Grazing Occultation of 118571pK0 Magnitude 7.4 [Red = 7.0] s Date: 2026 Mar 03 11h 32m, to 2026 Mar 03 12h 43m Nominal site altitude 500m E. Longit. Latitude U.T. Sun Moon TanZ PA AA CA %sunlit o ' " o ' " h m s Alt Alt Az o o o -118 0 0 53 39 27.2 12 15 5 20 251 2.69 32.6 11.67 56.17U -117 45 0 53 19 26.9 12 15 49 20 252 2.71 32.6 11.65 57.02U -117 30 0 53 0 1.0 12 16 31 20 252 2.74 32.6 11.64 57.84U 10E -117 15 0 52 41 10.3 12 17 13 20 253 2.76 32.6 11.62 58.65U -117 0 0 52 22 47.8 12 17 54 20 253 2.78 32.5 11.60 59.44U -116 45 0 52 4 54.8 12 18 34 20 254 2.81 32.5 11.58 60.21U -116 30 0 51 47 30.1 12 19 13 19 254 2.83 32.5 11.55 60.96U -116 15 0 51 30 32.3 12 19 51 19 254 2.86 32.5 11.53 61.70U 15E -116 0 0 51 14 0.2 12 20 28 19 255 2.89 32.5 11.50 62.41U -115 45 0 50 57 53.0 12 21 4 19 255 2.91 32.4 11.47 63.12U w. of Calgary -115 30 0 50 42 9.5 12 21 40 19 256 2.94 32.4 11.45 63.80U -115 15 0 50 26 48.8 12 22 15 19 256 2.97 32.4 11.42 64.47U -115 0 0 50 11 50.0 12 22 49 18 256 3.01 32.3 11.39 65.12U -114 45 0 49 57 12.7 12 23 22 18 257 3.04 32.3 11.35 65.76U -114 30 0 49 42 55.8 12 23 55 18 257 3.07 32.3 11.32 66.39U -114 15 0 49 28 58.7 12 24 27 18 258 3.11 32.2 11.29 67.00U 21E -114 0 0 49 15 20.8 12 24 58 18 258 3.15 32.2 11.25 67.59U -113 45 0 49 2 1.4 12 25 29 17 258 3.18 32.2 11.22 68.17U -113 30 0 48 49 0.1 12 25 59 17 259 3.22 32.1 11.18 68.74U -113 15 0 48 36 16.2 12 26 28 17 259 3.26 32.1 11.15 69.30U -113 0 0 48 23 49.3 12 26 57 17 259 3.31 32.1 11.11 69.84U -112 45 0 48 11 38.9 12 27 25 17 260 3.35 32.0 11.07 70.38U -112 30 0 47 59 44.5 12 27 53 16 260 3.39 32.0 11.03 70.90U -112 15 0 47 48 5.7 12 28 20 16 260 3.44 31.9 10.99 71.40U 27E -112 0 0 47 36 42.1 12 28 46 16 261 3.49 31.9 10.95 71.90U -111 45 0 47 25 33.2 12 29 12 16 261 3.54 31.9 10.91 72.38U 29E -111 30 0 47 14 38.7 12 29 37 16 261 3.59 31.8 10.87 72.86U -111 15 0 47 3 58.2 12 30 2 15 262 3.64 31.8 10.83 73.32U -111 0 0 46 53 31.3 12 30 26 15 262 3.69 31.7 10.79 73.77U -110 45 0 46 43 13.9 12 30 50 15 262 3.75 31.7 10.75 74.22U -110 30 0 46 33 13.4 12 31 14 15 263 3.80 31.7 10.71 74.65U 32E -110 15 0 46 23 25.6 12 31 36 15 263 3.86 31.6 10.66 75.07U 33E -110 0 0 46 13 50.3 12 31 59 14 263 3.92 31.6 10.62 75.48U -109 45 0 46 4 27.1 12 32 20 14 264 3.99 31.5 10.58 75.88U -109 30 0 45 55 15.8 12 32 42 14 264 4.05 31.5 10.53 76.27U 35E -109 15 0 45 46 16.1 12 33 3 14 264 4.12 31.4 10.49 76.65U -109 0 0 45 37 27.8 12 33 23 13 264 4.19 31.4 10.45 77.03U -108 45 0 45 28 50.6 12 33 43 13 265 4.26 31.4 10.40 77.39U -108 30 0 45 20 24.3 12 34 2 13 265 4.34 31.3 10.36 77.75U 37E -108 15 0 45 12 8.7 12 34 21 13 265 4.41 31.3 10.31 78.09U -108 0 0 45 4 3.5 12 34 40 13 266 4.49 31.2 10.27 78.43U s. Montana -107 45 0 44 56 8.5 12 34 58 12 266 4.58 31.2 10.22 78.76U -107 30 0 44 48 23.6 12 35 16 12 266 4.66 31.1 10.18 79.08U -107 15 0 44 40 48.5 12 35 33 12 266 4.75 31.1 10.13 79.39U 39E -107 0 0 44 33 23.0 12 35 50 12 267 4.84 31.0 10.09 79.69U -106 45 0 44 26 7.0 12 36 7 11 267 4.94 31.0 10.04 79.99U -106 30 0 44 19 0.4 12 36 23 11 267 5.04 30.9 10.00 80.27U -106 15 0 44 12 2.9 12 36 39 -12 11 267 5.14 30.9 9.95 80.55U -106 0 0 44 5 14.3 12 36 54 -12 11 268 5.25 30.9 9.91 80.82U -105 45 0 43 58 34.5 12 37 9 -11 11 268 5.36 30.8 9.86 81.09U -105 30 0 43 52 3.2 12 37 24 -11 10 268 5.48 30.8 9.81 81.35U -105 15 0 43 45 40.5 12 37 38 -11 10 268 5.60 30.7 9.77 81.60U -105 0 0 43 39 26.1 12 37 52 -11 10 268 5.73 30.7 9.72 81.84U -104 45 0 43 33 19.8 12 38 6 -11 10 269 5.86 30.6 9.68 82.07U -104 30 0 43 27 21.6 12 38 19 -10 9 269 6.00 30.6 9.63 82.30U -104 15 0 43 21 31.3 12 38 32 -10 9 269 6.15 30.5 9.59 82.52U -104 0 0 43 15 48.8 12 38 44 -10 9 269 6.30 30.5 9.54 82.74U -103 45 0 43 10 14.0 12 38 57 -10 9 270 6.46 30.4 9.50 82.95U 45E -103 30 0 43 4 46.6 12 39 9 -9 9 270 6.62 30.4 9.45 83.15U -103 15 0 42 59 26.7 12 39 20 -9 8 270 6.80 30.4 9.40 83.34U -103 0 0 42 54 14.1 12 39 31 -9 8 270 6.98 30.3 9.36 83.53U 46E -102 45 0 42 49 9.0 12 39 42 -9 8 270 7.18 30.3 9.31 83.71U -102 30 0 42 44 10.5 12 39 53 -9 8 271 7.38 30.2 9.27 83.89U -102 15 0 42 39 19.0 12 40 3 -8 7 271 7.60 30.2 9.22 84.06U -102 0 0 42 34 34.2 12 40 13 -8 7 271 7.83 30.1 9.18 84.22U -101 45 0 42 29 56.2 12 40 23 -8 7 271 8.07 30.1 9.13 84.38U -101 30 0 42 25 23.2 12 40 32 -8 7 271 8.32 30.0 9.09 84.53U -101 15 0 42 20 58.6 12 40 41 -7 7 272 8.60 30.0 9.04 84.68U -101 0 0 42 16 40.2 12 40 50 -7 6 272 8.89 30.0 9.00 84.82U -100 45 0 42 12 28.0 12 40 59 -7 6 272 9.20 29.9 8.95 84.95U -100 30 0 42 8 22.1 12 41 7 -7 6 272 9.53 29.9 8.91 85.08U -100 15 0 42 4 22.2 12 41 15 -7 6 272 9.88 29.8 8.87 85.20U -100 0 0 42 0 28.4 12 41 23 -6 6 273 10.26 29.8 8.82 85.32U - 99 45 0 41 56 40.6 12 41 30 -6 5 273 10.67 29.7 8.78 85.43U - 99 30 0 41 52 58.9 12 41 37 -6 5 273 11.11 29.7 8.73 85.54U - 99 15 0 41 49 22.7 12 41 44 -6 5 273 11.59 29.6 8.69 85.64U - 99 0 0 41 45 52.2 12 41 51 -6 5 273 12.11 29.6 8.64 85.74U - 98 45 0 41 42 27.2 12 41 57 -5 5 274 12.67 29.6 8.60 85.83U - 98 30 0 41 39 7.8 12 42 3 -5 4 274 13.29 29.5 8.56 85.92U - 98 15 0 41 35 53.7 12 42 9 -5 4 274 13.97 29.5 8.51 86.00U - 98 0 0 41 32 45.0 12 42 15 -5 4 274 14.72 29.4 8.47 86.08U - 97 45 0 41 29 41.6 12 42 20 -5 4 274 15.56 29.4 8.43 86.15U - 97 30 0 41 26 43.3 12 42 25 -4 3 275 16.49 29.3 8.38 86.22U - 97 15 0 41 23 50.0 12 42 30 -4 3 275 17.53 29.3 8.34 86.28U - 97 0 0 41 21 1.8 12 42 35 -4 3 275 18.71 29.2 8.30 86.34U 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. 118571 is variable: 118571 = NSV 5015, 8.9 to 9.27, pg, Type E: 118571 is double: This next pair is not confirmed ** 8.0 8.8 0.034" 104.5 (OCc 585) Graze path of ? approximately 0.1 km south, and 0.1 secs later compared to the primary - refer to graze profile for exact distances Librations Long +4.57 Lat +1.38 P +11.72 D -0.17 Illumination of moon 9%E Elongation of Moon 179 Vertical Profile Scale approx. 5.07 km/arcsec at mean distance of moon Horizontal Scale Factor 1.85 deg/min At longitude -118.00: Limiting Magnitudes for various telescope apertures (in cm) CA\Tdia 5 10 15 20 25 30 35 52.2 10.6 11.3 11.9 12.5 13.1 13.8 14.4 54.2 10.6 11.3 11.9 12.5 13.1 13.8 14.4 56.2 10.6 11.3 11.9 12.5 13.1 13.8 14.4 58.2 10.6 11.3 11.9 12.5 13.1 13.8 14.4 60.2 10.6 11.3 11.9 12.5 13.1 13.8 14.4 ------------------------------------------------------------------------------ Double star catalogue details Star is a Kepler2 target star. EPIC_ID = 201826322 ------------------------------------------------ WDS entries RA Dec Name Y1 Y2 N PA PA Sep Sep M1 M2 10548+0551OCC 585 1977 1979 0 -1 -1 0.1 0.0 8.0 8.8 K0 -017+007 +06 2368 105445.58+055052.3 ------------------------------------------------ Interferometric catalogue entries 105445.58+055052.3 BD+06 2368 OCC 585 HD 94515 HIP 53362 10548+0551 Date PA Sep M1 M2 1977.3257 V110. . 0.1182 0.0008 . . 1.6 0.2 430 192 . 1 Afr1978 O 1979.2699 V104.5 . 0.034 0.001 . . 0.8 0.2 430 192 . 1 Evn1980 O 1979.2699 . . . . . . 2.2 0.6 750 177 . 1 Evn1980 O 1980.157 . . < 0.030 . . . . . 470 3.8 1 Hrt1984 Sc 1980.485 . . < 0.025 . . . . . 552 20 3.8 1 Hrt1984 Sc 1983.0512 . . < 0.030 . . . . . 550 89 3.8 1 Msn1996b Sc 1983.4200 . . < 0.030 . . . . . 549 22 3.8 1 Msn1996b Sc 1984.3783 . . < 0.030 . . . . . 549 22 3.8 1 Msn1996b Sc 1984.3809 . . < 0.030 . . . . . 549 22 3.8 1 Msn1996b Sc 1984.3865 . . < 0.030 . . . . . 549 22 3.8 1 Msn1996b Sc 1987.2671 . . < 0.030 . . . . . 538 76 3.8 1 Msn1996b Sc 1991.25 . . S . . 7.38 . . . 511 0.3 1 HIP1997h Hh ------------------------------------------------ AAVSO Variable star entry Variable identifier Type Max Min Ph Epoch Period NSV 5015 E: 8.9 9.27 pg ------------------------------------------------------------------------------ Results of Observer Scan UT Site Long. Lat. Dist. h m s Billings MT -108.5 45.8 37km 12 34 0.3 Calgary AB -114.1 51.0 112km 12 24 48.7 Columbia Falls MT -114.2 48.4 73km 12 24 28.2 Des Moines IA -93.6 41.6 81km 12 43 16.1 Great Falls MT -111.3 47.5 29km 12 29 54.5 Hamburg IA -95.7 40.6 58km 12 42 54.9 Helena MT -112.0 46.6 82km 12 28 39.8 Lethbridge AB -112.8 49.7 100km 12 27 13.6 Lincoln NE -96.7 40.8 53km 12 42 38.7 Omaha NE -95.9 41.3 9km 12 42 50.9 RapidCity SD -103.2 44.1 109km 12 39 19.8 Sheridan WY -107.0 44.8 23km 12 35 51.6