Grazing Occultation of 157905DF7 Magnitude 7.9 [Red = 0.0] Date: 2010 Dec 29 10h 48m, to 2010 Dec 29 11h 38m 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 -117 0 0 49 2 4 10 48 12 8 124 7.03 207.2 184.68 7.01S -116 30 0 48 50 44 10 48 22 9 124 6.69 207.3 184.77 7.09S -116 0 0 48 39 15 10 48 33 9 125 6.38 207.4 184.85 7.17S -115 30 0 48 27 39 10 48 44 9 125 6.10 207.4 184.92 7.25S -115 0 0 48 15 54 10 48 55 10 126 5.84 207.5 185.01 7.33S -114 30 0 48 4 0 10 49 7 10 126 5.59 207.6 185.09 7.41S -114 0 0 47 51 57 10 49 19 11 126 5.37 207.7 185.17 7.49S -113 30 0 47 39 46 10 49 32 11 127 5.16 207.8 185.25 7.57S -113 0 0 47 27 26 10 49 45 11 127 4.96 207.8 185.33 7.66S -112 30 0 47 14 57 10 49 59 12 128 4.78 207.9 185.42 7.74S -112 0 0 47 2 19 10 50 13 12 128 4.60 208.0 185.50 7.82S -111 30 0 46 49 32 10 50 28 13 129 4.44 208.1 185.58 7.91S -111 0 0 46 36 36 10 50 44 13 129 4.29 208.2 185.67 7.99S -110 30 0 46 23 30 10 51 0 14 129 4.14 208.3 185.75 8.08S -110 0 0 46 10 15 10 51 17 14 130 4.01 208.3 185.84 8.16S -109 30 0 45 56 51 10 51 34 14 130 3.88 208.4 185.93 8.25S -109 0 0 45 43 17 10 51 52 15 131 3.75 208.5 186.01 8.34S -108 30 0 45 29 33 10 52 10 15 131 3.64 208.6 186.10 8.42S -108 0 0 45 15 40 10 52 29 16 132 3.53 208.7 186.19 8.51S -107 30 0 45 1 36 10 52 49 16 132 3.42 208.8 186.28 8.60S -107 0 0 44 47 23 10 53 9 17 133 3.32 208.9 186.36 8.69S -106 30 0 44 33 0 10 53 30 17 133 3.22 209.0 186.45 8.78S -106 0 0 44 18 26 10 53 52 18 133 3.13 209.0 186.54 8.87S -105 30 0 44 3 42 10 54 15 18 134 3.04 209.1 186.63 8.96S -105 0 0 43 48 48 10 54 38 19 134 2.96 209.2 186.72 9.05S -104 30 0 43 33 43 10 55 2 19 135 2.88 209.3 186.81 9.14S -104 0 0 43 18 28 10 55 26 20 135 2.80 209.4 186.90 9.23S -103 30 0 43 3 3 10 55 52 20 136 2.73 209.5 186.99 9.32S -103 0 0 42 47 26 10 56 18 21 136 2.66 209.6 187.09 9.41S -102 30 0 42 31 39 10 56 45 21 137 2.59 209.7 187.18 9.50S -102 0 0 42 15 41 10 57 13 22 137 2.52 209.8 187.27 9.59S -101 30 0 41 59 32 10 57 42 22 138 2.46 209.9 187.36 9.69S -101 0 0 41 43 12 10 58 11 23 138 2.39 210.0 187.45 9.78S -100 30 0 41 26 41 10 58 42 23 139 2.33 210.1 187.55 9.87S -100 0 0 41 9 58 10 59 13 24 139 2.28 210.1 187.64 9.96S - 99 30 0 40 53 5 10 59 45 24 140 2.22 210.2 187.73 10.06S - 99 0 0 40 36 0 11 0 18 25 140 2.17 210.3 187.82 10.15S - 98 30 0 40 18 44 11 0 53 25 141 2.12 210.4 187.91 10.24S - 98 0 0 40 1 16 11 1 28 26 141 2.06 210.5 188.01 10.33S - 97 30 0 39 43 37 11 2 4 26 142 2.02 210.6 188.10 10.42S - 97 0 0 39 25 46 11 2 41 27 142 1.97 210.7 188.19 10.52S - 96 30 0 39 7 44 11 3 19 27 143 1.92 210.8 188.28 10.61S - 96 0 0 38 49 30 11 3 58 28 143 1.88 210.9 188.37 10.70S - 95 30 0 38 31 5 11 4 38 29 144 1.83 211.0 188.46 10.79S - 95 0 0 38 12 28 11 5 19 29 144 1.79 211.1 188.55 10.88S - 94 30 0 37 53 39 11 6 2 30 145 1.75 211.1 188.64 10.97S - 94 0 0 37 34 39 11 6 45 30 145 1.71 211.2 188.73 11.05S - 93 30 0 37 15 27 11 7 30 31 146 1.67 211.3 188.82 11.14S - 93 0 0 36 56 4 11 8 15 31 147 1.64 211.4 188.90 11.23S - 92 30 0 36 36 29 11 9 2 32 147 1.60 211.5 188.99 11.31S - 92 0 0 36 16 42 11 9 50 33 148 1.56 211.6 189.07 11.40S - 91 30 0 35 56 45 11 10 39 33 148 1.53 211.7 189.16 11.48S - 91 0 0 35 36 36 11 11 30 34 149 1.50 211.7 189.24 11.56S - 90 30 0 35 16 16 11 12 22 34 150 1.46 211.8 189.32 11.64S - 90 0 0 34 55 45 11 13 14 35 150 1.43 211.9 189.40 11.72S - 89 30 0 34 35 3 11 14 9 36 151 1.40 212.0 189.47 11.80S - 89 0 0 34 14 10 11 15 4 36 152 1.37 212.1 189.55 11.87S - 88 30 0 33 53 7 11 16 1 37 152 1.34 212.1 189.62 11.95S - 88 0 0 33 31 54 11 16 59 37 153 1.31 212.2 189.69 12.02S - 87 30 0 33 10 30 11 17 58 38 154 1.28 212.3 189.76 12.09S - 87 0 0 32 48 57 11 18 59 39 154 1.26 212.3 189.83 12.15S - 86 30 0 32 27 14 11 20 0 39 155 1.23 212.4 189.89 12.21S - 86 0 0 32 5 22 11 21 4 40 156 1.20 212.5 189.95 12.27S - 85 30 0 31 43 22 11 22 8 40 157 1.18 212.5 190.01 12.33S - 85 0 0 31 21 13 11 23 14 41 158 1.15 212.6 190.06 12.38S - 84 30 0 30 58 56 11 24 21 42 158 1.13 212.6 190.11 12.43S - 84 0 0 30 36 31 11 25 29 42 159 1.11 212.7 190.15 12.48S - 83 30 0 30 13 59 11 26 39 43 160 1.08 212.7 190.20 12.52S - 83 0 0 29 51 21 11 27 50 43 161 1.06 212.7 190.23 12.56S - 82 30 0 29 28 37 11 29 2 -12 44 162 1.04 212.8 190.27 12.59S - 82 0 0 29 5 48 11 30 16 -11 44 163 1.02 212.8 190.30 12.62S - 81 30 0 28 42 54 11 31 31 -10 45 164 1.00 212.8 190.32 12.65S - 81 0 0 28 19 55 11 32 47 -9 46 165 0.98 212.8 190.34 12.67S - 80 30 0 27 56 54 11 34 4 -9 46 166 0.96 212.9 190.35 12.68S - 80 0 0 27 33 49 11 35 22 -8 47 167 0.94 212.9 190.36 12.69S - 79 30 0 27 10 43 11 36 41 -7 47 168 0.93 212.9 190.37 12.69S - 79 0 0 26 47 36 11 38 2 -6 48 169 0.91 212.9 190.36 12.69S Path coordinates are referred to WGS84 (as used by GPS), with the nominal site altitude being referenced to Mean Sea Level. 157905 is double: Graze prediction is based on the mean position of AB 8.64 8.73 3.49" 278.9 (STF1738) Graze path of A 1.45 km south, and 3.5 secs later compared to prediction Graze path of B 1.57 km north, and 3.8 secs earlier compared to prediction AB 8.64 8.73 3.49" 278.9 (STF1738) Graze path of B 3.02 km north, and 7.2 secs earlier compared to A Librations Long +4.06 Lat +6.88 P +188.55 D +6.51 Illumination of moon 35%- Elongation of Moon 73 Vertical Profile Scale 2.28 km/arcsec at mean distance of moon Horizontal Scale Factor 1.60 deg/min At longitude -98.00: Limiting Magnitudes for various telescope apertures (in cm) CA\Tdia 5 10 15 20 25 30 35 6.3 5.7 7.1 7.9 8.4 8.7 9.0 9.1 8.3 5.7 7.1 7.9 8.4 8.7 9.0 9.2 10.3 5.7 7.1 7.9 8.4 8.8 9.0 9.2 12.3 5.7 7.1 7.9 8.4 8.8 9.0 9.2 14.3 5.7 7.2 7.9 8.5 8.8 9.1 9.2 ------------------------------------------------------------------------------ Double star catalogue details WDS entries RA Dec Name Y1 Y2 N PA PA Sep Sep M1 M2 13233-1456STF1738 1830 2008 42 284 279 4.1 3.5 8.64 8.73 F7V +087-097 +103-103 -14 3709 D 132315.54-145537.2 ------------------------------------------------ Interferometric catalogue entries 132315.54-145537.2 ADS 8881 STF1738 HD 116331 HIP 65319 13233-1456 Date PA Sep M1 M2 1991.25 . . . . 8.644 0.005 8.777 0.006 511 222 0.3 1 HIP1997f Thp 1991.25 279.0 . 3.824 . 7.85 . 7.98 . 550 0.3 1 HIP1997a Thp 1991.59 279.2 . 3.885 . 8.64 . 8.73 . 530 100 1.4 1 TYC2000b Tty 1998.377 279.0 . 3.73 F . . . . . 545 85 0.7 2 WSI2000a Sus ------------------------------------------------------------------------------ Results of Observer Scan UT Site Long. Lat. Dist. h m s Birmingham AL -86.8 33.5 70km 11 19 22 DaytonaBeach FL -81.0 29.2 72km 11 32 44 Des Moines IA -93.6 41.6 357km 11 7 19 Gainesville FL -82.3 29.6 25km 11 29 29 Joplin MO -94.5 37.1 70km 11 6 2 Kansas City MO -94.3 39.0 105km 11 6 15 Kansas City XZ63362 -94.0 40.6 254km 11 6 45 Macon GA -83.6 32.8 206km 11 26 19 Memphis TN -90.1 35.1 15km 11 13 9 MidWest+2 -94.0 44.0 531km 11 6 45 Montgomery AL -86.3 32.4 5km 11 20 25 Orlando FL -81.4 28.5 6km 11 31 49 Salina KS -97.6 38.8 84km 11 1 56 Springfield MO -93.3 37.2 8km 11 7 49 Tallahassee FL -84.3 30.4 32km 11 24 51 Topeka KS -95.7 39.1 37km 11 4 24 W Palm Beach FL -80.1 26.7 75km 11 35 14