Grazing Occultation of 523pA5 Magnitude 6.4 [Red = 6.3] Date: 2020 Mar 28 18h 52m, to 2020 Mar 28 19h 4m Nominal site altitude 100m E. Longit. Latitude U.T. Sun Moon TanZ PA AA CA o ' " o ' " h m s Alt Alt Az o o o 10 0 0 66 39 40.1 18 51 42 -5 24 253 2.24 163.9 176.03 6.06S 10 15 0 66 38 40.8 18 51 50 -5 24 253 2.25 164.0 176.05 6.04S 10 30 0 66 37 40.3 18 51 58 -6 24 253 2.26 164.0 176.07 6.02S 10 45 0 66 36 38.8 18 52 6 -6 24 254 2.27 164.0 176.09 6.00S 11 0 0 66 35 36.1 18 52 14 -6 24 254 2.29 164.0 176.11 5.98S 11 15 0 66 34 32.4 18 52 21 -6 24 254 2.30 164.0 176.14 5.95S 11 30 0 66 33 27.6 18 52 29 -6 23 255 2.31 164.1 176.16 5.93S 11 45 0 66 32 21.7 18 52 37 -6 23 255 2.32 164.1 176.18 5.91S 12 0 0 66 31 14.7 18 52 45 -6 23 255 2.33 164.1 176.20 5.89S 12 15 0 66 30 6.5 18 52 53 -6 23 255 2.34 164.1 176.22 5.87S 12 30 0 66 28 57.3 18 53 1 -6 23 256 2.36 164.2 176.25 5.85S 12 45 0 66 27 47.0 18 53 8 -7 23 256 2.37 164.2 176.27 5.82S 13 0 0 66 26 35.6 18 53 16 -7 23 256 2.38 164.2 176.29 5.80S 13 15 0 66 25 23.1 18 53 24 -7 23 257 2.39 164.2 176.31 5.78S 13 30 0 66 24 9.5 18 53 31 -7 23 257 2.40 164.2 176.33 5.76S 13 45 0 66 22 54.7 18 53 39 -7 22 257 2.42 164.3 176.35 5.74S 14 0 0 66 21 38.9 18 53 47 -7 22 257 2.43 164.3 176.38 5.72S 14 15 0 66 20 22.0 18 53 54 -7 22 258 2.44 164.3 176.40 5.69S 14 30 0 66 19 3.9 18 54 2 -7 22 258 2.46 164.3 176.42 5.67S 14 45 0 66 17 44.7 18 54 9 -7 22 258 2.47 164.3 176.44 5.65S 15 0 0 66 16 24.4 18 54 17 -8 22 258 2.48 164.4 176.46 5.63S 15 15 0 66 15 3.1 18 54 24 -8 22 259 2.50 164.4 176.48 5.61S 15 30 0 66 13 40.6 18 54 32 -8 22 259 2.51 164.4 176.50 5.59S 15 45 0 66 12 17.0 18 54 39 -8 22 259 2.52 164.4 176.53 5.57S 16 0 0 66 10 52.2 18 54 46 -8 22 260 2.54 164.5 176.55 5.54S 16 15 0 66 9 26.4 18 54 54 -8 21 260 2.55 164.5 176.57 5.52S 16 30 0 66 7 59.4 18 55 1 -8 21 260 2.57 164.5 176.59 5.50S 16 45 0 66 6 31.3 18 55 9 -8 21 260 2.58 164.5 176.61 5.48S 17 0 0 66 5 2.1 18 55 16 -8 21 261 2.59 164.5 176.63 5.46S 17 15 0 66 3 31.8 18 55 23 -9 21 261 2.61 164.6 176.65 5.44S 17 30 0 66 2 0.3 18 55 30 -9 21 261 2.62 164.6 176.67 5.42S 17 45 0 66 0 27.8 18 55 38 -9 21 261 2.64 164.6 176.70 5.40S 18 0 0 65 58 54.1 18 55 45 -9 21 262 2.65 164.6 176.72 5.37S 18 15 0 65 57 19.2 18 55 52 -9 21 262 2.67 164.6 176.74 5.35S 18 30 0 65 55 43.3 18 55 59 -9 20 262 2.69 164.7 176.76 5.33S 18 45 0 65 54 6.2 18 56 6 -9 20 263 2.70 164.7 176.78 5.31S 19 0 0 65 52 28.0 18 56 13 -9 20 263 2.72 164.7 176.80 5.29S 19 15 0 65 50 48.6 18 56 20 -9 20 263 2.73 164.7 176.82 5.27S 19 30 0 65 49 8.1 18 56 27 -10 20 263 2.75 164.7 176.84 5.25S 19 45 0 65 47 26.5 18 56 34 -10 20 264 2.77 164.8 176.86 5.23S 20 0 0 65 45 43.7 18 56 41 -10 20 264 2.78 164.8 176.88 5.21S 20 15 0 65 43 59.9 18 56 48 -10 20 264 2.80 164.8 176.90 5.19S 20 30 0 65 42 14.8 18 56 55 -10 20 264 2.82 164.8 176.93 5.17S 20 45 0 65 40 28.6 18 57 2 -10 19 265 2.84 164.9 176.95 5.14S 21 0 0 65 38 41.3 18 57 9 -10 19 265 2.85 164.9 176.97 5.12S 21 15 0 65 36 52.9 18 57 16 -10 19 265 2.87 164.9 176.99 5.10S 21 30 0 65 35 3.2 18 57 23 -10 19 265 2.89 164.9 177.01 5.08S 21 45 0 65 33 12.5 18 57 29 -11 19 266 2.91 164.9 177.03 5.06S 22 0 0 65 31 20.6 18 57 36 -11 19 266 2.93 165.0 177.05 5.04S 22 15 0 65 29 27.5 18 57 43 -11 19 266 2.95 165.0 177.07 5.02S 22 30 0 65 27 33.3 18 57 50 -11 19 267 2.97 165.0 177.09 5.00S 22 45 0 65 25 37.9 18 57 56 -11 19 267 2.98 165.0 177.11 4.98S 23 0 0 65 23 41.3 18 58 3 -11 18 267 3.00 165.0 177.13 4.96S 23 15 0 65 21 43.6 18 58 10 -11 18 267 3.02 165.1 177.15 4.94S 23 30 0 65 19 44.8 18 58 16 -11 18 268 3.05 165.1 177.17 4.92S 23 45 0 65 17 44.7 18 58 23 -11 18 268 3.07 165.1 177.19 4.90S 24 0 0 65 15 43.5 18 58 29 -12 18 268 3.09 165.1 177.21 4.88S 24 15 0 65 13 41.2 18 58 36 -12 18 268 3.11 165.1 177.23 4.86S 24 30 0 65 11 37.6 18 58 42 -12 18 269 3.13 165.2 177.25 4.84S 24 45 0 65 9 32.9 18 58 49 -12 18 269 3.15 165.2 177.27 4.82S 25 0 0 65 7 27.1 18 58 55 17 269 3.17 165.2 177.29 4.80S 25 15 0 65 5 20.0 18 59 2 17 269 3.20 165.2 177.32 4.78S 25 30 0 65 3 11.8 18 59 8 17 270 3.22 165.2 177.34 4.76S 25 45 0 65 1 2.4 18 59 14 17 270 3.24 165.3 177.36 4.74S 26 0 0 64 58 52.3 18 59 21 17 270 3.27 165.3 177.38 4.71S 26 15 0 64 56 40.6 18 59 27 17 270 3.29 165.3 177.40 4.69S 26 30 0 64 54 27.7 18 59 33 17 271 3.32 165.3 177.42 4.67S 26 45 0 64 52 13.6 18 59 39 17 271 3.34 165.3 177.44 4.65S 27 0 0 64 49 58.3 18 59 46 17 271 3.37 165.4 177.46 4.63S 27 15 0 64 47 41.8 18 59 52 16 272 3.39 165.4 177.48 4.61S 27 30 0 64 45 24.2 18 59 58 16 272 3.42 165.4 177.50 4.59S 27 45 0 64 43 5.3 19 0 4 16 272 3.44 165.4 177.52 4.57S 28 0 0 64 40 45.3 19 0 10 16 272 3.47 165.4 177.54 4.55S 28 15 0 64 38 24.1 19 0 16 16 273 3.50 165.5 177.56 4.53S 28 30 0 64 36 1.7 19 0 22 16 273 3.53 165.5 177.58 4.51S 28 45 0 64 33 38.1 19 0 28 16 273 3.55 165.5 177.60 4.50S 29 0 0 64 31 13.3 19 0 34 16 273 3.58 165.5 177.62 4.48S 29 15 0 64 28 47.3 19 0 40 15 274 3.61 165.5 177.64 4.46S 29 30 0 64 26 20.1 19 0 46 15 274 3.64 165.6 177.65 4.44S 29 45 0 64 23 51.7 19 0 52 15 274 3.67 165.6 177.67 4.42S 30 0 0 64 21 22.1 19 0 57 15 274 3.70 165.6 177.69 4.40S 30 15 0 64 18 51.3 19 1 3 15 275 3.74 165.6 177.71 4.38S 30 30 0 64 16 19.3 19 1 9 15 275 3.77 165.6 177.73 4.36S 30 45 0 64 13 45.0 19 1 15 15 275 3.80 165.7 177.75 4.34S 31 0 0 64 11 10.6 19 1 20 15 275 3.83 165.7 177.77 4.32S 31 15 0 64 8 35.0 19 1 26 14 276 3.87 165.7 177.79 4.30S 31 30 0 64 5 58.2 19 1 32 14 276 3.90 165.7 177.81 4.28S 31 45 0 64 3 20.1 19 1 37 14 276 3.94 165.7 177.83 4.26S 32 0 0 64 0 40.9 19 1 43 14 276 3.97 165.8 177.85 4.24S 32 15 0 63 58 0.4 19 1 48 14 277 4.01 165.8 177.87 4.22S 32 30 0 63 55 18.7 19 1 54 14 277 4.05 165.8 177.89 4.20S 32 45 0 63 52 35.8 19 1 59 14 277 4.09 165.8 177.91 4.18S 33 0 0 63 49 51.7 19 2 5 14 277 4.13 165.8 177.93 4.16S 33 15 0 63 47 6.4 19 2 10 13 278 4.17 165.9 177.95 4.14S 33 30 0 63 44 19.9 19 2 15 13 278 4.21 165.9 177.96 4.13S 33 45 0 63 41 32.1 19 2 21 13 278 4.25 165.9 177.98 4.11S 34 0 0 63 38 43.2 19 2 26 13 278 4.29 165.9 178.00 4.09S 34 15 0 63 35 53.0 19 2 31 13 279 4.33 165.9 178.02 4.07S 34 30 0 63 33 1.6 19 2 36 13 279 4.38 166.0 178.04 4.05S 34 45 0 63 30 9.0 19 2 41 13 279 4.42 166.0 178.06 4.03S 35 0 0 63 27 15.1 19 2 47 13 279 4.47 166.0 178.08 4.01S 35 15 0 63 24 20.1 19 2 52 12 280 4.52 166.0 178.10 3.99S 35 30 0 63 21 23.8 19 2 57 12 280 4.57 166.0 178.12 3.97S 35 45 0 63 18 26.3 19 3 2 12 280 4.62 166.0 178.14 3.95S 36 0 0 63 15 27.6 19 3 7 12 280 4.67 166.1 178.15 3.94S 36 15 0 63 12 27.6 19 3 12 12 281 4.72 166.1 178.17 3.92S 36 30 0 63 9 26.4 19 3 16 12 281 4.77 166.1 178.19 3.90S 36 45 0 63 6 24.0 19 3 21 12 281 4.83 166.1 178.21 3.88S 37 0 0 63 3 20.4 19 3 26 12 281 4.88 166.1 178.23 3.86S 37 15 0 63 0 15.6 19 3 31 11 282 4.94 166.2 178.25 3.84S 37 30 0 62 57 9.5 19 3 36 11 282 5.00 166.2 178.27 3.82S 37 45 0 62 54 2.2 19 3 40 11 282 5.06 166.2 178.28 3.81S 38 0 0 62 50 53.7 19 3 45 11 282 5.12 166.2 178.30 3.79S 38 15 0 62 47 43.9 19 3 50 11 283 5.18 166.2 178.32 3.77S 38 30 0 62 44 33.0 19 3 54 11 283 5.25 166.2 178.34 3.75S 38 45 0 62 41 20.8 19 3 59 11 283 5.31 166.3 178.36 3.73S 39 0 0 62 38 7.4 19 4 3 11 283 5.38 166.3 178.38 3.71S 39 15 0 62 34 52.7 19 4 8 10 284 5.45 166.3 178.39 3.70S 39 30 0 62 31 36.8 19 4 12 10 284 5.53 166.3 178.41 3.68S 39 45 0 62 28 19.7 19 4 16 10 284 5.60 166.3 178.43 3.66S 40 0 0 62 25 1.4 19 4 21 10 284 5.68 166.4 178.45 3.64S 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. 523 is in the Kepler2 program, ID= 210501067 523 is double: This next pair is not confirmed ** 7.3 7.3 0.10" 90.0 (OCc1208) Graze path of ? approximately 0.1 km north, and 0.2 secs later compared to the primary - refer to graze profile for exact distances Librations Long -5.89 Lat +4.58 P +176.80 D +4.55 Illumination of moon 16%+ Elongation of Moon 48 Vertical Profile Scale approx. 2.58 km/arcsec at mean distance of moon Horizontal Scale Factor 1.85 deg/min At longitude 25.00: Limiting Magnitudes for various telescope apertures (in cm) CA\Tdia 5 10 15 20 25 30 35 0.8 5.0 6.4 7.1 7.6 7.9 8.1 8.3 2.8 5.0 6.4 7.2 7.7 8.0 8.2 8.4 4.8 5.1 6.5 7.2 7.7 8.0 8.3 8.4 6.8 5.1 6.5 7.3 7.8 8.1 8.3 8.5 8.8 6.0 7.5 8.3 8.8 9.2 9.4 9.6 ------------------------------------------------------------------------------ Double star catalogue details Star is a Kepler2 target star. EPIC_ID = 210501067 ------------------------------------------------ Interferometric catalogue entries 033747.82+152550.2 HR 1102 . HD 22522 HIP 16924 03378+1526 N Date PA Sep M1 M2 1980.721 . . < 0.030 . . . . . 470 3.8 1 Hrt1984 Sc ------------------------------------------------------------------------------ Results of Observer Scan UT Site Long. Lat. Dist. h m s Bodø 14.4 67.3 103km 18 53 58.6 Haapajärvi 25.3 63.7 141km 18 59 3.1 Iisalmi 27.2 63.5 132km 18 59 50.0 Ilomantsi 30.9 62.7 158km 19 1 18.2 Joensuu Jakokoski 30.0 62.7 170km 19 0 57.1 Kajaani Lehtikangas 27.7 64.2 53km 19 0 3.5 Kalajoki 23.9 64.3 108km 18 58 27.6 Kaustinen 23.7 63.6 186km 18 58 21.2 Kemijärvi 27.4 66.7 201km 18 59 56.2 Kokkola 23.1 63.8 165km 18 58 6.3 Kuhmo 29.5 64.1 32km 19 0 45.8 Kuopio Huuhanmäki 27.6 62.9 194km 19 0 1.3 Kuusamo 29.2 66.0 152km 19 0 38.4 Meltaus 25.4 66.9 192km 18 59 4.3 Nilsiä 28.1 63.2 153km 19 0 11.9 Nurmes 29.1 63.5 100km 19 0 37.2 Oulainen 24.8 64.3 94km 18 58 50.1 Oulu Puolivälikangas 25.5 65.0 2km 18 59 7.5 Pello 24.0 66.8 158km 18 58 28.3 Posio 28.2 66.1 151km 19 0 13.9 Pudasjärvi 27.0 65.4 55km 18 59 45.1 Puolanka 27.7 64.9 14km 19 0 1.9 Pyhäjärvi 26.0 63.7 138km 18 59 19.7 Raahe 24.5 64.7 54km 18 58 41.6 Ranua 26.5 65.9 107km 18 59 33.2 Rovaniemi 25.7 66.5 153km 18 59 13.6 Skellfteå 20.9 64.8 96km 18 57 6.6 Sodankylä 26.6 67.4 260km 18 59 35.4 Suomussalmi 28.9 64.9 36km 19 0 31.5 Taivalkoski 28.3 65.6 96km 19 0 15.9 Tervola 24.8 66.1 97km 18 58 50.0 Tornio 24.1 65.8 64km 18 58 32.9 Umeå 20.3 63.8 205km 18 56 48.6 Viitasaari 25.9 63.1 204km 18 59 16.8 Ylitornio 23.7 66.3 106km 18 58 20.6