24 1h 1m, to 2012 Feb 24 1h 18m Nominal site altitude 50m E. Longit. Latitude U.T. Sun Moon TanZ PA AA CA o ' " o ' " h m s Alt Alt Az o o o -130 0 0 47 52 9 1 1 13 11 33 233 1.54 332.5 356.50 5.74N -129 45 0 47 55 46 1 1 27 11 33 233 1.55 332.6 356.56 5.79N -129 30 0 47 59 20 1 1 40 10 33 233 1.56 332.6 356.61 5.84N -129 15 0 48 2 53 1 1 53 10 32 234 1.57 332.7 356.66 5.89N -129 0 0 48 6 23 1 2 6 10 32 234 1.58 332.7 356.71 5.94N -128 45 0 48 9 51 1 2 19 10 32 234 1.60 332.8 356.76 5.99N -128 30 0 48 13 17 1 2 32 9 32 234 1.61 332.8 356.81 6.05N -128 15 0 48 16 40 1 2 44 9 32 235 1.62 332.9 356.86 6.10N -128 0 0 48 20 2 1 2 57 9 31 235 1.63 332.9 356.91 6.15N -127 45 0 48 23 22 1 3 9 9 31 235 1.65 333.0 356.96 6.20N -127 30 0 48 26 39 1 3 22 9 31 235 1.66 333.0 357.01 6.25N -127 15 0 48 29 55 1 3 34 8 31 236 1.67 333.1 357.06 6.29N -127 0 0 48 33 8 1 3 46 8 31 236 1.68 333.1 357.11 6.34N -126 45 0 48 36 20 1 3 58 8 31 236 1.70 333.2 357.16 6.39N -126 30 0 48 39 29 1 4 10 8 30 237 1.71 333.2 357.20 6.44N -126 15 0 48 42 37 1 4 21 8 30 237 1.72 333.3 357.25 6.49N -126 0 0 48 45 42 1 4 33 7 30 237 1.74 333.3 357.30 6.54N -125 45 0 48 48 46 1 4 44 7 30 237 1.75 333.4 357.35 6.59N -125 30 0 48 51 47 1 4 56 7 30 238 1.77 333.4 357.40 6.64N -125 15 0 48 54 47 1 5 7 7 29 238 1.78 333.5 357.45 6.68N -125 0 0 48 57 44 1 5 18 7 29 238 1.79 333.5 357.49 6.73N -124 45 0 49 0 40 1 5 29 6 29 238 1.81 333.6 357.54 6.78N -124 30 0 49 3 34 1 5 40 6 29 239 1.82 333.6 357.59 6.83N -124 15 0 49 6 26 1 5 51 6 29 239 1.84 333.7 357.63 6.87N -124 0 0 49 9 16 1 6 2 6 28 239 1.85 333.7 357.68 6.92N -123 45 0 49 12 4 1 6 13 6 28 239 1.87 333.8 357.73 6.97N -123 30 0 49 14 50 1 6 23 5 28 240 1.88 333.8 357.77 7.01N -123 15 0 49 17 34 1 6 34 5 28 240 1.90 333.9 357.82 7.06N -123 0 0 49 20 17 1 6 44 5 28 240 1.91 333.9 357.87 7.11N -122 45 0 49 22 57 1 6 54 5 27 240 1.93 334.0 357.91 7.15N -122 30 0 49 25 36 1 7 4 5 27 241 1.94 334.0 357.96 7.20N -122 15 0 49 28 13 1 7 14 5 27 241 1.96 334.0 358.00 7.24N -122 0 0 49 30 48 1 7 24 4 27 241 1.97 334.1 358.05 7.29N -121 45 0 49 33 22 1 7 34 4 27 241 1.99 334.1 358.09 7.33N -121 30 0 49 35 53 1 7 44 4 27 242 2.01 334.2 358.14 7.38N -121 15 0 49 38 23 1 7 54 4 26 242 2.02 334.2 358.18 7.42N -121 0 0 49 40 51 1 8 3 4 26 242 2.04 334.3 358.23 7.47N -120 45 0 49 43 17 1 8 13 3 26 242 2.06 334.3 358.27 7.51N -120 30 0 49 45 42 1 8 22 3 26 243 2.07 334.4 358.32 7.56N -120 15 0 49 48 5 1 8 31 3 26 243 2.09 334.4 358.36 7.60N -120 0 0 49 50 26 1 8 40 3 25 243 2.11 334.4 358.41 7.65N -119 45 0 49 52 45 1 8 50 3 25 243 2.12 334.5 358.45 7.69N -119 30 0 49 55 3 1 8 59 2 25 244 2.14 334.5 358.49 7.73N -119 15 0 49 57 19 1 9 7 2 25 244 2.16 334.6 358.54 7.78N -119 0 0 49 59 33 1 9 16 2 25 244 2.18 334.6 358.58 7.82N -118 45 0 50 1 45 1 9 25 2 24 244 2.20 334.7 358.62 7.86N -118 30 0 50 3 56 1 9 34 2 24 245 2.22 334.7 358.66 7.91N -118 15 0 50 6 5 1 9 42 1 24 245 2.23 334.7 358.71 7.95N -118 0 0 50 8 13 1 9 51 1 24 245 2.25 334.8 358.75 7.99N -117 45 0 50 10 19 1 9 59 1 24 245 2.27 334.8 358.79 8.03N -117 30 0 50 12 23 1 10 7 1 24 245 2.29 334.9 358.83 8.08N -117 15 0 50 14 25 1 10 16 1 23 246 2.31 334.9 358.88 8.12N -117 0 0 50 16 26 1 10 24 1 23 246 2.33 335.0 358.92 8.16N -116 45 0 50 18 26 1 10 32 0 23 246 2.35 335.0 358.96 8.20N -116 30 0 50 20 23 1 10 40 0 23 246 2.37 335.0 359.00 8.24N -116 15 0 50 22 19 1 10 48 0 23 247 2.39 335.1 359.04 8.28N -116 0 0 50 24 14 1 10 55 0 22 247 2.42 335.1 359.08 8.33N -115 45 0 50 26 7 1 11 3 0 22 247 2.44 335.2 359.12 8.37N -115 30 0 50 27 58 1 11 11 -1 22 247 2.46 335.2 359.16 8.41N -115 15 0 50 29 48 1 11 18 -1 22 248 2.48 335.2 359.21 8.45N -115 0 0 50 31 36 1 11 26 -1 22 248 2.50 335.3 359.25 8.49N -114 45 0 50 33 23 1 11 33 -1 22 248 2.53 335.3 359.29 8.53N -114 30 0 50 35 8 1 11 40 -1 21 248 2.55 335.4 359.33 8.57N -114 15 0 50 36 51 1 11 48 -1 21 249 2.57 335.4 359.37 8.61N -114 0 0 50 38 33 1 11 55 -2 21 249 2.60 335.4 359.41 8.65N -113 45 0 50 40 14 1 12 2 -2 21 249 2.62 335.5 359.45 8.69N -113 30 0 50 41 53 1 12 9 -2 21 249 2.64 335.5 359.49 8.73N -113 15 0 50 43 30 1 12 16 -2 21 249 2.67 335.6 359.52 8.77N -113 0 0 50 45 6 1 12 23 -2 20 250 2.69 335.6 359.56 8.81N -112 45 0 50 46 41 1 12 29 -3 20 250 2.72 335.6 359.60 8.85N -112 30 0 50 48 13 1 12 36 -3 20 250 2.74 335.7 359.64 8.89N -112 15 0 50 49 45 1 12 43 -3 20 250 2.77 335.7 359.68 8.93N -112 0 0 50 51 15 1 12 49 -3 20 251 2.80 335.8 359.72 8.96N -111 45 0 50 52 43 1 12 56 -3 20 251 2.82 335.8 359.76 9.00N -111 30 0 50 54 10 1 13 2 -3 19 251 2.85 335.8 359.80 9.04N -111 15 0 50 55 36 1 13 8 -4 19 251 2.88 335.9 359.83 9.08N -111 0 0 50 57 0 1 13 14 -4 19 251 2.91 335.9 359.87 9.12N -110 45 0 50 58 23 1 13 21 -4 19 252 2.94 335.9 359.91 9.16N -110 30 0 50 59 44 1 13 27 -4 19 252 2.97 336.0 359.95 9.19N -110 15 0 51 1 4 1 13 33 -4 18 252 2.99 336.0 359.99 9.23N -110 0 0 51 2 22 1 13 39 -4 18 252 3.02 336.1 0.02 9.27N -109 45 0 51 3 39 1 13 44 -5 18 253 3.06 336.1 0.06 9.31N -109 30 0 51 4 54 1 13 50 -5 18 253 3.09 336.1 0.10 9.34N -109 15 0 51 6 9 1 13 56 -5 18 253 3.12 336.2 0.13 9.38N -109 0 0 51 7 21 1 14 2 -5 18 253 3.15 336.2 0.17 9.42N -108 45 0 51 8 33 1 14 7 -5 17 253 3.18 336.2 0.21 9.45N -108 30 0 51 9 42 1 14 13 -5 17 254 3.22 336.3 0.24 9.49N -108 15 0 51 10 51 1 14 18 -6 17 254 3.25 336.3 0.28 9.53N -108 0 0 51 11 58 1 14 24 -6 17 254 3.29 336.4 0.32 9.56N -107 45 0 51 13 4 1 14 29 -6 17 254 3.32 336.4 0.35 9.60N -107 30 0 51 14 8 1 14 34 -6 17 255 3.36 336.4 0.39 9.64N -107 15 0 51 15 11 1 14 39 -6 16 255 3.39 336.5 0.43 9.67N -107 0 0 51 16 13 1 14 44 -7 16 255 3.43 336.5 0.46 9.71N -106 45 0 51 17 13 1 14 49 -7 16 255 3.47 336.5 0.50 9.74N -106 30 0 51 18 12 1 14 54 -7 16 255 3.51 336.6 0.53 9.78N -106 15 0 51 19 10 1 14 59 -7 16 256 3.55 336.6 0.57 9.81N -106 0 0 51 20 6 1 15 4 -7 16 256 3.59 336.6 0.60 9.85N -105 45 0 51 21 1 1 15 9 -7 15 256 3.63 336.7 0.64 9.88N -105 30 0 51 21 54 1 15 14 -8 15 256 3.67 336.7 0.67 9.92N -105 15 0 51 22 47 1 15 18 -8 15 257 3.71 336.7 0.71 9.96N -105 0 0 51 23 37 1 15 23 -8 15 257 3.76 336.8 0.74 9.99N -104 45 0 51 24 27 1 15 27 -8 15 257 3.80 336.8 0.78 10.02N -104 30 0 51 25 15 1 15 32 -8 15 257 3.85 336.9 0.81 10.06N -104 15 0 51 26 2 1 15 36 -8 14 257 3.89 336.9 0.85 10.09N -104 0 0 51 26 48 1 15 40 -9 14 258 3.94 336.9 0.88 10.13N -103 45 0 51 27 33 1 15 45 -9 14 258 3.99 337.0 0.91 10.16N -103 30 0 51 28 16 1 15 49 -9 14 258 4.04 337.0 0.95 10.20N -103 15 0 51 28 57 1 15 53 -9 14 258 4.09 337.0 0.98 10.23N -103 0 0 51 29 38 1 15 57 -9 14 258 4.14 337.1 1.02 10.26N -102 45 0 51 30 17 1 16 1 -9 13 259 4.19 337.1 1.05 10.30N -102 30 0 51 30 55 1 16 5 -10 13 259 4.25 337.1 1.08 10.33N -102 15 0 51 31 32 1 16 9 -10 13 259 4.30 337.2 1.12 10.36N -102 0 0 51 32 7 1 16 12 -10 13 259 4.36 337.2 1.15 10.40N -101 45 0 51 32 42 1 16 16 -10 13 260 4.42 337.2 1.18 10.43N -101 30 0 51 33 15 1 16 20 -10 13 260 4.48 337.3 1.22 10.46N -101 15 0 51 33 46 1 16 23 -10 12 260 4.54 337.3 1.25 10.50N -101 0 0 51 34 17 1 16 27 -11 12 260 4.60 337.3 1.28 10.53N -100 45 0 51 34 46 1 16 31 -11 12 260 4.67 337.4 1.31 10.56N -100 30 0 51 35 14 1 16 34 -11 12 261 4.73 337.4 1.35 10.60N -100 15 0 51 35 41 1 16 37 -11 12 261 4.80 337.4 1.38 10.63N -100 0 0 51 36 6 1 16 41 -11 12 261 4.87 337.4 1.41 10.66N - 99 45 0 51 36 31 1 16 44 -11 11 261 4.94 337.5 1.44 10.69N - 99 30 0 51 36 54 1 16 47 -12 11 261 5.01 337.5 1.48 10.72N - 99 15 0 51 37 15 1 16 50 -12 11 262 5.09 337.5 1.51 10.76N - 99 0 0 51 37 36 1 16 53 -12 11 262 5.17 337.6 1.54 10.79N - 98 45 0 51 37 55 1 16 56 11 262 5.25 337.6 1.57 10.82N - 98 30 0 51 38 14 1 16 59 11 262 5.33 337.6 1.60 10.85N - 98 15 0 51 38 31 1 17 2 10 262 5.41 337.7 1.63 10.88N - 98 0 0 51 38 47 1 17 5 10 263 5.50 337.7 1.67 10.91N - 97 45 0 51 39 1 1 17 8 10 263 5.59 337.7 1.70 10.95N - 97 30 0 51 39 15 1 17 10 10 263 5.68 337.8 1.73 10.98N - 97 15 0 51 39 27 1 17 13 10 263 5.78 337.8 1.76 11.01N - 97 0 0 51 39 38 1 17 16 10 264 5.87 337.8 1.79 11.04N - 96 45 0 51 39 48 1 17 18 9 264 5.98 337.9 1.82 11.07N - 96 30 0 51 39 56 1 17 21 9 264 6.08 337.9 1.85 11.10N - 96 15 0 51 40 4 1 17 23 9 264 6.19 337.9 1.88 11.13N - 96 0 0 51 40 10 1 17 25 9 264 6.30 338.0 1.91 11.16N - 95 45 0 51 40 15 1 17 28 9 265 6.42 338.0 1.94 11.19N - 95 30 0 51 40 19 1 17 30 9 265 6.54 338.0 1.97 11.22N - 95 15 0 51 40 22 1 17 32 9 265 6.66 338.0 2.00 11.25N - 95 0 0 51 40 24 1 17 34 8 265 6.79 338.1 2.03 11.28N - 94 45 0 51 40 24 1 17 36 8 265 6.93 338.1 2.06 11.31N - 94 30 0 51 40 24 1 17 38 8 266 7.07 338.1 2.09 11.34N - 94 15 0 51 40 22 1 17 40 8 266 7.21 338.2 2.12 11.37N - 94 0 0 51 40 19 1 17 42 8 266 7.36 338.2 2.15 11.40N - 93 45 0 51 40 15 1 17 44 8 266 7.52 338.2 2.18 11.43N - 93 30 0 51 40 10 1 17 46 7 266 7.68 338.3 2.21 11.46N - 93 15 0 51 40 4 1 17 48 7 267 7.86 338.3 2.24 11.49N - 93 0 0 51 39 56 1 17 49 7 267 8.03 338.3 2.27 11.52N - 92 45 0 51 39 48 1 17 51 7 267 8.22 338.3 2.30 11.55N - 92 30 0 51 39 38 1 17 53 7 267 8.42 338.4 2.33 11.58N - 92 15 0 51 39 27 1 17 54 7 267 8.62 338.4 2.36 11.61N - 92 0 0 51 39 15 1 17 56 6 268 8.83 338.4 2.39 11.64N - 91 45 0 51 39 2 1 17 57 6 268 9.06 338.5 2.42 11.67N - 91 30 0 51 38 48 1 17 58 6 268 9.29 338.5 2.44 11.70N - 91 15 0 51 38 33 1 18 0 6 268 9.54 338.5 2.47 11.72N - 91 0 0 51 38 16 1 18 1 6 268 9.80 338.5 2.50 11.75N - 90 45 0 51 37 59 1 18 2 6 269 10.08 338.6 2.53 11.78N - 90 30 0 51 37 40 1 18 3 6 269 10.37 338.6 2.56 11.81N - 90 15 0 51 37 21 1 18 4 5 269 10.68 338.6 2.59 11.84N - 90 0 0 51 37 0 1 18 5 5 269 11.01 338.7 2.61 11.87N - 89 45 0 51 36 38 1 18 6 5 269 11.35 338.7 2.64 11.89N - 89 30 0 51 36 15 1 18 7 5 270 11.72 338.7 2.67 11.92N - 89 15 0 51 35 51 1 18 8 5 270 12.12 338.7 2.70 11.95N - 89 0 0 51 35 26 1 18 9 5 270 12.54 338.8 2.73 11.98N - 88 45 0 51 35 0 1 18 10 4 270 12.99 338.8 2.75 12.01N - 88 30 0 51 34 32 1 18 10 4 270 13.47 338.8 2.78 12.03N - 88 15 0 51 34 4 1 18 11 4 271 14.00 338.8 2.81 12.06N - 88 0 0 51 33 35 1 18 12 4 271 14.56 338.9 2.84 12.09N - 87 45 0 51 33 4 1 18 12 4 271 15.17 338.9 2.86 12.12N - 87 30 0 51 32 32 1 18 13 4 271 15.83 338.9 2.89 12.14N - 87 15 0 51 32 0 1 18 13 3 271 16.55 339.0 2.92 12.17N - 87 0 0 51 31 26 1 18 13 3 272 17.34 339.0 2.94 12.20N - 86 45 0 51 30 51 1 18 14 3 272 18.20 339.0 2.97 12.22N - 86 30 0 51 30 16 1 18 14 3 272 19.16 339.0 3.00 12.25N - 86 15 0 51 29 39 1 18 14 3 272 20.23 339.1 3.02 12.28N - 86 0 0 51 29 1 1 18 14 3 272 21.41 339.1 3.05 12.30N - 85 45 0 51 28 22 1 18 14 3 273 22.75 339.1 3.08 12.33N - 85 30 0 51 27 42 1 18 15 2 273 24.26 339.1 3.10 12.36N - 85 15 0 51 27 1 1 18 15 2 273 25.98 339.2 3.13 12.38N - 85 0 0 51 26 18 1 18 15 2 273 27.97 339.2 3.16 12.41N - 84 45 0 51 25 35 1 18 14 2 273 30.28 339.2 3.18 12.44N - 84 30 0 51 24 51 1 18 14 2 274 33.01 339.2 3.21 12.46N - 84 15 0 51 24 6 1 18 14 2 274 36.28 339.3 3.24 12.49N - 84 0 0 51 23 20 1 18 14 1 274 40.27 339.3 3.26 12.52N - 83 45 0 51 22 32 1 18 14 1 274 45.23 339.3 3.29 12.54N - 83 30 0 51 21 44 1 18 13 1 274 51.59 339.4 3.31 12.57N - 83 15 0 51 20 55 1 18 13 1 274 60.02 339.4 3.34 12.59N - 83 0 0 51 20 4 1 18 12 1 275 71.74 339.4 3.36 12.62N - 82 45 0 51 19 13 1 18 12 1 275 89.14 339.4 3.39 12.64N - 82 30 0 51 18 20 1 18 11 0 275 99.00 339.5 3.42 12.67N - 82 15 0 51 17 27 1 18 11 0 275 99.00 339.5 3.44 12.70N - 82 0 0 51 16 33 1 18 10 0 275 99.00 339.5 3.47 12.72N - 81 45 0 51 15 37 1 18 9 0 276 99.00 339.5 3.49 12.75N Path coordinates are referred to WGS84 (as used by GPS), with the nominal site altitude being referenced to Mean Sea Level. Projected diameter of star 20 meters [CHARM/CADARS, 24 measures] 3501 is variable: 3501 = TX Psc, 4.79 to 5.2, V, Type LB Librations Long +2.39 Lat -5.76 P +0.39 D +6.05 Illumination of moon 4%+ Elongation of Moon 24 Vertical Profile Scale 2.14 km/arcsec at mean distance of moon Horizontal Scale Factor 1.76 deg/min At longitude -105.75: Limiting Magnitudes for various telescope apertures (in cm) CA\Tdia 5 10 15 20 25 30 35 5.9 5.6 7.0 7.7 8.2 8.4 8.6 8.8 7.9 5.6 7.0 7.7 8.2 8.4 8.6 8.8 9.9 5.6 7.0 7.7 8.2 8.4 8.6 8.8 11.9 5.6 7.0 7.7 8.2 8.4 8.6 8.8 13.9 5.6 7.0 7.7 8.2 8.4 8.6 8.8 ------------------------------------------------------------------------------ Results of Observer Scan UT Site Long. Lat. Dist. h m s