Grazing Occultation of 671SA7 Magnitude 3.4 [Red = 3.3] v R671 = theta 2 Tauri Date: 2017 Dec 30 22h 2m, to 2017 Dec 30 22h 21m 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 68 50 20.6 22 7 42 35 206 1.41 168.5 176.73 -6.39S 18 30 0 68 51 44.3 22 8 2 35 207 1.41 168.5 176.77 -6.43S 19 0 0 68 53 4.0 22 8 23 35 208 1.42 168.5 176.80 -6.46S 19 30 0 68 54 19.6 22 8 43 35 208 1.43 168.6 176.84 -6.49S 20 0 0 68 55 31.1 22 9 3 35 209 1.43 168.6 176.87 -6.53S 20 30 0 68 56 38.8 22 9 23 35 210 1.44 168.6 176.90 -6.56S 21 0 0 68 57 42.4 22 9 43 35 210 1.45 168.7 176.94 -6.60S 21 30 0 68 58 42.1 22 10 3 35 211 1.45 168.7 176.97 -6.63S 22 0 0 68 59 37.8 22 10 23 34 212 1.46 168.7 177.01 -6.67S 22 30 0 69 0 29.6 22 10 43 34 212 1.47 168.8 177.04 -6.70S 23 0 0 69 1 17.4 22 11 2 34 213 1.47 168.8 177.08 -6.73S 23 30 0 69 2 1.4 22 11 22 34 214 1.48 168.8 177.11 -6.77S 24 0 0 69 2 41.5 22 11 41 34 214 1.49 168.9 177.14 -6.80S 24 30 0 69 3 17.7 22 12 1 34 215 1.49 168.9 177.18 -6.84S 25 0 0 69 3 50.0 22 12 20 34 216 1.50 168.9 177.21 -6.87S 25 30 0 69 4 18.5 22 12 39 34 216 1.51 169.0 177.24 -6.90S 26 0 0 69 4 43.1 22 12 58 33 217 1.52 169.0 177.28 -6.94S 26 30 0 69 5 3.9 22 13 17 33 218 1.52 169.0 177.31 -6.97S 27 0 0 69 5 20.9 22 13 36 33 218 1.53 169.1 177.34 -7.00S 27 30 0 69 5 34.1 22 13 55 33 219 1.54 169.1 177.38 -7.04S 28 0 0 69 5 43.5 22 14 14 33 220 1.55 169.1 177.42 -7.08S 28 30 0 69 5 49.0 22 14 32 33 220 1.56 169.2 177.45 -7.11S 29 0 0 69 5 50.8 22 14 51 33 221 1.56 169.2 177.49 -7.15S 29 30 0 69 5 48.8 22 15 10 32 221 1.57 169.2 177.52 -7.18S 30 0 0 69 5 43.0 22 15 28 32 222 1.58 169.3 177.55 -7.21S 30 30 0 69 5 33.4 22 15 46 32 223 1.59 169.3 177.59 -7.25S 31 0 0 69 5 20.0 22 16 5 32 223 1.60 169.3 177.62 -7.28S 31 30 0 69 5 2.9 22 16 23 32 224 1.61 169.4 177.65 -7.31S 32 0 0 69 4 42.0 22 16 41 32 225 1.62 169.4 177.69 -7.34S 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 3 meters [CHARM/CADARS, 3 measures] 671 is variable: 671 = tet 2 Tau, 3.35 to 3.42, V, Type DSCTC+E:, Period 0.07564 days 671 is triple: Aa,Ab 3.7 4.9 0.021" 56.6 (MKT 13) Graze path of Ab approximately 0.0 km south, and 0.0 secs later compared to Aa - refer to graze profile for exact distances AB 3.4 3.9 341" 347.0 (STFA 10) Graze path of B approximately 1042.1 km south, and 21.1 secs earlier compared to A - refer to graze profile for exact distances Librations Long -4.11 Lat +6.99 P +176.68 D +7.04 Illumination of moon 93%+ Elongation of Moon 148 Vertical Profile Scale approx. 2.88 km/arcsec at mean distance of moon Horizontal Scale Factor 1.87 deg/min At longitude 25.00: Limiting Magnitudes for various telescope apertures (in cm) CA\Tdia 5 10 15 20 25 30 35 -10.9 2.4 3.8 4.5 4.9 5.2 5.4 5.5 -8.9 2.4 3.8 4.5 4.9 5.2 5.4 5.5 -6.9 2.4 3.8 4.5 4.9 5.2 5.4 5.5 -4.9 2.4 3.8 4.5 4.9 5.2 5.4 5.5 -2.9 2.4 3.8 4.5 4.9 5.2 5.4 5.5 ------------------------------------------------------------------------------ Results of Observer Scan UT Site Long. Lat. Dist. h m s Kilpisjärvi 20.8 69.0 10km 22 9 34.8 Inari 27.0 68.9 20km 22 13 37.1 Karigasniemi 25.8 69.4 36km 22 12 52.3 Ivalo 27.5 68.7 48km 22 13 56.3 Näätämö 29.1 69.7 63km 22 14 55.0 Enontekiö 23.6 68.4 72km 22 11 26.9 Utsjoki Ailigas 27.1 69.9 89km 22 13 38.5 Grazing Occultation of 671SA7 Magnitude 3.4 [Red = 3.3] v R671 = theta 2 Tauri Date: 2017 Dec 30 22h 2m, to 2017 Dec 30 22h 21m 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 68 18 31.6 22 1 58 37 195 1.32 167.9 176.16 -5.82S 10 15 0 68 19 48.0 22 2 9 37 196 1.32 167.9 176.18 -5.84S 10 30 0 68 21 3.3 22 2 21 37 196 1.33 167.9 176.20 -5.85S 10 45 0 68 22 17.5 22 2 32 37 196 1.33 167.9 176.21 -5.87S 11 0 0 68 23 30.6 22 2 43 37 197 1.33 168.0 176.23 -5.89S 11 15 0 68 24 42.6 22 2 54 37 197 1.33 168.0 176.25 -5.91S 11 30 0 68 25 53.4 22 3 5 37 197 1.34 168.0 176.27 -5.93S 11 45 0 68 27 3.2 22 3 16 37 198 1.34 168.0 176.29 -5.95S 12 0 0 68 28 11.9 22 3 27 37 198 1.34 168.0 176.30 -5.96S 12 15 0 68 29 19.5 22 3 38 37 198 1.34 168.0 176.32 -5.98S 12 30 0 68 30 26.0 22 3 49 37 199 1.35 168.1 176.34 -6.00S 12 45 0 68 31 31.4 22 4 0 37 199 1.35 168.1 176.36 -6.02S 13 0 0 68 32 35.8 22 4 11 36 199 1.35 168.1 176.38 -6.04S 13 15 0 68 33 39.0 22 4 21 36 200 1.35 168.1 176.40 -6.05S 13 30 0 68 34 41.2 22 4 32 36 200 1.36 168.1 176.41 -6.07S 13 45 0 68 35 42.3 22 4 43 36 201 1.36 168.2 176.43 -6.09S 14 0 0 68 36 42.4 22 4 54 36 201 1.36 168.2 176.45 -6.11S 14 15 0 68 37 41.4 22 5 4 36 201 1.37 168.2 176.47 -6.13S 14 30 0 68 38 39.3 22 5 15 36 202 1.37 168.2 176.48 -6.14S 14 45 0 68 39 36.2 22 5 26 36 202 1.37 168.2 176.50 -6.16S 15 0 0 68 40 32.0 22 5 36 36 202 1.37 168.2 176.52 -6.18S 15 15 0 68 41 26.8 22 5 47 36 203 1.38 168.3 176.54 -6.20S 15 30 0 68 42 20.5 22 5 58 36 203 1.38 168.3 176.56 -6.21S 15 45 0 68 43 13.2 22 6 8 36 203 1.38 168.3 176.57 -6.23S 16 0 0 68 44 4.8 22 6 19 36 204 1.39 168.3 176.59 -6.25S 16 15 0 68 44 55.4 22 6 29 36 204 1.39 168.3 176.61 -6.27S 16 30 0 68 45 44.9 22 6 40 36 204 1.39 168.4 176.63 -6.29S 16 45 0 68 46 33.4 22 6 50 36 205 1.39 168.4 176.64 -6.30S 17 0 0 68 47 20.9 22 7 0 36 205 1.40 168.4 176.66 -6.32S 17 15 0 68 48 7.4 22 7 11 36 205 1.40 168.4 176.68 -6.34S 17 30 0 68 48 52.8 22 7 21 35 206 1.40 168.4 176.70 -6.36S 17 45 0 68 49 37.2 22 7 31 35 206 1.41 168.4 176.71 -6.37S 18 0 0 68 50 20.5 22 7 42 35 206 1.41 168.5 176.73 -6.39S 18 15 0 68 51 2.9 22 7 52 35 207 1.41 168.5 176.75 -6.41S 18 30 0 68 51 44.2 22 8 2 35 207 1.41 168.5 176.77 -6.42S 18 45 0 68 52 24.6 22 8 12 35 207 1.42 168.5 176.78 -6.44S 19 0 0 68 53 3.9 22 8 23 35 208 1.42 168.5 176.80 -6.46S 19 15 0 68 53 42.2 22 8 33 35 208 1.42 168.5 176.82 -6.48S 19 30 0 68 54 19.5 22 8 43 35 208 1.43 168.6 176.84 -6.49S 19 45 0 68 54 55.8 22 8 53 35 209 1.43 168.6 176.85 -6.51S 20 0 0 68 55 31.1 22 9 3 35 209 1.43 168.6 176.87 -6.53S 20 15 0 68 56 5.4 22 9 13 35 209 1.44 168.6 176.89 -6.55S 20 30 0 68 56 38.7 22 9 23 35 210 1.44 168.6 176.90 -6.56S 20 45 0 68 57 11.0 22 9 33 35 210 1.44 168.6 176.92 -6.58S 21 0 0 68 57 42.3 22 9 43 35 210 1.45 168.7 176.94 -6.60S 21 15 0 68 58 12.7 22 9 53 35 211 1.45 168.7 176.96 -6.61S 21 30 0 68 58 42.0 22 10 3 35 211 1.45 168.7 176.97 -6.63S 21 45 0 68 59 10.4 22 10 13 34 211 1.46 168.7 176.99 -6.65S 22 0 0 68 59 37.7 22 10 23 34 212 1.46 168.7 177.01 -6.67S 22 15 0 69 0 4.1 22 10 33 34 212 1.46 168.8 177.02 -6.68S 22 30 0 69 0 29.5 22 10 43 34 212 1.47 168.8 177.04 -6.70S 22 45 0 69 0 54.0 22 10 52 34 213 1.47 168.8 177.06 -6.72S 23 0 0 69 1 17.4 22 11 2 34 213 1.47 168.8 177.08 -6.73S 23 15 0 69 1 39.9 22 11 12 34 213 1.48 168.8 177.09 -6.75S 23 30 0 69 2 1.4 22 11 22 34 214 1.48 168.8 177.11 -6.77S 23 45 0 69 2 21.9 22 11 31 34 214 1.48 168.9 177.13 -6.78S 24 0 0 69 2 41.5 22 11 41 34 214 1.49 168.9 177.14 -6.80S 24 15 0 69 3 0.1 22 11 51 34 215 1.49 168.9 177.16 -6.82S 24 30 0 69 3 17.7 22 12 1 34 215 1.49 168.9 177.18 -6.84S 24 45 0 69 3 34.3 22 12 10 34 215 1.50 168.9 177.19 -6.85S 25 0 0 69 3 50.0 22 12 20 34 216 1.50 168.9 177.21 -6.87S 25 15 0 69 4 4.7 22 12 29 34 216 1.51 169.0 177.23 -6.89S 25 30 0 69 4 18.5 22 12 39 34 216 1.51 169.0 177.24 -6.90S 25 45 0 69 4 31.3 22 12 49 33 217 1.51 169.0 177.26 -6.92S 26 0 0 69 4 43.1 22 12 58 33 217 1.52 169.0 177.28 -6.94S 26 15 0 69 4 54.0 22 13 8 33 217 1.52 169.0 177.29 -6.95S 26 30 0 69 5 3.9 22 13 17 33 218 1.52 169.0 177.31 -6.97S 26 45 0 69 5 12.9 22 13 27 33 218 1.53 169.1 177.33 -6.99S 27 0 0 69 5 20.9 22 13 36 33 218 1.53 169.1 177.34 -7.00S 27 15 0 69 5 28.0 22 13 45 33 219 1.54 169.1 177.36 -7.02S 27 30 0 69 5 34.1 22 13 55 33 219 1.54 169.1 177.38 -7.04S 27 45 0 69 5 39.3 22 14 4 33 219 1.54 169.1 177.39 -7.05S 28 0 0 69 5 43.5 22 14 14 33 219 1.55 169.1 177.42 -7.08S 28 15 0 69 5 46.7 22 14 23 33 220 1.55 169.2 177.44 -7.10S 28 30 0 69 5 49.0 22 14 32 33 220 1.56 169.2 177.45 -7.11S 28 45 0 69 5 50.4 22 14 42 33 220 1.56 169.2 177.47 -7.13S 29 0 0 69 5 50.8 22 14 51 33 221 1.56 169.2 177.49 -7.15S 29 15 0 69 5 50.3 22 15 0 33 221 1.57 169.2 177.50 -7.16S 29 30 0 69 5 48.8 22 15 9 32 221 1.57 169.2 177.52 -7.18S 29 45 0 69 5 46.4 22 15 19 32 222 1.58 169.3 177.54 -7.20S 30 0 0 69 5 43.0 22 15 28 32 222 1.58 169.3 177.55 -7.21S 30 15 0 69 5 38.7 22 15 37 32 222 1.58 169.3 177.57 -7.23S 30 30 0 69 5 33.4 22 15 46 32 223 1.59 169.3 177.59 -7.25S 30 45 0 69 5 27.2 22 15 55 32 223 1.59 169.3 177.60 -7.26S 31 0 0 69 5 20.1 22 16 5 32 223 1.60 169.3 177.62 -7.28S 31 15 0 69 5 12.0 22 16 14 32 224 1.60 169.4 177.64 -7.29S 31 30 0 69 5 3.0 22 16 23 32 224 1.61 169.4 177.65 -7.31S 31 45 0 69 4 53.0 22 16 32 32 224 1.61 169.4 177.67 -7.33S 32 0 0 69 4 42.1 22 16 41 32 225 1.62 169.4 177.69 -7.34S 32 15 0 69 4 30.3 22 16 50 32 225 1.62 169.4 177.70 -7.36S 32 30 0 69 4 17.5 22 16 59 32 225 1.62 169.4 177.72 -7.38S 32 45 0 69 4 3.7 22 17 8 32 226 1.63 169.5 177.73 -7.39S 33 0 0 69 3 49.1 22 17 17 31 226 1.63 169.5 177.75 -7.41S 33 15 0 69 3 33.5 22 17 26 31 226 1.64 169.5 177.77 -7.43S 33 30 0 69 3 16.9 22 17 35 31 226 1.64 169.5 177.78 -7.44S 33 45 0 69 2 59.4 22 17 44 31 227 1.65 169.5 177.80 -7.46S 34 0 0 69 2 41.0 22 17 53 31 227 1.65 169.5 177.82 -7.47S 34 15 0 69 2 21.7 22 18 2 31 227 1.66 169.6 177.83 -7.49S 34 30 0 69 2 1.4 22 18 11 31 228 1.66 169.6 177.85 -7.51S 34 45 0 69 1 40.1 22 18 19 31 228 1.67 169.6 177.86 -7.52S 35 0 0 69 1 18.0 22 18 28 31 228 1.67 169.6 177.88 -7.54S 35 15 0 69 0 54.9 22 18 37 31 229 1.68 169.6 177.90 -7.55S 35 30 0 69 0 30.8 22 18 46 31 229 1.68 169.6 177.91 -7.57S 35 45 0 69 0 5.8 22 18 55 31 229 1.69 169.7 177.93 -7.59S 36 0 0 68 59 39.9 22 19 4 31 230 1.69 169.7 177.94 -7.60S 36 15 0 68 59 13.0 22 19 12 31 230 1.70 169.7 177.96 -7.62S 36 30 0 68 58 45.2 22 19 21 30 230 1.70 169.7 177.98 -7.63S 36 45 0 68 58 16.5 22 19 30 30 231 1.71 169.7 177.99 -7.65S 37 0 0 68 57 46.8 22 19 39 30 231 1.71 169.7 178.01 -7.67S 37 15 0 68 57 16.2 22 19 47 30 231 1.72 169.8 178.02 -7.68S 37 30 0 68 56 44.7 22 19 56 30 231 1.72 169.8 178.04 -7.70S 37 45 0 68 56 12.2 22 20 5 30 232 1.73 169.8 178.06 -7.71S 38 0 0 68 55 38.7 22 20 13 30 232 1.73 169.8 178.07 -7.73S 38 15 0 68 55 4.4 22 20 22 30 232 1.74 169.8 178.09 -7.75S 38 30 0 68 54 29.0 22 20 31 30 233 1.74 169.8 178.10 -7.76S 38 45 0 68 53 52.8 22 20 39 30 233 1.75 169.8 178.12 -7.78S 39 0 0 68 53 15.6 22 20 48 30 233 1.75 169.9 178.14 -7.79S 39 15 0 68 52 37.4 22 20 56 30 234 1.76 169.9 178.15 -7.81S 39 30 0 68 51 58.3 22 21 5 30 234 1.76 169.9 178.17 -7.83S 39 45 0 68 51 18.3 22 21 14 29 234 1.77 169.9 178.18 -7.84S 40 0 0 68 50 37.3 22 21 22 29 235 1.78 169.9 178.20 -7.86S 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 3 meters [CHARM/CADARS, 3 measures] 671 is variable: 671 = tet 2 Tau, 3.35 to 3.42, V, Type DSCTC+E:, Period 0.07564 days 671 is quadruple: Aa,Ab 3.7 4.9 0.021" 56.6 (MKT 13) Graze path of Ab approximately 0.0 km south, and 0.0 secs later compared to Aa - refer to graze profile for exact distances AC 3.8 12.0 266" 75.0 (BPMA 7) Graze path of C approximately 55.8 km south, and 493.8 secs later compared to A - refer to graze profile for exact distances AB 3.4 3.9 341" 347.0 (STFA 10) Graze path of B approximately 1042.1 km south, and 21.1 secs earlier compared to A - refer to graze profile for exact distances Librations Long -4.11 Lat +6.99 P +176.68 D +7.04 Illumination of moon 93%+ Elongation of Moon 148 Vertical Profile Scale approx. 2.88 km/arcsec at mean distance of moon Horizontal Scale Factor 1.87 deg/min At longitude 25.00: Limiting Magnitudes for various telescope apertures (in cm) CA\Tdia 5 10 15 20 25 30 35 -10.9 2.4 3.8 4.5 4.9 5.2 5.4 5.5 -8.9 2.4 3.8 4.5 4.9 5.2 5.4 5.5 -6.9 2.4 3.8 4.5 4.9 5.2 5.4 5.5 -4.9 2.4 3.8 4.5 4.9 5.2 5.4 5.5 -2.9 2.4 3.8 4.5 4.9 5.2 5.4 5.5 ------------------------------------------------------------------------------ Double star catalogue details WDS entries RA Dec Name Y1 Y2 N PA PA Sep Sep M1 M2 04287+1552MKT 13Aa,Ab 1989 1998 34 8 334 0.0 0.0 3.74 4.86 A7III +109-027 +15 632 NO 042839.74+155215.2 04287+1552STFA 10AB 1800 2011 41 346 347 340.0 341.2 3.41 3.94 A7III +108-027 +105-015 +15 632 NZD 042839.74+155215.2 ------------------------------------------------ Interferometric catalogue entries 042839.74+155215.2 HR 1412 MKT 13Aa,Ab HD 28319 HIP 20894 04287+1552 N O Date PA Sep M1 M2 1976.041 . . < 0.035 . . . . . 552 20 3.8 1 Hrt1984 Sc 1978.7418 . . < 0.035 . . . . . 550 ? 3.6 1 Bnu1980b S 1979.6968 V 77.8 . 0.0113 0.0003 . . 0.61 0.19 467 16 . 1 Evn1981 O 1979.6968 V 77.8 . 0.0113 0.0003 . . 0.96 0.17 547 24 . 1 Evn1981 O 1979.6969 V252.6 . . . . . . . . 1 Pts1981a O 1980.0711 V353. . 0.0083 . . . 0.7 0.1 . 1 Evn1983b O 1980.0714 V327.8 . 0.0151 0.0007 . . 0.71 0.06 426 94 . 1 Cun1982 O 1980.5951 V 19.6 . 0.0208 0.0002 . . 1.04 0.06 790 60 . 1 Pts1981a O 1980.5951 V 19.6 . 0.0208 0.0002 . . 1.07 0.04 440 50 . 1 Pts1981a O 1980.5951 V 19.6 . 0.0208 0.0002 . . 1.18 0.05 630 60 . 1 Pts1981a O 1980.718 . . < 0.030 . . . . . 470 3.8 1 Hrt1984 Sc 1982.7556 . . < 0.030 . . . . . 3.8 1 Msn1996b Sc 1982.7611 . . < 0.030 . . . . . 3.8 1 Msn1996b Sc 1982.7638 . . < 0.030 . . . . . 3.8 1 Msn1996b Sc 1982.7666 . . < 0.030 . . . . . 3.8 1 Msn1996b Sc 1983.0478 . . < 0.030 . . . . . 549 22 3.8 1 Msn1996b Sc 1984.0527 . . < 0.030 . . . . . 549 22 3.8 1 Msn1996b Sc 1984.0582 . . < 0.030 . . . . . 549 22 3.8 1 Msn1996b Sc 1984.0609 . . < 0.030 . . . . . 549 22 3.8 1 Msn1996b Sc 1985.8383 . . < 0.030 . . . . . 549 22 3.8 1 Msn1996b Sc 1988.9095 . . < 0.078 . . . . . 549 22 1.8 1 McA1997 Sc 1988.9095 . . < 0.065 . . . . . 467 16 1.8 1 McA1997 Sc 1989.6738 7.88 . 0.02124 . . . . . 31.5 1 MkT2006 Km 1989.7011 15.16 . 0.02438 . . . . . 8.2 1 MkT2006 Km 1989.7231 23.62 . 0.02602 . . . . . 23.1 1 MkT2006 Km 1989.7258 22.37 . 0.02594 . . . . . 23.1 1 MkT2006 Km 1989.7614 28.88 . 0.02634 . . . . . 31.5 1 MkT2006 Km 1989.7641 30.15 . 0.02667 . . . . . 31.5 1 MkT2006 Km 1989.7668 33.32 . 0.02744 . . . . . 31.5 1 MkT2006 Km 1989.7859 34.93 . 0.02638 . . . . . 8.2 1 MkT2006 Km 1989.7996 38.83 . 0.02618 . . . . . 15.2 1 MkT2006 Km 1989.8216 43.33 . 0.02511 . . . . . 15.2 1 MkT2006 Km 1989.8244 44.61 . 0.02545 . . . . . 15.2 1 MkT2006 Km 1989.8352 46.47 . 0.02403 . . . . . 15.2 1 MkT2006 Km 1989.8379 47.62 . 0.02403 . . . . . 27.0 1 MkT2006 Km 1989.8404 44.50 . 0.02283 . . . . . 27.0 1 MkT2006 Km 1989.8486 50.74 . 0.02322 . . . . . 23.3 1 MkT2006 Km 1989.9280 84.87 . 0.01392 . . . . . 8.2 1 MkT2006 Km 1990. . . . . . . 1.05 0.05 500 31.5 1 MkT2006 Km 1990. . . . . . . 1.12 0.03 550 31.5 1 MkT2006 Km 1990. . . . . . . 1.16 0.03 700 31.5 1 MkT2006 Km 1990. . . . . . . 1.14 0.05 800 31.5 1 MkT2006 Km 1990.7032 88.52 . 0.01414 . . . . . 15.4 1 MkT2006 Km 1990.7086 93.85 . 0.01400 . . . . . 27.0 1 MkT2006 Km 1990.8096 359.06 . 0.01777 . . . . . 23.6 1 MkT2006 Km 1990.8155 2.80 . 0.01881 . . . . . 27.6 1 MkT2006 Km 1990.8236 6.12 . 0.02023 . . . . . 31.5 1 MkT2006 Km 1990.9356 33.83 . 0.02653 . . . . . 31.5 1 MkT2006 Km 1990.9383 34.39 . 0.02649 . . . . . 31.5 1 MkT2006 Km 1991.7135 35.05 . 0.02626 . . . . . 27.0 1 MkT2006 Km 1991.7983 57.32 . 0.02086 . . . . . 15.2 1 MkT2006 Km 1991.8010 58.20 . 0.02056 . . . . . 15.2 1 MkT2006 Km 1991.8366 73.88 . 0.01708 . . . . . 15.2 1 MkT2006 Km 1991.8992 . . < 0.030 . . . . . 549 22 3.8 2 Msn1993a Sc 1991.9214 250.21 . 0.00462 . . . . . 27.6 1 MkT2006 Km 1991.9239 274.87 . 0.00469 . . . . . 27.6 1 MkT2006 Km 1991.9319 323.65 . 0.00689 . . . . . 15.2 1 MkT2006 Km 1993.9176 . . < 0.048 . . . . . 549 22 2.5 1 Msn1996b Sc 1994.976 . . < 0.05 . . . >4.0 . 2200 400 5.1 1 Pat1998 Si 1997.0299 18.29 . 0.02493 . . . . . 37.5 1 NOI2006 Kn 1997.7885 15.17 . 0.02415 . . . . . 37.5 1 NOI2006 Kn 1998.0620 134.44 . 0.00892 . . . . . 37.5 1 NOI2006 Kn 1998.8701 333.92 . 0.00916 . . . . . 37.5 1 NOI2006 Kn 2005.8688 . . < 0.036 . . . . . 550 24 3.8 1 Msn2009 Su 2008.7676 . . < 1.0 . . . > 6.07 . 657 5 4.1 1 Tok2010 S 2008.7676 . . < 0.15 . . . > 3.34 . 657 5 4.1 1 Tok2010 S 2010.096 . . < 0.13 . 2.88 0.26 . . 2200 340 3.6 1 DRs2011 A 042839.74+155215.2 HR 1412 STFA 10AB HD 28319 HIP 20894 04287+1552 N Date PA Sep M1 M2 1991.25 347.0 . 337.164 . 3.40 . 3.84 . 550 0.3 1 HIP1997b Hh 1991.58 347.0 . 337.16 . 3.407 0.009 3.936 0.009 530 100 1.4 1 TYC2002 Ht 1991.58 . . . . 3.623 0.014 5.039 0.014 430 90 1.4 1 TYC2002 Ht ------------------------------------------------ AAVSO Variable star entry Variable identifier Type Max Min Ph Epoch Period tet 2 Tau DSCTC+E: 3.35 3.42 V 0.07564 ------------------------------------------------------------------------------ Results of Observer Scan UT Site Long. Lat. Dist. h m s Enontekiö 23.6 68.4 72km 22 11 26.8 Inari 27.0 68.9 20km 22 13 37.0 Ivalo 27.5 68.7 48km 22 13 56.1 Karigasniemi 25.8 69.4 36km 22 12 52.1 Kemijärvi 27.4 66.7 264km 22 13 52.4 Kilpisjärvi 20.8 69.0 10km 22 9 34.7 Kolari 23.8 67.3 190km 22 11 32.9 Kuusamo 29.2 66.0 348km 22 14 58.0 Meltaus 25.4 66.9 239km 22 12 33.6 Muonio 23.7 68.0 120km 22 11 28.3 Näätämö 29.1 69.7 63km 22 14 54.8 Nuorgam 27.9 70.1 110km 22 14 9.0 Pello 24.0 66.8 252km 22 11 39.8 Posio 28.2 66.1 331km 22 14 19.8 Ranua 26.5 65.9 350km 22 13 17.3 Rovaniemi 25.7 66.5 286km 22 12 47.6 Salla 28.7 66.8 252km 22 14 38.3 Sodankylä 26.6 67.4 186km 22 13 20.6 Tervola 24.8 66.1 330km 22 12 12.1 Tornio 24.1 65.8 355km 22 11 46.6 Tulppio 29.2 67.8 148km 22 14 58.6 Utsjoki Ailigas 27.1 69.9 89km 22 13 38.4 Vuotso 27.1 68.1 110km 22 13 40.4