Grazing Occultation of 3146 F7 Magnitude 6.6 [Red = 6.4] Date: 2010 Dec 11 1h 6m, to 2010 Dec 11 1h 45m Nominal site altitude 250m E. Longit. Latitude U.T. Sun Moon TanZ PA AA CA o ' " o ' " h m s Alt Alt Az o o o -115 0 0 33 47 7 1 6 24 -7 41 205 1.14 144.2 161.51 15.63S -114 45 0 33 58 12 1 7 0 -8 41 206 1.15 144.3 161.56 15.58S -114 30 0 34 9 14 1 7 36 -8 41 206 1.16 144.3 161.62 15.53S -114 15 0 34 20 13 1 8 11 -8 40 206 1.17 144.4 161.67 15.47S -114 0 0 34 31 7 1 8 45 -9 40 207 1.19 144.4 161.72 15.42S -113 45 0 34 41 57 1 9 19 -9 40 207 1.20 144.5 161.78 15.36S -113 30 0 34 52 44 1 9 53 -10 40 208 1.21 144.5 161.83 15.31S -113 15 0 35 3 27 1 10 27 -10 39 208 1.23 144.6 161.89 15.25S -113 0 0 35 14 6 1 11 0 -10 39 208 1.24 144.7 161.95 15.20S -112 45 0 35 24 42 1 11 32 -11 39 209 1.25 144.7 162.00 15.14S -112 30 0 35 35 13 1 12 5 -11 38 209 1.27 144.8 162.06 15.08S -112 15 0 35 45 41 1 12 36 -11 38 210 1.28 144.8 162.12 15.03S -112 0 0 35 56 5 1 13 8 -12 38 210 1.29 144.9 162.17 14.97S -111 45 0 36 6 25 1 13 39 37 210 1.31 144.9 162.23 14.91S -111 30 0 36 16 41 1 14 10 37 211 1.32 145.0 162.29 14.85S -111 15 0 36 26 53 1 14 40 37 211 1.34 145.1 162.35 14.79S -111 0 0 36 37 2 1 15 10 36 211 1.35 145.1 162.41 14.73S -110 45 0 36 47 6 1 15 40 36 212 1.37 145.2 162.47 14.68S -110 30 0 36 57 7 1 16 9 36 212 1.38 145.2 162.53 14.62S -110 15 0 37 7 4 1 16 38 36 212 1.40 145.3 162.59 14.56S -110 0 0 37 16 57 1 17 7 35 213 1.41 145.4 162.65 14.50S -109 45 0 37 26 46 1 17 35 35 213 1.43 145.4 162.71 14.44S -109 30 0 37 36 32 1 18 3 35 213 1.45 145.5 162.77 14.38S -109 15 0 37 46 14 1 18 30 34 214 1.46 145.5 162.83 14.32S -109 0 0 37 55 52 1 18 57 34 214 1.48 145.6 162.89 14.26S -108 45 0 38 5 26 1 19 24 34 214 1.49 145.7 162.95 14.20S -108 30 0 38 14 56 1 19 51 34 215 1.51 145.7 163.01 14.14S -108 15 0 38 24 23 1 20 17 33 215 1.53 145.8 163.07 14.07S -108 0 0 38 33 46 1 20 43 33 215 1.54 145.8 163.13 14.01S -107 45 0 38 43 5 1 21 8 33 216 1.56 145.9 163.19 13.95S -107 30 0 38 52 21 1 21 33 32 216 1.58 146.0 163.25 13.89S -107 15 0 39 1 33 1 21 58 32 216 1.60 146.0 163.31 13.83S -107 0 0 39 10 41 1 22 23 32 217 1.61 146.1 163.37 13.77S -106 45 0 39 19 46 1 22 47 31 217 1.63 146.1 163.43 13.71S -106 30 0 39 28 47 1 23 11 31 217 1.65 146.2 163.49 13.65S -106 15 0 39 37 44 1 23 34 31 217 1.67 146.3 163.55 13.59S -106 0 0 39 46 38 1 23 58 31 218 1.69 146.3 163.61 13.53S -105 45 0 39 55 28 1 24 21 30 218 1.71 146.4 163.67 13.47S -105 30 0 40 4 14 1 24 43 30 218 1.73 146.4 163.73 13.41S -105 15 0 40 12 57 1 25 6 30 219 1.75 146.5 163.80 13.35S -105 0 0 40 21 37 1 25 28 30 219 1.76 146.6 163.86 13.29S -104 45 0 40 30 13 1 25 50 29 219 1.78 146.6 163.92 13.23S -104 30 0 40 38 45 1 26 11 29 219 1.80 146.7 163.98 13.17S -104 15 0 40 47 14 1 26 32 29 220 1.83 146.7 164.04 13.11S -104 0 0 40 55 40 1 26 53 28 220 1.85 146.8 164.10 13.05S -103 45 0 41 4 2 1 27 14 28 220 1.87 146.9 164.16 12.98S -103 30 0 41 12 21 1 27 34 28 221 1.89 146.9 164.22 12.93S -103 15 0 41 20 36 1 27 55 28 221 1.91 147.0 164.28 12.87S -103 0 0 41 28 48 1 28 14 27 221 1.93 147.0 164.34 12.81S -102 45 0 41 36 57 1 28 34 27 221 1.95 147.1 164.40 12.75S -102 30 0 41 45 2 1 28 53 27 222 1.98 147.2 164.46 12.69S -102 15 0 41 53 4 1 29 12 27 222 2.00 147.2 164.51 12.63S -102 0 0 42 1 2 1 29 31 26 222 2.02 147.3 164.57 12.57S -101 45 0 42 8 58 1 29 50 26 222 2.05 147.3 164.63 12.51S -101 30 0 42 16 50 1 30 8 26 223 2.07 147.4 164.69 12.45S -101 15 0 42 24 39 1 30 26 26 223 2.09 147.5 164.75 12.39S -101 0 0 42 32 24 1 30 44 25 223 2.12 147.5 164.81 12.33S -100 45 0 42 40 7 1 31 1 25 223 2.14 147.6 164.87 12.27S -100 30 0 42 47 46 1 31 19 25 224 2.17 147.6 164.93 12.22S -100 15 0 42 55 22 1 31 36 25 224 2.19 147.7 164.98 12.16S -100 0 0 43 2 55 1 31 53 24 224 2.22 147.8 165.04 12.10S - 99 45 0 43 10 25 1 32 9 24 224 2.25 147.8 165.10 12.04S - 99 30 0 43 17 52 1 32 26 24 225 2.27 147.9 165.16 11.98S - 99 15 0 43 25 16 1 32 42 23 225 2.30 147.9 165.21 11.93S - 99 0 0 43 32 36 1 32 58 23 225 2.33 148.0 165.27 11.87S - 98 45 0 43 39 54 1 33 13 23 225 2.36 148.0 165.33 11.81S - 98 30 0 43 47 8 1 33 29 23 226 2.39 148.1 165.39 11.76S - 98 15 0 43 54 20 1 33 44 23 226 2.41 148.2 165.44 11.70S - 98 0 0 44 1 29 1 33 59 22 226 2.44 148.2 165.50 11.64S - 97 45 0 44 8 34 1 34 14 22 226 2.47 148.3 165.56 11.59S - 97 30 0 44 15 37 1 34 29 22 227 2.50 148.3 165.61 11.53S - 97 15 0 44 22 37 1 34 43 22 227 2.54 148.4 165.67 11.47S - 97 0 0 44 29 34 1 34 57 21 227 2.57 148.4 165.72 11.42S - 96 45 0 44 36 28 1 35 11 21 227 2.60 148.5 165.78 11.36S - 96 30 0 44 43 19 1 35 25 21 228 2.63 148.5 165.83 11.31S - 96 15 0 44 50 7 1 35 39 21 228 2.67 148.6 165.89 11.25S - 96 0 0 44 56 53 1 35 52 20 228 2.70 148.7 165.94 11.20S - 95 45 0 45 3 36 1 36 5 20 228 2.73 148.7 166.00 11.14S - 95 30 0 45 10 16 1 36 19 20 229 2.77 148.8 166.05 11.09S - 95 15 0 45 16 53 1 36 31 20 229 2.80 148.8 166.11 11.03S - 95 0 0 45 23 27 1 36 44 19 229 2.84 148.9 166.16 10.98S - 94 45 0 45 29 59 1 36 56 19 229 2.88 148.9 166.21 10.93S - 94 30 0 45 36 28 1 37 9 19 230 2.92 149.0 166.27 10.87S - 94 15 0 45 42 54 1 37 21 19 230 2.95 149.0 166.32 10.82S - 94 0 0 45 49 18 1 37 33 18 230 2.99 149.1 166.37 10.77S - 93 45 0 45 55 39 1 37 45 18 230 3.03 149.1 166.43 10.71S - 93 30 0 46 1 57 1 37 56 18 231 3.08 149.2 166.48 10.66S - 93 15 0 46 8 13 1 38 7 18 231 3.12 149.2 166.53 10.61S - 93 0 0 46 14 26 1 38 19 18 231 3.16 149.3 166.58 10.56S - 92 45 0 46 20 37 1 38 30 17 231 3.20 149.3 166.63 10.51S - 92 30 0 46 26 45 1 38 41 17 231 3.25 149.4 166.68 10.46S - 92 15 0 46 32 50 1 38 51 17 232 3.29 149.4 166.73 10.41S - 92 0 0 46 38 53 1 39 2 17 232 3.34 149.5 166.79 10.36S - 91 45 0 46 44 53 1 39 12 16 232 3.39 149.5 166.84 10.30S - 91 30 0 46 50 51 1 39 23 16 232 3.44 149.6 166.89 10.25S - 91 15 0 46 56 47 1 39 33 16 233 3.48 149.6 166.94 10.20S - 91 0 0 47 2 40 1 39 43 16 233 3.54 149.7 166.99 10.15S - 90 45 0 47 8 30 1 39 52 16 233 3.59 149.7 167.04 10.10S - 90 30 0 47 14 18 1 40 2 15 233 3.64 149.8 167.09 10.05S - 90 15 0 47 20 4 1 40 11 15 233 3.69 149.8 167.14 10.00S - 90 0 0 47 25 47 1 40 21 15 234 3.75 149.9 167.20 9.94S - 89 45 0 47 31 28 1 40 30 15 234 3.81 150.0 167.25 9.89S - 89 30 0 47 37 6 1 40 39 15 234 3.87 150.0 167.30 9.84S - 89 15 0 47 42 42 1 40 48 14 234 3.93 150.1 167.35 9.79S - 89 0 0 47 48 16 1 40 56 14 235 3.99 150.1 167.40 9.75S - 88 45 0 47 53 48 1 41 5 14 235 4.05 150.2 167.44 9.70S - 88 30 0 47 59 17 1 41 13 14 235 4.11 150.2 167.49 9.65S - 88 15 0 48 4 44 1 41 22 13 235 4.18 150.2 167.54 9.60S - 88 0 0 48 10 8 1 41 30 13 235 4.25 150.3 167.59 9.55S - 87 45 0 48 15 31 1 41 38 13 236 4.32 150.3 167.64 9.50S - 87 30 0 48 20 51 1 41 46 13 236 4.39 150.4 167.69 9.46S - 87 15 0 48 26 9 1 41 54 13 236 4.46 150.4 167.73 9.41S - 87 0 0 48 31 24 1 42 1 12 236 4.54 150.5 167.78 9.36S - 86 45 0 48 36 38 1 42 9 12 237 4.62 150.5 167.83 9.31S - 86 30 0 48 41 49 1 42 16 12 237 4.70 150.6 167.87 9.27S - 86 15 0 48 46 58 1 42 23 12 237 4.78 150.6 167.92 9.22S - 86 0 0 48 52 5 1 42 31 12 237 4.87 150.7 167.97 9.17S - 85 45 0 48 57 9 1 42 38 11 237 4.96 150.7 168.01 9.13S - 85 30 0 49 2 12 1 42 44 11 238 5.05 150.8 168.06 9.08S - 85 15 0 49 7 13 1 42 51 11 238 5.14 150.8 168.11 9.03S - 85 0 0 49 12 11 1 42 58 11 238 5.24 150.9 168.15 8.99S - 84 45 0 49 17 7 1 43 4 11 238 5.34 150.9 168.20 8.94S - 84 30 0 49 22 1 1 43 11 10 238 5.44 151.0 168.24 8.90S - 84 15 0 49 26 53 1 43 17 10 239 5.55 151.0 168.29 8.85S - 84 0 0 49 31 44 1 43 23 10 239 5.66 151.0 168.33 8.81S - 83 45 0 49 36 32 1 43 29 10 239 5.77 151.1 168.38 8.76S - 83 30 0 49 41 18 1 43 35 10 239 5.89 151.1 168.42 8.72S - 83 15 0 49 46 1 1 43 41 9 240 6.01 151.2 168.47 8.67S - 83 0 0 49 50 43 1 43 47 9 240 6.14 151.2 168.51 8.63S - 82 45 0 49 55 23 1 43 52 9 240 6.27 151.3 168.56 8.59S - 82 30 0 50 0 1 1 43 58 9 240 6.41 151.3 168.60 8.54S - 82 15 0 50 4 37 1 44 3 9 240 6.55 151.3 168.64 8.50S - 82 0 0 50 9 11 1 44 8 8 241 6.70 151.4 168.69 8.45S - 81 45 0 50 13 44 1 44 14 8 241 6.85 151.4 168.73 8.41S - 81 30 0 50 18 14 1 44 19 8 241 7.02 151.5 168.77 8.37S - 81 15 0 50 22 42 1 44 24 8 241 7.18 151.5 168.82 8.32S - 81 0 0 50 27 8 1 44 28 8 241 7.36 151.6 168.86 8.28S - 80 45 0 50 31 33 1 44 33 8 242 7.54 151.6 168.90 8.24S - 80 30 0 50 35 55 1 44 38 7 242 7.74 151.7 168.94 8.20S - 80 15 0 50 40 16 1 44 42 7 242 7.94 151.7 168.99 8.15S - 80 0 0 50 44 35 1 44 47 7 242 8.15 151.7 169.03 8.11S Path coordinates are referred to WGS84 (as used by GPS), with the nominal site altitude being referenced to Mean Sea Level. Librations Long +2.07 Lat -4.56 P +165.44 D -3.64 Illumination of moon 26%+ Elongation of Moon 62 Vertical Profile Scale 2.21 km/arcsec at mean distance of moon Horizontal Scale Factor 1.54 deg/min At longitude -97.50: Limiting Magnitudes for various telescope apertures (in cm) CA\Tdia 5 10 15 20 25 30 35 7.5 5.6 7.1 7.9 8.4 8.7 9.0 9.2 9.5 5.6 7.1 7.9 8.4 8.7 9.0 9.2 11.5 5.7 7.1 7.9 8.4 8.8 9.0 9.2 13.5 5.7 7.1 7.9 8.4 8.8 9.0 9.2 15.5 5.7 7.2 8.0 8.5 8.8 9.1 9.3 ------------------------------------------------------------------------------ Results of Observer Scan UT Site Long. Lat. Dist. h m s Cheyenne WY -104.8 41.1 60km 1 25 44 Denver CO -105.0 39.8 55km 1 25 29 Des Moines IA -93.6 41.6 427km 1 37 50 Duluth MN -92.1 46.8 17km 1 38 57 Flagstaff AZ -111.7 35.2 84km 1 13 51 GrndJunction CO -108.6 39.1 74km 1 19 44 midwest 100mm 0m -93.7 44.5 142km 1 37 45 midwest grazes -94.1 44.5 121km 1 37 26 MidWest+2 -94.0 44.0 175km 1 37 33 MidWest+6 -95.0 45.0 37km 1 36 44 MidWest100mm -94.0 44.0 175km 1 37 33 Pine City MN -93.0 45.8 40km 1 38 20 San Diego CA -117.2 32.7 46km 1 0 59 StCloud MN -94.2 45.6 17km 1 37 24 Superior WI -92.1 46.7 11km 1 38 57 Thunder Bay ON -89.2 48.4 65km 1 40 48