Grazing Occultation of 83wK2 Magnitude 6.6 [Red = 6.0] R83 = 15 Ceti Date: 2017 Nov 01 22h 56m, to 2017 Nov 01 23h 6m 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 20 0 0 66 58 12.7 23 0 47 18 219 3.09 337.1 1.29 7.73N 21 0 0 67 10 59.8 23 1 9 17 220 3.17 337.2 1.37 7.82N 22 0 0 67 23 24.9 23 1 31 17 221 3.26 337.3 1.45 7.90N 23 0 0 67 35 27.0 23 1 51 17 222 3.35 337.4 1.53 7.97N 24 0 0 67 47 7.5 23 2 11 16 223 3.44 337.4 1.60 8.05N 25 0 0 67 58 26.6 23 2 30 16 224 3.54 337.5 1.68 8.13N 26 0 0 68 9 24.7 23 2 48 15 225 3.64 337.6 1.76 8.20N 27 0 0 68 20 1.8 23 3 5 15 227 3.74 337.7 1.83 8.28N 28 0 0 68 30 19.9 23 3 22 15 228 3.85 337.7 1.90 8.35N 29 0 0 68 40 18.5 23 3 38 14 229 3.97 337.8 1.98 8.42N 30 0 0 68 49 58.1 23 3 53 14 230 4.09 337.9 2.05 8.49N 31 0 0 68 59 19.0 23 4 8 13 231 4.21 338.0 2.12 8.56N 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. Projected diameter of star 4 meters [Estimated] 83 is double: AB 6.7 13.5 25.9" 311.6 (HDO 31) Graze path of B approximately 71.7 km south, and 22.2 secs earlier compared to A - refer to graze profile for exact distances C A S S I N I R E G I O N G R A Z E Librations Long -6.72 Lat +5.65 P +1.04 D -5.59 Illumination of moon 93%+ Elongation of Moon 149 Vertical Profile Scale approx. 3.01 km/arcsec at mean distance of moon Horizontal Scale Factor 1.84 deg/min At longitude 25.00: Limiting Magnitudes for various telescope apertures (in cm) CA\Tdia 5 10 15 20 25 30 35 4.1 2.1 3.4 4.0 4.4 4.6 4.7 4.8 6.1 3.0 4.3 4.9 5.3 5.5 5.6 5.7 8.1 3.9 5.3 5.9 6.3 6.5 6.6 6.7 10.1 3.9 5.3 5.9 6.3 6.5 6.6 6.7 12.1 3.9 5.3 5.9 6.3 6.5 6.6 6.7 ------------------------------------------------------------------------------ Results of Observer Scan UT Site Long. Lat. Dist. h m s Muonio 23.7 68.0 23km 23 2 4.4 Ivalo 27.5 68.7 24km 23 3 14.2 Vuotso 27.1 68.1 26km 23 3 7.3 Kolari 23.8 67.3 41km 23 2 6.8 Inari 27.0 68.9 57km 23 3 5.7 Enontekiö 23.6 68.4 66km 23 2 3.7 Sodankylä 26.6 67.4 86km 23 2 58.3 Tulppio 29.2 67.8 96km 23 3 41.0 Näätämö 29.1 69.7 98km 23 3 39.4 Grazing Occultation of 83wK2 Magnitude 6.6 [Red = 6.0] R83 = 15 Ceti Date: 2017 Nov 01 22h 56m, to 2017 Nov 01 23h 6m 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 64 27 28.8 22 56 2 23 208 2.40 336.2 0.41 6.85N 10 15 0 64 31 47.9 22 56 10 22 208 2.42 336.3 0.43 6.88N 10 30 0 64 36 5.1 22 56 19 22 209 2.43 336.3 0.45 6.90N 10 45 0 64 40 20.6 22 56 27 22 209 2.45 336.3 0.48 6.93N 11 0 0 64 44 34.3 22 56 36 22 209 2.46 336.3 0.50 6.95N 11 15 0 64 48 46.2 22 56 44 22 209 2.48 336.4 0.52 6.97N 11 30 0 64 52 56.3 22 56 52 22 210 2.49 336.4 0.55 6.99N 11 45 0 64 57 4.6 22 57 1 22 210 2.51 336.4 0.57 7.02N 12 0 0 65 1 11.2 22 57 9 22 210 2.52 336.4 0.59 7.04N 12 15 0 65 5 16.1 22 57 17 22 211 2.54 336.5 0.62 7.06N 12 30 0 65 9 19.2 22 57 24 21 211 2.55 336.5 0.64 7.09N 12 45 0 65 13 20.6 22 57 32 21 211 2.57 336.5 0.66 7.11N 13 0 0 65 17 20.3 22 57 40 21 211 2.59 336.5 0.68 7.13N 13 15 0 65 21 18.3 22 57 48 21 212 2.60 336.5 0.71 7.15N 13 30 0 65 25 14.5 22 57 55 21 212 2.62 336.6 0.73 7.18N 13 45 0 65 29 9.1 22 58 3 21 212 2.63 336.6 0.75 7.20N 14 0 0 65 33 2.0 22 58 10 21 213 2.65 336.6 0.77 7.22N 14 15 0 65 36 53.3 22 58 17 21 213 2.67 336.6 0.80 7.24N 14 30 0 65 40 42.9 22 58 25 20 213 2.68 336.7 0.82 7.27N 14 45 0 65 44 30.8 22 58 32 20 213 2.70 336.7 0.84 7.29N 15 0 0 65 48 17.1 22 58 39 20 214 2.72 336.7 0.86 7.31N 15 15 0 65 52 1.7 22 58 46 20 214 2.73 336.7 0.88 7.33N 15 30 0 65 55 44.8 22 58 53 20 214 2.75 336.7 0.91 7.35N 15 45 0 65 59 26.2 22 59 0 20 215 2.77 336.8 0.93 7.38N 16 0 0 66 3 6.0 22 59 7 20 215 2.79 336.8 0.95 7.40N 16 15 0 66 6 44.3 22 59 13 20 215 2.80 336.8 0.97 7.42N 16 30 0 66 10 20.9 22 59 20 20 215 2.82 336.8 0.99 7.44N 16 45 0 66 13 56.0 22 59 27 19 216 2.84 336.9 1.01 7.46N 17 0 0 66 17 29.5 22 59 33 19 216 2.86 336.9 1.04 7.48N 17 15 0 66 21 1.4 22 59 40 19 216 2.88 336.9 1.06 7.50N 17 30 0 66 24 31.8 22 59 46 19 216 2.90 336.9 1.08 7.53N 17 45 0 66 28 0.7 22 59 52 19 217 2.91 336.9 1.10 7.55N 18 0 0 66 31 28.0 22 59 59 19 217 2.93 337.0 1.12 7.57N 18 15 0 66 34 53.8 23 0 5 19 217 2.95 337.0 1.14 7.59N 18 30 0 66 38 18.1 23 0 11 19 218 2.97 337.0 1.16 7.61N 18 45 0 66 41 40.9 23 0 17 18 218 2.99 337.0 1.18 7.63N 19 0 0 66 45 2.1 23 0 23 18 218 3.01 337.0 1.20 7.65N 19 15 0 66 48 22.0 23 0 29 18 218 3.03 337.1 1.23 7.67N 19 30 0 66 51 40.3 23 0 35 18 219 3.05 337.1 1.25 7.69N 19 45 0 66 54 57.1 23 0 41 18 219 3.07 337.1 1.27 7.71N 20 0 0 66 58 12.5 23 0 47 18 219 3.09 337.1 1.29 7.73N 20 15 0 67 1 26.2 23 0 52 18 219 3.11 337.1 1.31 7.75N 20 30 0 67 4 38.7 23 0 58 18 220 3.13 337.2 1.33 7.77N 20 45 0 67 7 49.8 23 1 4 18 220 3.15 337.2 1.35 7.79N 21 0 0 67 10 59.4 23 1 9 17 220 3.17 337.2 1.37 7.81N 21 15 0 67 14 7.6 23 1 15 17 221 3.19 337.2 1.39 7.83N 21 30 0 67 17 14.4 23 1 20 17 221 3.21 337.2 1.41 7.85N 21 45 0 67 20 20.7 23 1 25 17 221 3.24 337.3 1.42 7.86N 22 0 0 67 23 24.7 23 1 31 17 221 3.26 337.3 1.44 7.88N 22 15 0 67 26 27.3 23 1 36 17 222 3.28 337.3 1.46 7.90N 22 30 0 67 29 28.5 23 1 41 17 222 3.30 337.3 1.48 7.92N 22 45 0 67 32 28.3 23 1 46 17 222 3.32 337.3 1.50 7.94N 23 0 0 67 35 26.8 23 1 51 17 222 3.35 337.4 1.52 7.96N 23 15 0 67 38 23.9 23 1 56 17 223 3.37 337.4 1.53 7.98N 23 30 0 67 41 19.7 23 2 1 16 223 3.39 337.4 1.55 8.00N 23 45 0 67 44 14.2 23 2 6 16 223 3.42 337.4 1.57 8.02N 24 0 0 67 47 7.3 23 2 11 16 223 3.44 337.4 1.59 8.04N 24 15 0 67 49 59.0 23 2 16 16 224 3.46 337.4 1.61 8.06N 24 30 0 67 52 49.5 23 2 20 16 224 3.49 337.5 1.63 8.08N 24 45 0 67 55 38.6 23 2 25 16 224 3.51 337.5 1.66 8.11N 25 0 0 67 58 26.4 23 2 30 16 224 3.54 337.5 1.68 8.13N 25 15 0 68 1 13.0 23 2 34 16 225 3.56 337.5 1.70 8.14N 25 30 0 68 3 57.8 23 2 39 16 225 3.59 337.6 1.72 8.16N 25 45 0 68 6 41.7 23 2 43 15 225 3.61 337.6 1.74 8.18N 26 0 0 68 9 24.4 23 2 48 15 225 3.64 337.6 1.76 8.20N 26 15 0 68 12 5.8 23 2 52 15 226 3.66 337.6 1.77 8.22N 26 30 0 68 14 45.9 23 2 57 15 226 3.69 337.6 1.79 8.24N 26 45 0 68 17 24.8 23 3 1 15 226 3.72 337.6 1.81 8.26N 27 0 0 68 20 1.6 23 3 5 15 227 3.74 337.7 1.83 8.28N 27 15 0 68 22 38.0 23 3 10 15 227 3.77 337.7 1.85 8.29N 27 30 0 68 25 13.1 23 3 14 15 227 3.80 337.7 1.87 8.31N 27 45 0 68 27 47.0 23 3 18 15 227 3.82 337.7 1.89 8.33N 28 0 0 68 30 19.7 23 3 22 15 228 3.85 337.7 1.90 8.35N 28 15 0 68 32 51.1 23 3 26 14 228 3.88 337.8 1.92 8.37N 28 30 0 68 35 21.4 23 3 30 14 228 3.91 337.8 1.94 8.39N 28 45 0 68 37 50.4 23 3 34 14 228 3.94 337.8 1.96 8.40N 29 0 0 68 40 18.3 23 3 38 14 229 3.97 337.8 1.98 8.42N 29 15 0 68 42 44.9 23 3 42 14 229 4.00 337.8 1.99 8.44N 29 30 0 68 45 10.4 23 3 45 14 229 4.03 337.8 2.01 8.46N 29 45 0 68 47 34.7 23 3 49 14 229 4.06 337.9 2.03 8.47N 30 0 0 68 49 57.9 23 3 53 14 230 4.09 337.9 2.05 8.49N 30 15 0 68 52 19.8 23 3 57 14 230 4.12 337.9 2.07 8.51N 30 30 0 68 54 40.6 23 4 0 14 230 4.15 337.9 2.08 8.53N 30 45 0 68 57 0.3 23 4 4 13 230 4.18 337.9 2.10 8.55N 31 0 0 68 59 18.8 23 4 7 13 231 4.21 338.0 2.12 8.56N 31 15 0 69 1 36.2 23 4 11 13 231 4.24 338.0 2.14 8.58N 31 30 0 69 3 52.4 23 4 14 13 231 4.28 338.0 2.15 8.60N 31 45 0 69 6 7.5 23 4 18 13 231 4.31 338.0 2.17 8.61N 32 0 0 69 8 21.5 23 4 21 13 232 4.34 338.0 2.19 8.63N 32 15 0 69 10 34.3 23 4 25 13 232 4.38 338.0 2.20 8.65N 32 30 0 69 12 46.1 23 4 28 13 232 4.41 338.1 2.22 8.67N 32 45 0 69 14 56.7 23 4 31 13 232 4.45 338.1 2.24 8.68N 33 0 0 69 17 6.3 23 4 35 13 233 4.48 338.1 2.26 8.70N 33 15 0 69 19 14.7 23 4 38 12 233 4.52 338.1 2.27 8.72N 33 30 0 69 21 22.1 23 4 41 12 233 4.55 338.1 2.29 8.73N 33 45 0 69 23 28.4 23 4 44 12 233 4.59 338.1 2.31 8.75N 34 0 0 69 25 33.6 23 4 47 12 234 4.63 338.2 2.32 8.77N 34 15 0 69 27 37.7 23 4 50 12 234 4.66 338.2 2.34 8.78N 34 30 0 69 29 40.7 23 4 53 12 234 4.70 338.2 2.36 8.80N 34 45 0 69 31 42.7 23 4 56 12 234 4.74 338.2 2.37 8.82N 35 0 0 69 33 43.7 23 4 59 12 235 4.78 338.2 2.39 8.83N 35 15 0 69 35 43.6 23 5 2 12 235 4.82 338.2 2.41 8.85N 35 30 0 69 37 42.4 23 5 5 12 235 4.86 338.3 2.42 8.87N 35 45 0 69 39 40.2 23 5 8 12 235 4.90 338.3 2.44 8.88N 36 0 0 69 41 37.0 23 5 11 11 236 4.94 338.3 2.45 8.90N 36 15 0 69 43 32.7 23 5 14 11 236 4.98 338.3 2.47 8.92N 36 30 0 69 45 27.4 23 5 16 11 236 5.03 338.3 2.49 8.93N 36 45 0 69 47 21.1 23 5 19 11 236 5.07 338.3 2.50 8.95N 37 0 0 69 49 13.8 23 5 22 11 237 5.11 338.4 2.52 8.96N 37 15 0 69 51 5.4 23 5 24 11 237 5.16 338.4 2.54 8.98N 37 30 0 69 52 56.1 23 5 27 11 237 5.20 338.4 2.55 9.00N 37 45 0 69 54 45.7 23 5 30 11 237 5.25 338.4 2.57 9.01N 38 0 0 69 56 34.4 23 5 32 11 238 5.29 338.4 2.58 9.03N 38 15 0 69 58 22.1 23 5 35 11 238 5.34 338.4 2.60 9.04N 38 30 0 70 0 8.7 23 5 37 11 238 5.39 338.5 2.62 9.06N 38 45 0 70 1 54.4 23 5 40 10 238 5.44 338.5 2.63 9.07N 39 0 0 70 3 39.1 23 5 42 10 239 5.49 338.5 2.65 9.09N 39 15 0 70 5 22.9 23 5 44 10 239 5.54 338.5 2.66 9.11N 39 30 0 70 7 5.6 23 5 47 10 239 5.59 338.5 2.68 9.12N 39 45 0 70 8 47.4 23 5 49 10 239 5.64 338.5 2.69 9.14N 40 0 0 70 10 28.3 23 5 51 10 240 5.69 338.5 2.71 9.15N 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. Projected diameter of star 4 meters [Estimated] 83 is double: AB 6.7 13.5 25.9" 311.6 (HDO 31) Graze path of B approximately 71.7 km south, and 22.2 secs earlier compared to A - refer to graze profile for exact distances C A S S I N I R E G I O N G R A Z E Librations Long -6.72 Lat +5.65 P +1.04 D -5.59 Illumination of moon 93%+ Elongation of Moon 149 Vertical Profile Scale approx. 3.01 km/arcsec at mean distance of moon Horizontal Scale Factor 1.84 deg/min At longitude 25.00: Limiting Magnitudes for various telescope apertures (in cm) CA\Tdia 5 10 15 20 25 30 35 4.1 2.1 3.4 4.0 4.4 4.6 4.7 4.8 6.1 3.0 4.3 4.9 5.3 5.5 5.6 5.7 8.1 3.9 5.3 5.9 6.3 6.5 6.6 6.7 10.1 3.9 5.3 5.9 6.3 6.5 6.6 6.7 12.1 3.9 5.3 5.9 6.3 6.5 6.6 6.7 ------------------------------------------------------------------------------ Double star catalogue details WDS entries RA Dec Name Y1 Y2 N PA PA Sep Sep M1 M2 00381-0030HDO 31 1868 2000 8 315 312 25.0 25.8 6.67 13.53 K2III -042-011 -01 75 003804.57-003012.6 ------------------------------------------------ Interferometric catalogue entries 003804.57-003012.6 ADS 534 HDO 31 BD-01 75 HIP 2994 00381-0030 Date PA Sep M1 M2 1991.25 . . < 0.1 . 6.80 . . . 511 222 0.3 1 HIP1997e Hh ------------------------------------------------------------------------------ Results of Observer Scan UT Site Long. Lat. Dist. h m s Enontekiö 23.6 68.4 66km 23 2 3.6 Inari 27.0 68.9 57km 23 3 5.6 Ivalo 27.5 68.7 24km 23 3 14.1 Karigasniemi 25.8 69.4 126km 23 2 45.1 Kemijärvi 27.4 66.7 173km 23 3 12.5 Kilpisjärvi 20.8 69.0 183km 23 1 4.3 Kolari 23.8 67.3 41km 23 2 6.7 Meltaus 25.4 66.9 114km 23 2 36.3 Muonio 23.7 68.0 23km 23 2 4.4 Näätämö 29.1 69.7 98km 23 3 39.3 Nuorgam 27.9 70.1 159km 23 3 19.8 Pello 24.0 66.8 100km 23 2 10.1 Rovaniemi 25.7 66.5 164km 23 2 43.0 Salla 28.7 66.8 183km 23 3 32.4 Sodankylä 26.6 67.4 86km 23 2 58.2 Tervola 24.8 66.1 188km 23 2 26.0 Tornio 24.1 65.8 198km 23 2 13.5 Tulppio 29.2 67.8 96km 23 3 40.9 Utsjoki Ailigas 27.1 69.9 154km 23 3 6.3 Vuotso 27.1 68.1 26km 23 3 7.2