Grazing Occultation of 970 G9 Magnitude 6.3 [Red = 5.7] Date: 2017 Mar 06 22h 27m, to 2017 Mar 06 22h 46m 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 18 0 0 70 50 27.8 22 31 55 25 252 2.17 181.9 178.79 -1.42S 19 0 0 70 36 10.4 22 32 35 24 254 2.20 181.9 178.83 -1.47S 20 0 0 70 21 30.1 22 33 15 24 255 2.23 182.0 178.88 -1.52S 21 0 0 70 6 27.0 22 33 55 24 256 2.27 182.0 178.93 -1.57S 22 0 0 69 51 0.8 22 34 35 23 257 2.30 182.0 178.98 -1.61S 23 0 0 69 35 11.5 22 35 16 23 259 2.34 182.1 179.03 -1.66S 24 0 0 69 18 59.3 22 35 56 23 260 2.38 182.1 179.07 -1.71S 25 0 0 69 2 23.9 22 36 37 22 261 2.42 182.2 179.12 -1.76S 26 0 0 68 45 25.8 22 37 18 22 262 2.47 182.2 179.17 -1.80S 27 0 0 68 28 4.9 22 37 58 22 263 2.52 182.3 179.21 -1.85S 28 0 0 68 10 21.5 22 38 39 21 265 2.57 182.3 179.26 -1.89S 29 0 0 67 52 15.8 22 39 19 21 266 2.63 182.4 179.30 -1.94S 30 0 0 67 33 48.2 22 39 59 20 267 2.69 182.4 179.35 -1.98S 31 0 0 67 14 59.0 22 40 39 20 268 2.75 182.5 179.39 -2.03S 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] Librations Long +2.60 Lat +6.61 P +179.43 D +6.91 Illumination of moon 66%+ Elongation of Moon 109 Vertical Profile Scale approx. 3.55 km/arcsec at mean distance of moon Horizontal Scale Factor 1.99 deg/min At longitude 25.00: Limiting Magnitudes for various telescope apertures (in cm) CA\Tdia 5 10 15 20 25 30 35 -5.8 2.7 4.1 4.7 5.1 5.4 5.5 5.6 -3.8 2.7 4.1 4.7 5.1 5.4 5.5 5.6 -1.8 2.7 4.1 4.7 5.1 5.4 5.5 5.6 0.2 2.7 4.1 4.7 5.1 5.4 5.5 5.6 2.2 4.5 5.9 6.6 7.0 7.3 7.4 7.6 ------------------------------------------------------------------------------ Results of Observer Scan UT Site Long. Lat. Dist. h m s Tulppio 29.2 67.8 3km 22 39 27.1 Vuotso 27.1 68.1 29km 22 38 2.7 Ivalo 27.5 68.7 30km 22 38 19.5 Inari 27.0 68.9 38km 22 37 59.0 Karigasniemi 25.8 69.4 51km 22 37 11.1 Enontekiö 23.6 68.4 92km 22 35 41.2 Grazing Occultation of 970 G9 Magnitude 6.3 [Red = 5.7] Date: 2017 Mar 06 22h 27m, to 2017 Mar 06 22h 46m 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 72 31 32.6 22 26 44 27 242 1.98 181.5 178.40 -1.03S 10 15 0 72 28 43.7 22 26 53 27 243 1.98 181.5 178.41 -1.04S 10 30 0 72 25 53.6 22 27 3 27 243 1.99 181.5 178.42 -1.06S 10 45 0 72 23 2.1 22 27 12 27 243 1.99 181.5 178.43 -1.07S 11 0 0 72 20 9.3 22 27 22 27 243 2.00 181.5 178.45 -1.08S 11 15 0 72 17 15.3 22 27 31 27 244 2.00 181.5 178.46 -1.09S 11 30 0 72 14 19.9 22 27 41 26 244 2.01 181.5 178.47 -1.10S 11 45 0 72 11 23.3 22 27 50 26 244 2.01 181.5 178.48 -1.12S 12 0 0 72 8 25.3 22 28 0 26 245 2.02 181.6 178.49 -1.13S 12 15 0 72 5 26.0 22 28 10 26 245 2.02 181.6 178.51 -1.14S 12 30 0 72 2 25.3 22 28 19 26 245 2.03 181.6 178.52 -1.15S 12 45 0 71 59 23.3 22 28 29 26 246 2.04 181.6 178.53 -1.16S 13 0 0 71 56 20.0 22 28 38 26 246 2.04 181.6 178.54 -1.18S 13 15 0 71 53 15.4 22 28 48 26 246 2.05 181.6 178.55 -1.19S 13 30 0 71 50 9.4 22 28 58 26 247 2.05 181.6 178.57 -1.20S 13 45 0 71 47 2.1 22 29 7 26 247 2.06 181.6 178.58 -1.21S 14 0 0 71 43 53.4 22 29 17 26 247 2.06 181.7 178.59 -1.22S 14 15 0 71 40 43.4 22 29 27 26 248 2.07 181.7 178.60 -1.24S 14 30 0 71 37 32.0 22 29 37 26 248 2.08 181.7 178.61 -1.25S 14 45 0 71 34 19.2 22 29 46 26 248 2.08 181.7 178.63 -1.26S 15 0 0 71 31 5.1 22 29 56 26 249 2.09 181.7 178.64 -1.27S 15 15 0 71 27 49.7 22 30 6 26 249 2.09 181.7 178.65 -1.28S 15 30 0 71 24 32.8 22 30 16 25 249 2.10 181.7 178.66 -1.30S 15 45 0 71 21 14.6 22 30 26 25 249 2.11 181.7 178.67 -1.31S 16 0 0 71 17 55.0 22 30 35 25 250 2.11 181.8 178.69 -1.32S 16 15 0 71 14 34.0 22 30 45 25 250 2.12 181.8 178.70 -1.33S 16 30 0 71 11 11.6 22 30 55 25 250 2.13 181.8 178.71 -1.34S 16 45 0 71 7 47.8 22 31 5 25 251 2.13 181.8 178.72 -1.36S 17 0 0 71 4 22.6 22 31 15 25 251 2.14 181.8 178.73 -1.37S 17 15 0 71 0 56.0 22 31 25 25 251 2.15 181.8 178.75 -1.38S 17 30 0 70 57 28.0 22 31 35 25 252 2.15 181.8 178.76 -1.39S 17 45 0 70 53 58.6 22 31 45 25 252 2.16 181.8 178.77 -1.41S 18 0 0 70 50 27.8 22 31 55 25 252 2.17 181.9 178.78 -1.42S 18 15 0 70 46 55.6 22 32 5 25 253 2.18 181.9 178.80 -1.43S 18 30 0 70 43 21.9 22 32 15 25 253 2.18 181.9 178.81 -1.44S 18 45 0 70 39 46.8 22 32 25 25 253 2.19 181.9 178.82 -1.45S 19 0 0 70 36 10.4 22 32 35 24 254 2.20 181.9 178.83 -1.47S 19 15 0 70 32 32.4 22 32 45 24 254 2.21 181.9 178.84 -1.48S 19 30 0 70 28 53.1 22 32 55 24 254 2.21 181.9 178.86 -1.49S 19 45 0 70 25 12.3 22 33 5 24 255 2.22 181.9 178.87 -1.50S 20 0 0 70 21 30.1 22 33 15 24 255 2.23 181.9 178.88 -1.51S 20 15 0 70 17 46.5 22 33 25 24 255 2.24 182.0 178.89 -1.53S 20 30 0 70 14 1.4 22 33 35 24 255 2.25 182.0 178.90 -1.54S 20 45 0 70 10 14.9 22 33 45 24 256 2.26 182.0 178.92 -1.55S 21 0 0 70 6 27.0 22 33 55 24 256 2.27 182.0 178.93 -1.56S 21 15 0 70 2 37.6 22 34 5 24 256 2.27 182.0 178.94 -1.57S 21 30 0 69 58 46.7 22 34 15 24 257 2.28 182.0 178.95 -1.59S 21 45 0 69 54 54.4 22 34 25 24 257 2.29 182.0 178.96 -1.60S 22 0 0 69 51 0.7 22 34 35 23 257 2.30 182.0 178.98 -1.61S 22 15 0 69 47 5.6 22 34 45 23 258 2.31 182.1 178.99 -1.62S 22 30 0 69 43 9.0 22 34 56 23 258 2.32 182.1 179.00 -1.63S 22 45 0 69 39 11.0 22 35 6 23 258 2.33 182.1 179.01 -1.65S 23 0 0 69 35 11.5 22 35 16 23 259 2.34 182.1 179.02 -1.66S 23 15 0 69 31 10.6 22 35 26 23 259 2.35 182.1 179.03 -1.67S 23 30 0 69 27 8.2 22 35 36 23 259 2.36 182.1 179.05 -1.68S 23 45 0 69 23 4.5 22 35 46 23 260 2.37 182.1 179.06 -1.69S 24 0 0 69 18 59.2 22 35 56 23 260 2.38 182.1 179.07 -1.70S 24 15 0 69 14 52.6 22 36 7 23 260 2.39 182.2 179.08 -1.72S 24 30 0 69 10 44.5 22 36 17 23 260 2.40 182.2 179.09 -1.73S 24 45 0 69 6 34.9 22 36 27 23 261 2.41 182.2 179.11 -1.74S 25 0 0 69 2 23.9 22 36 37 22 261 2.42 182.2 179.12 -1.75S 25 15 0 68 58 11.5 22 36 47 22 261 2.43 182.2 179.13 -1.76S 25 30 0 68 53 57.7 22 36 57 22 262 2.45 182.2 179.14 -1.77S 25 45 0 68 49 42.5 22 37 7 22 262 2.46 182.2 179.15 -1.79S 26 0 0 68 45 25.8 22 37 18 22 262 2.47 182.2 179.16 -1.80S 26 15 0 68 41 7.7 22 37 28 22 263 2.48 182.2 179.18 -1.81S 26 30 0 68 36 48.2 22 37 38 22 263 2.49 182.3 179.19 -1.82S 26 45 0 68 32 27.3 22 37 48 22 263 2.51 182.3 179.20 -1.83S 27 0 0 68 28 4.9 22 37 58 22 263 2.52 182.3 179.21 -1.84S 27 15 0 68 23 41.2 22 38 8 22 264 2.53 182.3 179.22 -1.85S 27 30 0 68 19 16.0 22 38 18 21 264 2.54 182.3 179.23 -1.87S 27 45 0 68 14 49.5 22 38 28 21 264 2.56 182.3 179.24 -1.88S 28 0 0 68 10 21.5 22 38 39 21 265 2.57 182.3 179.25 -1.89S 28 15 0 68 5 52.2 22 38 49 21 265 2.58 182.3 179.27 -1.90S 28 30 0 68 1 21.4 22 38 59 21 265 2.60 182.3 179.28 -1.91S 28 45 0 67 56 49.3 22 39 9 21 266 2.61 182.4 179.29 -1.92S 29 0 0 67 52 15.8 22 39 19 21 266 2.63 182.4 179.30 -1.93S 29 15 0 67 47 41.0 22 39 29 21 266 2.64 182.4 179.31 -1.94S 29 30 0 67 43 4.7 22 39 39 21 267 2.66 182.4 179.32 -1.96S 29 45 0 67 38 27.1 22 39 49 21 267 2.67 182.4 179.33 -1.97S 30 0 0 67 33 48.2 22 39 59 20 267 2.69 182.4 179.34 -1.98S 30 15 0 67 29 7.9 22 40 9 20 267 2.70 182.4 179.35 -1.99S 30 30 0 67 24 26.2 22 40 19 20 268 2.72 182.4 179.37 -2.00S 30 45 0 67 19 43.3 22 40 29 20 268 2.73 182.4 179.38 -2.01S 31 0 0 67 14 59.0 22 40 39 20 268 2.75 182.5 179.39 -2.02S 31 15 0 67 10 13.4 22 40 49 20 269 2.77 182.5 179.40 -2.03S 31 30 0 67 5 26.4 22 40 59 20 269 2.78 182.5 179.41 -2.04S 31 45 0 67 0 38.2 22 41 9 20 269 2.80 182.5 179.42 -2.05S 32 0 0 66 55 48.7 22 41 18 20 270 2.82 182.5 179.43 -2.06S 32 15 0 66 50 57.8 22 41 28 19 270 2.84 182.5 179.44 -2.07S 32 30 0 66 46 5.7 22 41 38 19 270 2.85 182.5 179.45 -2.08S 32 45 0 66 41 12.4 22 41 48 19 270 2.87 182.5 179.46 -2.09S 33 0 0 66 36 17.7 22 41 58 19 271 2.89 182.5 179.47 -2.10S 33 15 0 66 31 21.9 22 42 7 19 271 2.91 182.6 179.48 -2.11S 33 30 0 66 26 24.8 22 42 17 19 271 2.93 182.6 179.49 -2.13S 33 45 0 66 21 26.4 22 42 27 19 272 2.95 182.6 179.50 -2.14S 34 0 0 66 16 26.9 22 42 37 19 272 2.97 182.6 179.51 -2.15S 34 15 0 66 11 26.2 22 42 46 18 272 2.99 182.6 179.52 -2.16S 34 30 0 66 6 24.2 22 42 56 18 272 3.01 182.6 179.53 -2.16S 34 45 0 66 1 21.1 22 43 5 18 273 3.03 182.6 179.54 -2.17S 35 0 0 65 56 16.9 22 43 15 18 273 3.06 182.6 179.55 -2.18S 35 15 0 65 51 11.4 22 43 24 18 273 3.08 182.6 179.56 -2.19S 35 30 0 65 46 4.8 22 43 34 18 274 3.10 182.6 179.57 -2.20S 35 45 0 65 40 57.1 22 43 43 18 274 3.12 182.6 179.58 -2.21S 36 0 0 65 35 48.3 22 43 53 18 274 3.15 182.7 179.59 -2.22S 36 15 0 65 30 38.3 22 44 2 17 274 3.17 182.7 179.60 -2.23S 36 30 0 65 25 27.3 22 44 11 17 275 3.20 182.7 179.61 -2.24S 36 45 0 65 20 15.1 22 44 21 17 275 3.22 182.7 179.62 -2.25S 37 0 0 65 15 3.2 22 44 30 17 275 3.25 182.7 179.63 -2.26S 37 15 0 65 9 49.0 22 44 39 17 276 3.27 182.7 179.63 -2.27S 37 30 0 65 4 33.5 22 44 48 17 276 3.30 182.7 179.64 -2.28S 37 45 0 64 59 17.2 22 44 57 17 276 3.33 182.7 179.65 -2.29S 38 0 0 64 53 59.9 22 45 7 17 276 3.36 182.7 179.66 -2.30S 38 15 0 64 48 41.6 22 45 16 16 277 3.38 182.7 179.67 -2.30S 38 30 0 64 43 22.3 22 45 25 16 277 3.41 182.7 179.68 -2.31S 38 45 0 64 38 2.1 22 45 34 16 277 3.44 182.8 179.69 -2.32S 39 0 0 64 32 40.9 22 45 42 16 278 3.47 182.8 179.70 -2.33S 39 15 0 64 27 18.7 22 45 51 16 278 3.50 182.8 179.71 -2.34S 39 30 0 64 21 55.6 22 46 0 16 278 3.54 182.8 179.71 -2.35S 39 45 0 64 16 31.7 22 46 9 16 278 3.57 182.8 179.72 -2.36S 40 0 0 64 11 6.8 22 46 18 16 279 3.60 182.8 179.73 -2.36S 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] Librations Long +2.60 Lat +6.61 P +179.42 D +6.91 Illumination of moon 66%+ Elongation of Moon 109 Vertical Profile Scale approx. 3.55 km/arcsec at mean distance of moon Horizontal Scale Factor 1.99 deg/min At longitude 25.00: Limiting Magnitudes for various telescope apertures (in cm) CA\Tdia 5 10 15 20 25 30 35 -5.8 2.7 4.1 4.7 5.1 5.4 5.5 5.6 -3.8 2.7 4.1 4.7 5.1 5.4 5.5 5.6 -1.8 2.7 4.1 4.7 5.1 5.4 5.5 5.6 0.2 2.7 4.1 4.7 5.1 5.4 5.5 5.6 2.2 4.5 5.9 6.6 7.0 7.3 7.4 7.6 ------------------------------------------------------------------------------ Results of Observer Scan UT Site Long. Lat. Dist. h m s Enontekiö 23.6 68.4 92km 22 35 41.2 Inari 27.0 68.9 38km 22 37 59.0 Ivalo 27.5 68.7 30km 22 38 19.5 Karigasniemi 25.8 69.4 51km 22 37 11.1 Kemijärvi 27.4 66.7 144km 22 38 15.6 Kilpisjärvi 20.8 69.0 100km 22 33 46.2 Kolari 23.8 67.3 185km 22 35 47.6 Kuusamo 29.2 66.0 164km 22 39 26.4 Meltaus 25.4 66.9 182km 22 36 51.4 Muonio 23.7 68.0 130km 22 35 42.8 Näätämö 29.1 69.7 152km 22 39 22.9 Nuorgam 27.9 70.1 156km 22 38 33.5 Pello 24.0 66.8 232km 22 35 54.8 Posio 28.2 66.1 179km 22 38 45.1 Ranua 26.5 65.9 242km 22 37 37.9 Rovaniemi 25.7 66.5 211km 22 37 6.3 Salla 28.7 66.8 100km 22 39 5.1 Sodankylä 26.6 67.4 104km 22 37 41.4 Tulppio 29.2 67.8 3km 22 39 27.1 Utsjoki Ailigas 27.1 69.9 122km 22 38 0.5 Vuotso 27.1 68.1 29km 22 38 2.7