Grazing Occultation of 1600wA5 Magnitude 5.0 [Red = 4.9] R1600 = 59 Leonis Date: 2026 Mar 03 13h 41m, to 2026 Mar 03 15h 22m 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 120 0 0 -14 28 33.2 13 41 27 46 65 0.95 219.0 197.89 18.04S 120 15 0 -14 38 45.9 13 42 15 47 64 0.94 219.1 198.00 18.15S 120 30 0 -14 49 7.3 13 43 3 47 64 0.93 219.3 198.12 18.26S 120 45 0 -14 59 37.4 13 43 52 47 63 0.92 219.4 198.24 18.37S 121 0 0 -15 10 16.3 13 44 41 48 63 0.91 219.5 198.35 18.48S 121 15 0 -15 21 3.9 13 45 31 48 62 0.90 219.6 198.46 18.59S 121 30 0 -15 32 0.4 13 46 21 48 62 0.89 219.7 198.58 18.70S 121 45 0 -15 43 5.6 13 47 11 49 61 0.88 219.8 198.69 18.80S 122 0 0 -15 54 19.6 13 48 2 49 61 0.87 219.9 198.80 18.91S 122 15 0 -16 5 42.5 13 48 53 49 60 0.86 220.0 198.91 19.01S 122 30 0 -16 17 14.1 13 49 44 50 60 0.85 220.2 199.02 19.12S 122 45 0 -16 28 54.5 13 50 36 50 59 0.84 220.3 199.13 19.22S 123 0 0 -16 40 43.6 13 51 29 50 58 0.84 220.4 199.23 19.32S 123 15 0 -16 52 41.5 13 52 21 50 58 0.83 220.5 199.34 19.42S 123 30 0 -17 4 48.0 13 53 14 51 57 0.82 220.6 199.44 19.52S 123 45 0 -17 17 3.2 13 54 7 51 56 0.81 220.7 199.55 19.62S 124 0 0 -17 29 27.0 13 55 1 51 56 0.81 220.8 199.65 19.71S 124 15 0 -17 41 59.3 13 55 55 51 55 0.80 220.9 199.75 19.81S 124 30 0 -17 54 40.2 13 56 49 52 54 0.79 221.0 199.85 19.90S 124 45 0 -18 7 29.4 13 57 43 52 54 0.78 221.1 199.94 20.00S 125 0 0 -18 20 26.9 13 58 38 52 53 0.78 221.2 200.04 20.09S 125 15 0 -18 33 32.7 13 59 33 52 52 0.77 221.3 200.13 20.17S 125 30 0 -18 46 46.7 14 0 28 53 52 0.76 221.4 200.22 20.25S 125 45 0 -19 0 8.7 14 1 24 53 51 0.76 221.4 200.31 20.34S 126 0 0 -19 13 38.6 14 2 20 53 50 0.75 221.5 200.40 20.42S 126 15 0 -19 27 16.4 14 3 15 53 49 0.75 221.6 200.49 20.50S 126 30 0 -19 41 1.8 14 4 12 53 48 0.74 221.7 200.57 20.58S 126 45 0 -19 54 54.8 14 5 8 54 48 0.74 221.8 200.65 20.66S 127 0 0 -20 8 55.2 14 6 4 54 47 0.73 221.9 200.73 20.74S 127 15 0 -20 23 2.8 14 7 1 54 46 0.73 221.9 200.81 20.81S 127 30 0 -20 37 17.5 14 7 58 54 45 0.72 222.0 200.89 20.88S 127 45 0 -20 51 39.2 14 8 55 54 44 0.72 222.1 200.96 20.95S 128 0 0 -21 6 7.6 14 9 51 54 43 0.72 222.2 201.03 21.02S 128 15 0 -21 20 42.5 14 10 49 55 43 0.71 222.2 201.10 21.09S 128 30 0 -21 35 23.8 14 11 46 55 42 0.71 222.3 201.17 21.15S 128 45 0 -21 50 11.3 14 12 43 55 41 0.71 222.4 201.23 21.21S 129 0 0 -22 5 4.7 14 13 40 55 40 0.70 222.4 201.29 21.27S 129 15 0 -22 20 3.8 14 14 37 55 39 0.70 222.5 201.35 21.32S 129 30 0 -22 35 8.5 14 15 34 55 38 0.70 222.5 201.41 21.38S 129 45 0 -22 50 18.4 14 16 31 55 37 0.70 222.6 201.46 21.43S 130 0 0 -23 5 33.4 14 17 28 55 36 0.69 222.7 201.52 21.48S 130 15 0 -23 20 53.2 14 18 25 55 35 0.69 222.7 201.56 21.52S 130 30 0 -23 36 17.5 14 19 22 55 34 0.69 222.7 201.61 21.57S 130 45 0 -23 51 46.2 14 20 19 55 33 0.69 222.8 201.65 21.61S 131 0 0 -24 7 18.9 14 21 16 55 32 0.69 222.8 201.70 21.65S 131 15 0 -24 22 55.3 14 22 12 55 32 0.69 222.9 201.73 21.68S 131 30 0 -24 38 35.2 14 23 9 55 31 0.69 222.9 201.77 21.72S 131 45 0 -24 54 18.5 14 24 5 55 30 0.69 222.9 201.80 21.75S 132 0 0 -25 10 4.7 14 25 1 55 29 0.69 223.0 201.83 21.78S 132 15 0 -25 25 53.7 14 25 57 55 28 0.69 223.0 201.86 21.81S 132 30 0 -25 41 45.1 14 26 53 55 27 0.69 223.0 201.89 21.83S 132 45 0 -25 57 38.6 14 27 48 55 26 0.69 223.0 201.91 21.85S 133 0 0 -26 13 34.1 14 28 43 55 25 0.69 223.1 201.93 21.87S 133 15 0 -26 29 31.3 14 29 38 55 24 0.70 223.1 201.94 21.89S 133 30 0 -26 45 29.8 14 30 32 55 23 0.70 223.1 201.96 21.90S 133 45 0 -27 1 29.4 14 31 27 55 22 0.70 223.1 201.97 21.91S 134 0 0 -27 17 29.8 14 32 21 55 21 0.70 223.1 201.98 21.92S 134 15 0 -27 33 30.9 14 33 14 55 20 0.71 223.1 201.99 21.93S 134 30 0 -27 49 32.2 14 34 7 55 19 0.71 223.1 201.99 21.93S 134 45 0 -28 5 33.6 14 35 0 55 18 0.71 223.1 201.99 21.94S 135 0 0 -28 21 34.8 14 35 53 54 18 0.71 223.1 201.99 21.94S 135 15 0 -28 37 35.5 14 36 45 54 17 0.72 223.1 201.99 21.93S 135 30 0 -28 53 35.6 14 37 37 54 16 0.72 223.1 201.98 21.93S 135 45 0 -29 9 34.7 14 38 28 54 15 0.73 223.1 201.98 21.92S 136 0 0 -29 25 32.6 14 39 19 54 14 0.73 223.1 201.97 21.92S 136 15 0 -29 41 29.1 14 40 10 54 13 0.73 223.1 201.95 21.90S 136 30 0 -29 57 24.0 14 41 0 54 12 0.74 223.1 201.94 21.89S 136 45 0 -30 13 17.1 14 41 49 53 12 0.74 223.1 201.92 21.88S 137 0 0 -30 29 8.1 14 42 39 53 11 0.75 223.0 201.91 21.86S 137 15 0 -30 44 56.8 14 43 27 53 10 0.75 223.0 201.88 21.84S 137 30 0 -31 0 43.0 14 44 16 53 9 0.76 223.0 201.86 21.82S 137 45 0 -31 16 26.6 14 45 4 53 8 0.76 223.0 201.84 21.80S 138 0 0 -31 32 7.3 14 45 51 52 8 0.77 222.9 201.81 21.77S 138 15 0 -31 47 45.0 14 46 38 52 7 0.78 222.9 201.78 21.75S 138 30 0 -32 3 19.5 14 47 24 52 6 0.78 222.9 201.75 21.72S 138 45 0 -32 18 50.7 14 48 10 52 5 0.79 222.9 201.72 21.69S 139 0 0 -32 34 18.3 14 48 56 52 5 0.79 222.8 201.69 21.66S 139 15 0 -32 49 42.2 14 49 41 51 4 0.80 222.8 201.65 21.63S 139 30 0 -33 5 2.4 14 50 25 51 3 0.81 222.8 201.62 21.60S 139 45 0 -33 20 18.5 14 51 9 51 3 0.81 222.7 201.58 21.56S 140 0 0 -33 35 30.6 14 51 53 51 2 0.82 222.7 201.54 21.52S 140 15 0 -33 50 38.5 14 52 36 50 1 0.83 222.6 201.50 21.49S 140 30 0 -34 5 42.0 14 53 18 50 0 0.84 222.6 201.45 21.45S 140 45 0 -34 20 41.1 14 54 0 50 360 0.84 222.5 201.41 21.41S 141 0 0 -34 35 35.6 14 54 42 50 359 0.85 222.5 201.36 21.36S 141 15 0 -34 50 25.5 14 55 23 49 359 0.86 222.5 201.32 21.32S 141 30 0 -35 5 10.6 14 56 3 49 358 0.87 222.4 201.27 21.28S 141 45 0 -35 19 50.8 14 56 43 49 357 0.87 222.4 201.22 21.23S 142 0 0 -35 34 26.2 14 57 23 49 357 0.88 222.3 201.17 21.19S 142 15 0 -35 48 56.5 14 58 2 48 356 0.89 222.3 201.12 21.14S 142 30 0 -36 3 21.8 14 58 40 48 355 0.90 222.2 201.07 21.09S 142 45 0 -36 17 41.9 14 59 19 48 355 0.91 222.2 201.02 21.03S 143 0 0 -36 31 56.9 14 59 56 48 354 0.92 222.1 200.96 20.98S 143 15 0 -36 46 6.6 15 0 33 47 354 0.92 222.0 200.91 20.93S 143 30 0 -37 0 11.0 15 1 10 47 353 0.93 222.0 200.85 20.88S 143 45 0 -37 14 10.1 15 1 46 47 353 0.94 221.9 200.80 20.83S 144 0 0 -37 28 3.8 15 2 22 46 352 0.95 221.9 200.74 20.78S 144 15 0 -37 41 52.1 15 2 57 46 352 0.96 221.8 200.68 20.72S 144 30 0 -37 55 34.9 15 3 32 46 351 0.97 221.8 200.62 20.67S 144 45 0 -38 9 12.3 15 4 6 46 351 0.98 221.7 200.56 20.61S 145 0 0 -38 22 44.1 15 4 40 45 350 0.99 221.6 200.51 20.56S 145 15 0 -38 36 10.4 15 5 13 45 349 1.00 221.6 200.45 20.50S 145 30 0 -38 49 31.2 15 5 46 45 349 1.01 221.5 200.38 20.44S 145 45 0 -39 2 46.4 15 6 19 45 349 1.02 221.5 200.32 20.39S 146 0 0 -39 15 56.1 15 6 51 44 348 1.03 221.4 200.26 20.33S 146 15 0 -39 29 0.1 15 7 22 44 348 1.04 221.3 200.20 20.27S 146 30 0 -39 41 58.6 15 7 53 44 347 1.05 221.3 200.14 20.21S 146 45 0 -39 54 51.5 15 8 24 43 347 1.06 221.2 200.07 20.16S 147 0 0 -40 7 38.8 15 8 54 43 346 1.07 221.1 200.01 20.10S 147 15 0 -40 20 20.5 15 9 24 43 346 1.08 221.1 199.95 20.04S 147 30 0 -40 32 56.6 15 9 54 43 345 1.09 221.0 199.88 19.98S 147 45 0 -40 45 27.2 15 10 23 42 345 1.10 221.0 199.82 19.92S 148 0 0 -40 57 52.2 15 10 52 42 344 1.11 220.9 199.75 19.86S 148 15 0 -41 10 11.7 15 11 20 42 344 1.12 220.8 199.69 19.80S 148 30 0 -41 22 25.6 15 11 48 42 344 1.13 220.8 199.63 19.74S 148 45 0 -41 34 34.0 15 12 15 41 343 1.14 220.7 199.56 19.68S 149 0 0 -41 46 36.9 15 12 42 41 343 1.15 220.6 199.50 19.61S 149 15 0 -41 58 34.3 15 13 9 41 342 1.16 220.6 199.43 19.55S 149 30 0 -42 10 26.2 15 13 35 40 342 1.17 220.5 199.36 19.49S 149 45 0 -42 22 12.7 15 14 1 40 341 1.18 220.4 199.30 19.43S 150 0 0 -42 33 53.8 15 14 27 40 341 1.20 220.4 199.23 19.37S 150 15 0 -42 45 29.5 15 14 52 40 341 1.21 220.3 199.17 19.31S 150 30 0 -42 56 59.7 15 15 17 39 340 1.22 220.2 199.10 19.25S 150 45 0 -43 8 24.6 15 15 42 39 340 1.23 220.2 199.04 19.19S 151 0 0 -43 19 44.2 15 16 6 39 339 1.24 220.1 198.97 19.12S 151 15 0 -43 30 58.5 15 16 30 39 339 1.25 220.0 198.90 19.06S 151 30 0 -43 42 7.6 15 16 53 38 339 1.27 220.0 198.84 19.00S 151 45 0 -43 53 11.4 15 17 16 38 338 1.28 219.9 198.77 18.94S 152 0 0 -44 4 10.0 15 17 39 38 338 1.29 219.8 198.71 18.88S 152 15 0 -44 15 3.4 15 18 2 38 338 1.30 219.8 198.64 18.82S 152 30 0 -44 25 51.6 15 18 24 37 337 1.32 219.7 198.58 18.75S 152 45 0 -44 36 34.8 15 18 46 37 337 1.33 219.6 198.51 18.69S 153 0 0 -44 47 12.9 15 19 7 37 337 1.34 219.6 198.45 18.63S 153 15 0 -44 57 45.9 15 19 29 36 336 1.35 219.5 198.38 18.57S 153 30 0 -45 8 13.9 15 19 50 36 336 1.37 219.4 198.31 18.51S 153 45 0 -45 18 36.9 15 20 10 36 336 1.38 219.4 198.25 18.45S 154 0 0 -45 28 54.9 15 20 31 36 335 1.39 219.3 198.18 18.39S 154 15 0 -45 39 8.1 15 20 51 35 335 1.40 219.3 198.12 18.33S 154 30 0 -45 49 16.3 15 21 11 35 335 1.42 219.2 198.05 18.26S 154 45 0 -45 59 19.8 15 21 30 35 334 1.43 219.1 197.99 18.20S 155 0 0 -46 9 18.4 15 21 49 35 334 1.44 219.1 197.93 18.14S 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. 1600 is double: AB 5.0 12.6 40" 217.4 (BU 598) Graze path of B approximately 92.1 km north, and 10.5 secs later compared to A - refer to graze profile for exact distances Librations Long +4.65 Lat +0.11 P +201.82 D -1.37 Illumination of moon 100%- Elongation of Moon 179 Vertical Profile Scale approx. 2.28 km/arcsec at mean distance of moon Horizontal Scale Factor 1.39 deg/min At longitude 137.50: Limiting Magnitudes for various telescope apertures (in cm) CA\Tdia 5 10 15 20 25 30 35 17.8 1.9 3.3 4.1 4.6 4.9 5.1 5.3 19.8 1.9 3.3 4.1 4.6 4.9 5.1 5.3 21.8 1.9 3.3 4.1 4.6 4.9 5.1 5.3 23.8 1.9 3.3 4.1 4.6 4.9 5.1 5.3 25.8 1.9 3.3 4.1 4.6 4.9 5.1 5.3 ------------------------------------------------------------------------------ Double star catalogue details WDS entries RA Dec Name Y1 Y2 N PA PA Sep Sep M1 M2 11007+0606BU 598 1878 2018 10 221 219 46.8 40.3 4.99 12.6 A5III -053-023 +06 2384 N 110044.83+060605.4 ------------------------------------------------ Interferometric catalogue entries 110044.83+060605.4 59 Leo BU 598A HD 95382 HIP 53824 11007+0606 N Date PA Sep M1 M2 1987.2720 . . < 0.030 . . . . . 549 22 3.8 1 McA1989 Sc 1991.25 . . < 0.1 . 5.04 . . . 511 222 0.3 1 HIP1997e Hh ------------------------------------------------------------------------------ Results of Observer Scan UT Site Long. Lat. Dist. h m s