Grazing Occultation of 888cB9 Magnitude 6.0 [Red = 5.7] s Date: 2019 Jan 19 1h 55m, to 2019 Jan 19 2h 7m 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 15 0 0 64 14 50.6 1 55 15 25 264 2.16 178.2 177.45 -4.43S 15 7 30 64 12 51.7 1 55 20 25 264 2.16 178.2 177.46 -4.44S 15 15 0 64 10 52.4 1 55 25 25 265 2.17 178.2 177.47 -4.45S 15 22 30 64 8 52.8 1 55 30 25 265 2.17 178.2 177.48 -4.45S 15 30 0 64 6 52.8 1 55 35 25 265 2.18 178.2 177.49 -4.46S 15 37 30 64 4 52.4 1 55 40 25 265 2.19 178.2 177.49 -4.47S 15 45 0 64 2 51.6 1 55 45 25 265 2.19 178.2 177.50 -4.48S 15 52 30 64 0 50.5 1 55 50 24 265 2.20 178.2 177.51 -4.49S 16 0 0 63 58 49.0 1 55 55 24 265 2.20 178.2 177.52 -4.49S 16 7 30 63 56 47.2 1 56 0 24 266 2.21 178.2 177.53 -4.50S 16 15 0 63 54 44.9 1 56 5 24 266 2.22 178.2 177.53 -4.51S 16 22 30 63 52 42.4 1 56 10 24 266 2.22 178.3 177.54 -4.52S 16 30 0 63 50 39.4 1 56 15 24 266 2.23 178.3 177.55 -4.53S 16 37 30 63 48 36.1 1 56 20 24 266 2.24 178.3 177.56 -4.53S 16 45 0 63 46 32.4 1 56 25 24 266 2.24 178.3 177.57 -4.54S 16 52 30 63 44 28.3 1 56 30 24 267 2.25 178.3 177.57 -4.55S 17 0 0 63 42 23.9 1 56 35 24 267 2.26 178.3 177.58 -4.56S 17 7 30 63 40 19.1 1 56 40 24 267 2.26 178.3 177.59 -4.56S 17 15 0 63 38 14.0 1 56 45 24 267 2.27 178.3 177.60 -4.57S 17 22 30 63 36 8.5 1 56 50 24 267 2.28 178.3 177.61 -4.58S 17 30 0 63 34 2.6 1 56 55 24 267 2.28 178.3 177.61 -4.59S 17 37 30 63 31 56.4 1 57 0 24 267 2.29 178.3 177.62 -4.60S 17 45 0 63 29 49.8 1 57 5 24 268 2.30 178.3 177.63 -4.60S 17 52 30 63 27 42.9 1 57 10 23 268 2.30 178.3 177.64 -4.61S 18 0 0 63 25 35.5 1 57 15 23 268 2.31 178.4 177.64 -4.62S 18 7 30 63 23 27.8 1 57 19 23 268 2.32 178.4 177.65 -4.63S 18 15 0 63 21 19.8 1 57 24 23 268 2.33 178.4 177.66 -4.63S 18 22 30 63 19 11.4 1 57 29 23 268 2.33 178.4 177.67 -4.64S 18 30 0 63 17 2.6 1 57 34 23 268 2.34 178.4 177.68 -4.65S 18 37 30 63 14 53.5 1 57 39 23 269 2.35 178.4 177.68 -4.66S 18 45 0 63 12 44.0 1 57 44 23 269 2.36 178.4 177.69 -4.67S 18 52 30 63 10 34.1 1 57 49 23 269 2.36 178.4 177.70 -4.67S 19 0 0 63 8 23.9 1 57 54 23 269 2.37 178.4 177.71 -4.68S 19 7 30 63 6 13.3 1 57 59 23 269 2.38 178.4 177.71 -4.69S 19 15 0 63 4 2.3 1 58 4 23 269 2.39 178.4 177.72 -4.70S 19 22 30 63 1 51.0 1 58 9 23 269 2.39 178.4 177.73 -4.70S 19 30 0 62 59 39.3 1 58 13 23 270 2.40 178.4 177.74 -4.71S 19 37 30 62 57 27.3 1 58 18 23 270 2.41 178.5 177.74 -4.72S 19 45 0 62 55 14.9 1 58 23 22 270 2.42 178.5 177.75 -4.73S 19 52 30 62 53 2.1 1 58 28 22 270 2.42 178.5 177.76 -4.73S 20 0 0 62 50 49.0 1 58 33 22 270 2.43 178.5 177.77 -4.74S 20 7 30 62 48 35.5 1 58 38 22 270 2.44 178.5 177.77 -4.75S 20 15 0 62 46 21.6 1 58 42 22 270 2.45 178.5 177.78 -4.76S 20 22 30 62 44 7.4 1 58 47 22 271 2.46 178.5 177.79 -4.76S 20 30 0 62 41 52.9 1 58 52 22 271 2.46 178.5 177.80 -4.77S 20 37 30 62 39 38.0 1 58 57 22 271 2.47 178.5 177.80 -4.78S 20 45 0 62 37 22.7 1 59 2 22 271 2.48 178.5 177.81 -4.79S 20 52 30 62 35 7.0 1 59 7 22 271 2.49 178.5 177.82 -4.79S 21 0 0 62 32 51.0 1 59 11 22 271 2.50 178.5 177.83 -4.80S 21 7 30 62 30 34.7 1 59 16 22 271 2.51 178.5 177.83 -4.81S 21 15 0 62 28 18.0 1 59 21 22 272 2.52 178.6 177.84 -4.82S 21 22 30 62 26 0.9 1 59 26 22 272 2.52 178.6 177.85 -4.82S 21 30 0 62 23 43.5 1 59 30 22 272 2.53 178.6 177.86 -4.83S 21 37 30 62 21 25.7 1 59 35 21 272 2.54 178.6 177.86 -4.84S 21 45 0 62 19 7.6 1 59 40 21 272 2.55 178.6 177.87 -4.85S 21 52 30 62 16 49.2 1 59 45 21 272 2.56 178.6 177.88 -4.85S 22 0 0 62 14 30.3 1 59 49 21 272 2.57 178.6 177.89 -4.86S 22 7 30 62 12 11.2 1 59 54 21 273 2.58 178.6 177.89 -4.87S 22 15 0 62 9 51.6 1 59 59 21 273 2.59 178.6 177.90 -4.88S 22 22 30 62 7 31.7 2 0 3 21 273 2.60 178.6 177.91 -4.88S 22 30 0 62 5 11.5 2 0 8 21 273 2.61 178.6 177.91 -4.89S 22 37 30 62 2 50.9 2 0 13 21 273 2.62 178.6 177.92 -4.90S 22 45 0 62 0 30.0 2 0 18 21 273 2.63 178.6 177.93 -4.90S 22 52 30 61 58 8.7 2 0 22 21 273 2.64 178.6 177.94 -4.91S 23 0 0 61 55 47.1 2 0 27 21 274 2.65 178.7 177.94 -4.92S 23 7 30 61 53 25.2 2 0 31 21 274 2.66 178.7 177.95 -4.93S 23 15 0 61 51 2.9 2 0 36 21 274 2.67 178.7 177.96 -4.93S 23 22 30 61 48 40.2 2 0 41 20 274 2.68 178.7 177.97 -4.94S 23 30 0 61 46 17.2 2 0 45 20 274 2.69 178.7 177.97 -4.95S 23 37 30 61 43 53.9 2 0 50 20 274 2.70 178.7 177.98 -4.95S 23 45 0 61 41 30.2 2 0 55 20 274 2.71 178.7 177.99 -4.96S 23 52 30 61 39 6.2 2 0 59 20 275 2.72 178.7 177.99 -4.97S 24 0 0 61 36 41.9 2 1 4 20 275 2.73 178.7 178.00 -4.98S 24 7 30 61 34 17.1 2 1 8 20 275 2.74 178.7 178.01 -4.98S 24 15 0 61 31 52.1 2 1 13 20 275 2.75 178.7 178.01 -4.99S 24 22 30 61 29 26.7 2 1 18 20 275 2.76 178.7 178.02 -5.00S 24 30 0 61 27 1.0 2 1 22 20 275 2.77 178.7 178.03 -5.00S 24 37 30 61 24 34.9 2 1 27 20 275 2.78 178.7 178.04 -5.01S 24 45 0 61 22 8.5 2 1 31 20 276 2.79 178.8 178.04 -5.02S 24 52 30 61 19 41.8 2 1 36 20 276 2.80 178.8 178.05 -5.02S 25 0 0 61 17 14.8 2 1 40 20 276 2.82 178.8 178.06 -5.03S 25 7 30 61 14 47.4 2 1 45 19 276 2.83 178.8 178.06 -5.04S 25 15 0 61 12 19.7 2 1 49 19 276 2.84 178.8 178.07 -5.05S 25 22 30 61 9 51.6 2 1 54 19 276 2.85 178.8 178.08 -5.05S 25 30 0 61 7 23.3 2 1 58 19 276 2.86 178.8 178.08 -5.06S 25 37 30 61 4 54.6 2 2 3 19 276 2.87 178.8 178.09 -5.07S 25 45 0 61 2 25.5 2 2 7 19 277 2.89 178.8 178.10 -5.07S 25 52 30 60 59 56.2 2 2 11 19 277 2.90 178.8 178.10 -5.08S 26 0 0 60 57 26.5 2 2 16 19 277 2.91 178.8 178.11 -5.09S 26 7 30 60 54 56.5 2 2 20 19 277 2.92 178.8 178.12 -5.09S 26 15 0 60 52 26.1 2 2 25 19 277 2.93 178.8 178.12 -5.10S 26 22 30 60 49 55.5 2 2 29 19 277 2.95 178.8 178.13 -5.11S 26 30 0 60 47 24.5 2 2 33 19 277 2.96 178.8 178.14 -5.11S 26 37 30 60 44 53.2 2 2 38 19 278 2.97 178.9 178.14 -5.12S 26 45 0 60 42 21.6 2 2 42 19 278 2.99 178.9 178.15 -5.13S 26 52 30 60 39 49.6 2 2 47 18 278 3.00 178.9 178.16 -5.13S 27 0 0 60 37 17.4 2 2 51 18 278 3.01 178.9 178.16 -5.14S 27 7 30 60 34 44.8 2 2 55 18 278 3.03 178.9 178.17 -5.15S 27 15 0 60 32 11.9 2 2 59 18 278 3.04 178.9 178.18 -5.15S 27 22 30 60 29 38.7 2 3 4 18 278 3.05 178.9 178.18 -5.16S 27 30 0 60 27 5.1 2 3 8 18 279 3.07 178.9 178.19 -5.16S 27 37 30 60 24 31.3 2 3 12 18 279 3.08 178.9 178.20 -5.17S 27 45 0 60 21 57.1 2 3 17 18 279 3.09 178.9 178.20 -5.18S 27 52 30 60 19 22.7 2 3 21 18 279 3.11 178.9 178.21 -5.18S 28 0 0 60 16 47.9 2 3 25 18 279 3.12 178.9 178.22 -5.19S 28 7 30 60 14 12.8 2 3 29 18 279 3.14 178.9 178.22 -5.20S 28 15 0 60 11 37.4 2 3 34 18 279 3.15 178.9 178.23 -5.20S 28 22 30 60 9 1.7 2 3 38 18 279 3.17 178.9 178.23 -5.21S 28 30 0 60 6 25.7 2 3 42 17 280 3.18 179.0 178.24 -5.22S 28 37 30 60 3 49.4 2 3 46 17 280 3.20 179.0 178.25 -5.22S 28 45 0 60 1 12.8 2 3 50 17 280 3.21 179.0 178.25 -5.23S 28 52 30 59 58 35.9 2 3 54 17 280 3.23 179.0 178.26 -5.23S 29 0 0 59 55 58.7 2 3 59 17 280 3.24 179.0 178.27 -5.24S 29 7 30 59 53 21.2 2 4 3 17 280 3.26 179.0 178.27 -5.25S 29 15 0 59 50 43.4 2 4 7 17 280 3.27 179.0 178.28 -5.25S 29 22 30 59 48 5.3 2 4 11 17 281 3.29 179.0 178.28 -5.26S 29 30 0 59 45 26.9 2 4 15 17 281 3.31 179.0 178.29 -5.27S 29 37 30 59 42 48.9 2 4 19 17 281 3.32 179.0 178.29 -5.27S 29 45 0 59 40 10.0 2 4 23 17 281 3.34 179.0 178.30 -5.28S 29 52 30 59 37 30.7 2 4 27 17 281 3.36 179.0 178.31 -5.28S 30 0 0 59 34 51.2 2 4 31 17 281 3.37 179.0 178.31 -5.29S 30 7 30 59 32 11.3 2 4 35 16 281 3.39 179.0 178.32 -5.29S 30 15 0 59 29 31.2 2 4 39 16 281 3.41 179.0 178.32 -5.30S 30 22 30 59 26 50.8 2 4 43 16 282 3.43 179.0 178.33 -5.31S 30 30 0 59 24 10.1 2 4 47 16 282 3.44 179.0 178.34 -5.31S 30 37 30 59 21 29.2 2 4 51 16 282 3.46 179.1 178.34 -5.32S 30 45 0 59 18 47.9 2 4 55 16 282 3.48 179.1 178.35 -5.32S 30 52 30 59 16 6.4 2 4 59 16 282 3.50 179.1 178.35 -5.33S 31 0 0 59 13 24.6 2 5 3 16 282 3.52 179.1 178.36 -5.33S 31 7 30 59 10 42.5 2 5 7 16 282 3.54 179.1 178.37 -5.34S 31 15 0 59 8 0.2 2 5 10 16 282 3.56 179.1 178.37 -5.35S 31 22 30 59 5 17.6 2 5 14 16 283 3.57 179.1 178.38 -5.35S 31 30 0 59 2 34.7 2 5 18 16 283 3.59 179.1 178.38 -5.36S 31 37 30 58 59 51.5 2 5 22 15 283 3.61 179.1 178.39 -5.36S 31 45 0 58 57 8.0 2 5 26 15 283 3.63 179.1 178.39 -5.37S 31 52 30 58 54 24.3 2 5 30 15 283 3.65 179.1 178.40 -5.37S 32 0 0 58 51 40.4 2 5 33 15 283 3.67 179.1 178.40 -5.38S 32 7 30 58 48 56.1 2 5 37 15 283 3.70 179.1 178.41 -5.39S 32 15 0 58 46 11.6 2 5 41 15 283 3.72 179.1 178.42 -5.39S 32 22 30 58 43 25.8 2 5 45 15 284 3.74 179.1 178.42 -5.40S 32 30 0 58 40 40.8 2 5 48 15 284 3.76 179.1 178.43 -5.40S 32 37 30 58 37 55.5 2 5 52 15 284 3.78 179.1 178.43 -5.41S 32 45 0 58 35 10.0 2 5 56 15 284 3.80 179.1 178.44 -5.41S 32 52 30 58 32 24.2 2 6 0 15 284 3.83 179.2 178.44 -5.42S 33 0 0 58 29 38.1 2 6 3 15 284 3.85 179.2 178.45 -5.42S 33 7 30 58 26 51.3 2 6 7 14 284 3.87 179.2 178.46 -5.43S 33 15 0 58 24 4.7 2 6 11 14 285 3.89 179.2 178.46 -5.44S 33 22 30 58 21 17.9 2 6 14 14 285 3.92 179.2 178.47 -5.44S 33 30 0 58 18 30.9 2 6 18 14 285 3.94 179.2 178.47 -5.45S 33 37 30 58 15 43.6 2 6 21 14 285 3.97 179.2 178.48 -5.45S 33 45 0 58 12 56.0 2 6 25 14 285 3.99 179.2 178.48 -5.46S 33 52 30 58 10 8.2 2 6 28 14 285 4.01 179.2 178.49 -5.46S 34 0 0 58 7 20.2 2 6 32 14 285 4.04 179.2 178.49 -5.47S 34 7 30 58 4 32.0 2 6 35 14 285 4.07 179.2 178.50 -5.47S 34 15 0 58 1 43.5 2 6 39 14 286 4.09 179.2 178.50 -5.48S 34 22 30 57 58 54.8 2 6 42 14 286 4.12 179.2 178.51 -5.48S 34 30 0 57 56 5.8 2 6 46 14 286 4.14 179.2 178.51 -5.49S 34 37 30 57 53 16.7 2 6 49 13 286 4.17 179.2 178.52 -5.49S 34 45 0 57 50 27.2 2 6 53 13 286 4.20 179.2 178.52 -5.50S 34 52 30 57 47 37.6 2 6 56 13 286 4.23 179.2 178.53 -5.50S 35 0 0 57 44 47.8 2 6 59 13 286 4.25 179.2 178.53 -5.51S 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 2 meters [Estimated] 888 is variable: 888 = NSV 16714, 5.97 to 6.09, V, Type RS:, Period 66.32 days, Phase 16 % 888 is double: This next pair is not confirmed ** 6.8 6.8 0.050" 350.0 (OCc1284) Graze path of ? approximately 0.2 km south, and 0.0 secs earlier compared to the primary - refer to graze profile for exact distances Librations Long -5.65 Lat +4.01 P +177.64 D +4.07 Illumination of moon 93%+ Elongation of Moon 150 Vertical Profile Scale approx. 2.87 km/arcsec at mean distance of moon Horizontal Scale Factor 2.09 deg/min At longitude 25.00: Limiting Magnitudes for various telescope apertures (in cm) CA\Tdia 5 10 15 20 25 30 35 -9.0 2.2 3.5 4.2 4.5 4.8 4.9 5.0 -7.0 2.2 3.5 4.2 4.5 4.8 4.9 5.0 -5.0 2.2 3.5 4.2 4.5 4.8 4.9 5.0 -3.0 2.2 3.5 4.2 4.5 4.8 4.9 5.0 -1.0 2.2 3.5 4.2 4.5 4.8 4.9 5.0 ------------------------------------------------------------------------------ Double star catalogue details AAVSO Variable star entry Variable identifier Type Max Min Ph Epoch Period NSV 16714 RS: 5.97 6.09 V 2453054.0000 66.32 ------------------------------------------------------------------------------ Results of Observer Scan UT Site Long. Lat. Dist. h m s Ähtäri 24.1 62.6 89km 2 1 7.0 Haapajärvi 25.3 63.7 227km 2 1 51.3 Hämeenlinna 24.4 61.0 44km 2 1 19.3 Hamina 27.2 60.6 1km 2 2 57.6 Hartola 26.0 61.6 57km 2 2 16.3 Helsinki Kaivopuisto 25.0 60.2 106km 2 1 38.3 Iisalmi 27.2 63.5 263km 2 2 57.1 Imatra 28.8 61.2 109km 2 3 50.9 Jämsä 25.2 61.9 59km 2 1 46.5 Järvenpää 25.1 60.5 72km 2 1 43.3 Jyväskylä Rihlaperä 25.7 62.2 106km 2 2 5.1 Kalajoki 23.9 64.3 233km 2 1 1.3 Kangasala 24.0 61.4 19km 2 1 3.6 Kaskinen 21.2 62.4 9km 1 59 19.8 Kaustinen 23.7 63.6 165km 2 0 52.3 Keljonlahdentie 25.7 62.2 105km 2 2 6.4 Kemiö 22.8 60.1 174km 2 0 18.3 Kokkola 23.1 63.8 174km 2 0 31.4 Kouvola 26.7 60.9 13km 2 2 39.0 Kuopio Huuhanmäki 27.6 62.9 220km 2 3 12.9 Lahti Pirttiharju 25.6 61.0 10km 2 2 1.0 Laitila 21.7 60.9 138km 1 59 37.1 Lappeenranta 28.2 61.1 76km 2 3 31.2 Loimaa 23.1 60.8 99km 2 0 28.5 Loviisa 26.2 60.5 39km 2 2 23.5 Maarianhamina 19.9 60.1 262km 1 58 30.5 Mänttä 24.6 62.0 56km 2 1 26.3 Mäntyharju 26.9 61.4 68km 2 2 46.6 Merikarvia 21.5 61.9 50km 1 59 30.3 Mikkeli Kiiskinmäki 27.2 61.7 103km 2 2 58.9 Nilsiä 28.1 63.2 260km 2 3 27.8 Oulainen 24.8 64.3 258km 2 1 32.9 Parkano 23.0 62.0 8km 2 0 27.5 Pietari 30.1 59.9 34km 2 4 33.2 Pirkkola 24.9 60.2 100km 2 1 36.5 Pori 21.8 61.5 76km 1 59 41.6 Porvoo 25.7 60.4 62km 2 2 4.9 Pyhäjärvi 26.0 63.7 240km 2 2 14.6 Rautalampi 26.7 62.6 165km 2 2 40.2 Salo 23.1 60.4 140km 2 0 31.6 Savonlinna 28.9 61.9 168km 2 3 54.2 Seinäjoki 22.8 62.8 74km 2 0 20.9 Siuntio 24.2 60.2 128km 2 1 10.8 Tallinna 24.8 59.4 184km 2 1 30.9 Tampere Kauppi 23.8 61.5 15km 2 0 56.0 Turku Isoheikkilä 22.2 60.5 161km 1 59 57.8 Ulvila Vesitorni 21.9 61.4 77km 1 59 46.3 Uusikaarlepyy 22.5 63.5 131km 2 0 8.9 Vaasa Sundom 21.6 63.0 61km 1 59 33.2 Vantaa 25.0 60.3 90km 2 1 39.3 Varkaus 27.9 62.3 177km 2 3 20.8 Viitasaari 25.9 63.1 184km 2 2 10.5 Vimpeli 23.8 63.2 135km 2 0 57.1