Grazing Occultation of 1141dK2 Magnitude 5.5 [Red = 4.9] Date: 2016 Sep 24 22h 46m, to 2016 Sep 24 22h 52m 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 62 31 43.7 22 45 34 5 62 11.18 2.2 352.18 5.03N 15 30 0 62 42 20.8 22 45 39 5 63 10.56 2.2 352.18 5.03N 16 0 0 62 52 56.0 22 45 45 6 63 10.01 2.3 352.20 5.02N 16 30 0 63 3 29.4 22 45 51 6 64 9.52 2.3 352.21 5.01N 17 0 0 63 14 0.6 22 45 57 6 64 9.08 2.3 352.22 4.99N 17 30 0 63 24 29.7 22 46 4 7 65 8.67 2.3 352.23 4.98N 18 0 0 63 34 56.4 22 46 11 7 65 8.31 2.3 352.25 4.97N 18 30 0 63 45 20.8 22 46 18 7 66 7.97 2.3 352.26 4.95N 19 0 0 63 55 42.6 22 46 26 7 66 7.66 2.3 352.26 4.95N 19 30 0 64 6 1.9 22 46 33 8 67 7.38 2.3 352.27 4.94N 20 0 0 64 16 18.4 22 46 41 8 67 7.11 2.3 352.29 4.92N 20 30 0 64 26 32.1 22 46 49 8 68 6.87 2.4 352.30 4.91N 21 0 0 64 36 43.0 22 46 58 9 68 6.64 2.4 352.32 4.89N 21 30 0 64 46 50.8 22 47 6 9 69 6.43 2.4 352.34 4.88N 22 0 0 64 56 55.4 22 47 15 9 69 6.24 2.4 352.35 4.86N 22 30 0 65 6 56.8 22 47 24 9 70 6.05 2.4 352.37 4.85N 23 0 0 65 16 54.9 22 47 34 10 70 5.88 2.4 352.38 4.83N 23 30 0 65 26 49.5 22 47 43 10 71 5.72 2.5 352.40 4.81N 24 0 0 65 36 40.6 22 47 53 10 71 5.57 2.5 352.42 4.80N 24 30 0 65 46 28.1 22 48 3 10 72 5.42 2.5 352.43 4.78N 25 0 0 65 56 11.9 22 48 13 11 72 5.29 2.5 352.45 4.76N 25 30 0 66 5 51.9 22 48 23 11 73 5.16 2.5 352.47 4.74N 26 0 0 66 15 28.1 22 48 34 11 73 5.04 2.5 352.49 4.73N 26 30 0 66 25 0.3 22 48 45 11 74 4.92 2.6 352.51 4.71N 27 0 0 66 34 28.5 22 48 55 12 74 4.81 2.6 352.52 4.69N 27 30 0 66 43 52.5 22 49 7 12 75 4.71 2.6 352.54 4.67N 28 0 0 66 53 12.4 22 49 18 12 75 4.61 2.6 352.56 4.65N 28 30 0 67 2 28.0 22 49 29 12 76 4.52 2.6 352.58 4.63N 29 0 0 67 11 39.3 22 49 41 13 76 4.43 2.7 352.60 4.61N 29 30 0 67 20 46.1 22 49 52 13 77 4.34 2.7 352.62 4.59N 30 0 0 67 29 48.6 22 50 4 13 77 4.26 2.7 352.64 4.57N 30 30 0 67 38 46.5 22 50 16 13 78 4.18 2.7 352.66 4.55N 31 0 0 67 47 39.9 22 50 28 14 78 4.11 2.7 352.68 4.53N 31 30 0 67 56 28.6 22 50 40 14 79 4.04 2.8 352.70 4.51N 32 0 0 68 5 12.6 22 50 52 14 80 3.97 2.8 352.72 4.49N 32 30 0 68 13 51.9 22 51 5 14 80 3.90 2.8 352.74 4.47N 33 0 0 68 22 26.5 22 51 17 15 81 3.84 2.8 352.76 4.45N 33 30 0 68 30 56.2 22 51 30 15 81 3.78 2.8 352.79 4.43N 34 0 0 68 39 23.3 22 51 43 15 82 3.72 2.9 352.81 4.41N 34 30 0 68 47 43.2 22 51 56 15 82 3.67 2.9 352.83 4.39N 35 0 0 68 55 58.2 22 52 8 15 83 3.61 2.9 352.85 4.36N 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 5 meters [CHARM/CADARS, 3 measures] 1141 is double: AB 5.5 5.6" 225.0 (RBR 16) Graze path of B 14.87 km north, and 6.5 secs earlier compared to A C A S S I N I R E G I O N G R A Z E Librations Long +7.11 Lat +6.04 P +353.18 D -6.66 Illumination of moon 33%- Elongation of Moon 70 Vertical Profile Scale approx. 3.55 km/arcsec at mean distance of moon Horizontal Scale Factor 2.10 deg/min At longitude 25.00: Limiting Magnitudes for various telescope apertures (in cm) CA\Tdia 5 10 15 20 25 30 35 0.8 4.1 5.5 6.1 6.5 6.7 6.9 7.0 2.8 4.1 5.5 6.1 6.5 6.8 6.9 7.0 4.8 4.1 5.5 6.2 6.5 6.8 6.9 7.0 6.8 4.8 6.2 6.9 7.4 7.7 7.8 8.0 8.8 4.9 6.2 7.0 7.4 7.7 7.9 8.0 ------------------------------------------------------------------------------ Double star catalogue details WDS entries RA Dec Name Y1 Y2 N PA PA Sep Sep M1 M2 07318+1705RBR 16 2004 2004 1 225 225 5.6 5.6 5.5 K2III +041-075 +17 1596 073148.40+170509.8 ------------------------------------------------ Interferometric catalogue entries 073148.40+170509.8 BD+17 1596 RBR 16 HD 59686 HIP 36616 07318+17 Date PA Sep M1 M2 2004.0477 224.8 . 5.61 . . . 4.60 0.01 880 155 3.6 1 Rbr2011d A 2005.932 . . U . . 2.9 . . . 2150 331. 1 CIA2008 K 2005.959 . . U . . 2.9 . . . 2150 331. 1 CIA2008 K 2007.251 . . U . . 2.9 . . . 2150 331. 1 CIA2008 K ------------------------------------------------------------------------------ Results of Observer Scan UT Site Long. Lat. Dist. h m s Enontekiö 23.6 68.4 240km 22 47 46 Ivalo 27.5 68.7 162km 22 49 8 Kajaani Lehtikangas 27.7 64.2 235km 22 49 12 Kemijärvi 27.4 66.7 0km 22 49 5 Kokkola 23.1 63.8 133km 22 47 36 Kuusamo 29.2 66.0 115km 22 49 45 Meltaus 25.4 66.9 74km 22 48 21 Merikarvia 21.5 61.9 265km 22 47 7 Muonio 23.7 68.0 205km 22 47 47 Näätämö 29.1 69.7 204km 22 49 43 Nuorgam 27.9 70.1 266km 22 49 15 Oulu Puolivälikangas 25.5 65.0 94km 22 48 23 Pello 24.0 66.8 100km 22 47 53 Posio 28.2 66.1 73km 22 49 22 Pudasjärvi 27.0 65.4 107km 22 48 55 Puolanka 27.7 64.9 172km 22 49 11 Raahe 24.5 64.7 96km 22 48 3 Ranua 26.5 65.9 43km 22 48 45 Rovaniemi 25.7 66.5 28km 22 48 28 Salla 28.7 66.8 23km 22 49 33 Sodankylä 26.6 67.4 83km 22 48 47 Tervola 24.8 66.1 18km 22 48 9 Tornio 24.1 65.8 16km 22 47 56 Tulppio 29.2 67.8 44km 22 49 46 Utsjoki Ailigas 27.1 69.9 271km 22 48 57 Vaasa Sundom 21.6 63.0 158km 22 47 8