Grazing Occultation of 878cF0 Magnitude 5.5 [Red = 5.3] R878 = 130 Tauri Date: 2015 Oct 31 4h 45m, to 2015 Oct 31 4h 58m 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 66 33 22 4 45 6 -11 34 230 1.46 1.3 2.53 2.52N 18 30 0 66 28 47 4 45 29 -11 34 230 1.47 1.4 2.57 2.48N 19 0 0 66 24 7 4 45 52 -11 34 231 1.48 1.4 2.60 2.45N 19 30 0 66 19 22 4 46 16 -11 34 232 1.48 1.4 2.63 2.42N 20 0 0 66 14 32 4 46 39 -10 34 233 1.49 1.5 2.67 2.38N 20 30 0 66 9 38 4 47 2 -10 34 233 1.50 1.5 2.70 2.35N 21 0 0 66 4 38 4 47 25 -10 34 234 1.51 1.5 2.74 2.32N 21 30 0 65 59 34 4 47 48 -10 33 235 1.52 1.6 2.77 2.28N 22 0 0 65 54 25 4 48 11 -9 33 235 1.53 1.6 2.80 2.25N 22 30 0 65 49 10 4 48 34 -9 33 236 1.54 1.6 2.84 2.22N 23 0 0 65 43 51 4 48 58 -9 33 237 1.54 1.7 2.87 2.18N 23 30 0 65 38 26 4 49 21 -9 33 237 1.55 1.7 2.90 2.15N 24 0 0 65 32 57 4 49 44 -8 33 238 1.56 1.7 2.94 2.12N 24 30 0 65 27 22 4 50 7 -8 32 239 1.57 1.8 2.97 2.08N 25 0 0 65 21 42 4 50 31 -8 32 239 1.58 1.8 3.00 2.05N 25 30 0 65 15 58 4 50 54 -8 32 240 1.59 1.8 3.03 2.02N 26 0 0 65 10 8 4 51 17 -7 32 241 1.60 1.9 3.07 1.98N 26 30 0 65 4 13 4 51 41 -7 32 241 1.62 1.9 3.10 1.95N 27 0 0 64 58 12 4 52 4 -7 32 242 1.63 1.9 3.13 1.92N 27 30 0 64 52 7 4 52 28 -6 31 243 1.64 2.0 3.17 1.89N 28 0 0 64 45 56 4 52 51 -6 31 243 1.65 2.0 3.20 1.85N 28 30 0 64 39 41 4 53 14 -6 31 244 1.66 2.0 3.23 1.82N 29 0 0 64 33 20 4 53 38 -6 31 245 1.67 2.1 3.26 1.79N 29 30 0 64 26 54 4 54 1 -5 31 245 1.69 2.1 3.29 1.76N 30 0 0 64 20 22 4 54 25 -5 30 246 1.70 2.1 3.33 1.73N 30 30 0 64 13 46 4 54 48 -5 30 247 1.71 2.1 3.36 1.69N 31 0 0 64 7 4 4 55 11 -5 30 247 1.73 2.2 3.39 1.66N 31 30 0 64 0 17 4 55 35 -4 30 248 1.74 2.2 3.42 1.63N 32 0 0 63 53 25 4 55 58 -4 30 249 1.75 2.2 3.45 1.60N 32 30 0 63 46 27 4 56 21 -4 29 249 1.77 2.3 3.48 1.57N 33 0 0 63 39 25 4 56 45 -3 29 250 1.78 2.3 3.51 1.54N 33 30 0 63 32 17 4 57 8 -3 29 251 1.80 2.3 3.54 1.51N 34 0 0 63 25 4 4 57 31 -3 29 251 1.82 2.4 3.58 1.48N 34 30 0 63 17 46 4 57 55 -3 29 252 1.83 2.4 3.61 1.45N 35 0 0 63 10 22 4 58 18 -2 28 253 1.85 2.4 3.64 1.42N Path coordinates are referred to WGS84 (as used by GPS), with the nominal site altitude being referenced to Mean Sea Level. Projected diameter of star 1 meters [Estimated] 878 is double: This next pair is not confirmed ** 5.6 9.0 0.030" 84.0** (OCc 986) Graze path of ? 0.01 km south, and 0.1 secs later compared to the primary C A S S I N I R E G I O N G R A Z E Librations Long +6.88 Lat +7.47 P +3.97 D -6.83 Illumination of moon 82%- Elongation of Moon 130 Vertical Profile Scale 2.95 km/arcsec at mean distance of moon Horizontal Scale Factor 1.82 deg/min At longitude 26.50: Limiting Magnitudes for various telescope apertures (in cm) CA\Tdia 5 10 15 20 25 30 35 -2.0 2.6 4.0 4.7 5.1 5.4 5.6 5.7 0.0 2.6 4.0 4.7 5.1 5.4 5.6 5.7 2.0 2.6 4.0 4.7 5.1 5.4 5.6 5.7 4.0 4.5 5.9 6.6 7.1 7.4 7.6 7.7 6.0 4.5 5.9 6.7 7.1 7.4 7.6 7.8 ------------------------------------------------------------------------------ Double star catalogue details WDS entries RA Dec Name Y1 Y2 N PA PA Sep Sep M1 M2 05474+1744OCC 986 1997 1997 0 -1 -1 0.0 0.0 5.6 9.0 -002-005 +17 1004 054726.20+174344.9 ------------------------------------------------ Interferometric catalogue entries 054726.20+174344.9 BD+17 1004 OCC 986 HD 38558 HIP 27338 05474+17 Date PA Sep M1 M2 1997. V 84. . 0.03 . 5.6 . 9.0 . . 1 OCC2002 O ------------------------------------------------------------------------------ Results of Observer Scan UT Site Long. Lat. Dist. h m s Joensuu Jakokoski 30.0 62.7 161km 4 54 24 Kajaani Lehtikangas 27.7 64.2 60km 4 52 39 Kemijärvi 27.4 66.7 180km 4 52 25 Kokkola 23.1 63.8 193km 4 49 3 Kuhmo 29.5 64.1 32km 4 54 1 Kuopio Huuhanmäki 27.6 62.9 197km 4 52 34 Kuusamo 29.2 66.0 142km 4 53 47 Meltaus 25.4 66.9 161km 4 50 48 Muonio 23.7 68.0 233km 4 49 29 Nilsiä 28.1 63.2 155km 4 52 55 Nurmes 29.1 63.5 98km 4 53 44 Oulu Puolivälikangas 25.5 65.0 23km 4 50 53 Pello 24.0 66.8 122km 4 49 42 Posio 28.2 66.1 136km 4 52 59 Pudasjärvi 27.0 65.4 39km 4 52 3 Puolanka 27.7 64.9 3km 4 52 36 Raahe 24.5 64.7 78km 4 50 6 Ranua 26.5 65.9 86km 4 51 41 Rautalampi 26.7 62.6 250km 4 51 50 Rovaniemi 25.7 66.5 127km 4 51 5 Salla 28.7 66.8 215km 4 53 22 Sodankylä 26.6 67.4 232km 4 51 45 Tervola 24.8 66.1 68km 4 50 21 Tornio 24.1 65.8 33km 4 49 51 Varkaus 27.9 62.3 251km 4 52 45 Grazing Occultation of 878cF0 Magnitude 5.5 [Red = 5.3] R878 = 130 Tauri Date: 2015 Oct 31 4h 45m, to 2015 Oct 31 4h 58m 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 66 33 22 4 45 6 -11 34 230 1.46 1.3 2.53 2.52N 18 30 0 66 28 47 4 45 29 -11 34 230 1.47 1.4 2.57 2.48N 19 0 0 66 24 7 4 45 52 -11 34 231 1.48 1.4 2.60 2.45N 19 30 0 66 19 22 4 46 16 -11 34 232 1.48 1.4 2.63 2.42N 20 0 0 66 14 32 4 46 39 -10 34 233 1.49 1.5 2.67 2.38N 20 30 0 66 9 38 4 47 2 -10 34 233 1.50 1.5 2.70 2.35N 21 0 0 66 4 38 4 47 25 -10 34 234 1.51 1.5 2.74 2.32N 21 30 0 65 59 34 4 47 48 -10 33 235 1.52 1.6 2.77 2.28N 22 0 0 65 54 25 4 48 11 -9 33 235 1.53 1.6 2.80 2.25N 22 30 0 65 49 10 4 48 34 -9 33 236 1.54 1.6 2.84 2.22N 23 0 0 65 43 51 4 48 58 -9 33 237 1.54 1.7 2.87 2.18N 23 30 0 65 38 26 4 49 21 -9 33 237 1.55 1.7 2.90 2.15N 24 0 0 65 32 57 4 49 44 -8 33 238 1.56 1.7 2.94 2.12N 24 30 0 65 27 22 4 50 7 -8 32 239 1.57 1.8 2.97 2.08N 25 0 0 65 21 42 4 50 31 -8 32 239 1.58 1.8 3.00 2.05N 25 30 0 65 15 58 4 50 54 -8 32 240 1.59 1.8 3.03 2.02N 26 0 0 65 10 8 4 51 17 -7 32 241 1.60 1.9 3.07 1.98N 26 30 0 65 4 13 4 51 41 -7 32 241 1.62 1.9 3.10 1.95N 27 0 0 64 58 12 4 52 4 -7 32 242 1.63 1.9 3.13 1.92N 27 30 0 64 52 7 4 52 28 -6 31 243 1.64 2.0 3.17 1.89N 28 0 0 64 45 56 4 52 51 -6 31 243 1.65 2.0 3.20 1.85N 28 30 0 64 39 41 4 53 14 -6 31 244 1.66 2.0 3.23 1.82N 29 0 0 64 33 20 4 53 38 -6 31 245 1.67 2.1 3.26 1.79N 29 30 0 64 26 54 4 54 1 -5 31 245 1.69 2.1 3.29 1.76N 30 0 0 64 20 22 4 54 25 -5 30 246 1.70 2.1 3.33 1.73N 30 30 0 64 13 46 4 54 48 -5 30 247 1.71 2.1 3.36 1.69N 31 0 0 64 7 4 4 55 11 -5 30 247 1.73 2.2 3.39 1.66N 31 30 0 64 0 17 4 55 35 -4 30 248 1.74 2.2 3.42 1.63N 32 0 0 63 53 25 4 55 58 -4 30 249 1.75 2.2 3.45 1.60N 32 30 0 63 46 27 4 56 21 -4 29 249 1.77 2.3 3.48 1.57N 33 0 0 63 39 25 4 56 45 -3 29 250 1.78 2.3 3.51 1.54N 33 30 0 63 32 17 4 57 8 -3 29 251 1.80 2.3 3.54 1.51N 34 0 0 63 25 4 4 57 31 -3 29 251 1.82 2.4 3.58 1.48N 34 30 0 63 17 46 4 57 55 -3 29 252 1.83 2.4 3.61 1.45N 35 0 0 63 10 22 4 58 18 -2 28 253 1.85 2.4 3.64 1.42N Path coordinates are referred to WGS84 (as used by GPS), with the nominal site altitude being referenced to Mean Sea Level. Projected diameter of star 1 meters [Estimated] 878 is double: This next pair is not confirmed ** 5.6 9.0 0.030" 84.0** (OCc 986) Graze path of ? 0.01 km south, and 0.1 secs later compared to the primary C A S S I N I R E G I O N G R A Z E Librations Long +6.88 Lat +7.47 P +3.97 D -6.83 Illumination of moon 82%- Elongation of Moon 130 Vertical Profile Scale 2.95 km/arcsec at mean distance of moon Horizontal Scale Factor 1.82 deg/min At longitude 26.50: Limiting Magnitudes for various telescope apertures (in cm) CA\Tdia 5 10 15 20 25 30 35 -2.0 2.6 4.0 4.7 5.1 5.4 5.6 5.7 0.0 2.6 4.0 4.7 5.1 5.4 5.6 5.7 2.0 2.6 4.0 4.7 5.1 5.4 5.6 5.7 4.0 4.5 5.9 6.6 7.1 7.4 7.6 7.7 6.0 4.5 5.9 6.7 7.1 7.4 7.6 7.8 ------------------------------------------------------------------------------ Double star catalogue details WDS entries RA Dec Name Y1 Y2 N PA PA Sep Sep M1 M2 05474+1744OCC 986 1997 1997 0 -1 -1 0.0 0.0 5.6 9.0 -002-005 +17 1004 054726.20+174344.9 ------------------------------------------------ Interferometric catalogue entries 054726.20+174344.9 BD+17 1004 OCC 986 HD 38558 HIP 27338 05474+17 Date PA Sep M1 M2 1997. V 84. . 0.03 . 5.6 . 9.0 . . 1 OCC2002 O ------------------------------------------------------------------------------ Results of Observer Scan UT Site Long. Lat. Dist. h m s Joensuu Jakokoski 30.0 62.7 161km 4 54 24 Kajaani Lehtikangas 27.7 64.2 60km 4 52 39 Kemijärvi 27.4 66.7 180km 4 52 25 Kokkola 23.1 63.8 193km 4 49 3 Kuhmo 29.5 64.1 32km 4 54 1 Kuopio Huuhanmäki 27.6 62.9 197km 4 52 34 Kuusamo 29.2 66.0 142km 4 53 47 Meltaus 25.4 66.9 161km 4 50 48 Muonio 23.7 68.0 233km 4 49 29 Nilsiä 28.1 63.2 155km 4 52 55 Nurmes 29.1 63.5 98km 4 53 44 Oulu Puolivälikangas 25.5 65.0 23km 4 50 53 Pello 24.0 66.8 122km 4 49 42 Posio 28.2 66.1 136km 4 52 59 Pudasjärvi 27.0 65.4 39km 4 52 3 Puolanka 27.7 64.9 3km 4 52 36 Raahe 24.5 64.7 78km 4 50 6 Ranua 26.5 65.9 86km 4 51 41 Rautalampi 26.7 62.6 250km 4 51 50 Rovaniemi 25.7 66.5 127km 4 51 5 Salla 28.7 66.8 215km 4 53 22 Sodankylä 26.6 67.4 232km 4 51 45 Tervola 24.8 66.1 68km 4 50 21 Tornio 24.1 65.8 33km 4 49 51 Varkaus 27.9 62.3 251km 4 52 45