Grazing Occultation of 2271cK0 Magnitude 4.1 [Red = 3.6] R2271 = theta Librae Date: 2016 Jan 06 6h 49m, to 2016 Jan 06 6h 50m 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 34 30 0 56 55 30.1 6 49 28 2 16 183 3.39 192.9 180.33 -2.67S 34 0 0 57 8 31.8 6 48 47 2 16 183 3.44 193.0 180.37 -2.63S 33 30 0 57 21 49.3 6 48 5 2 16 182 3.48 193.0 180.42 -2.59S 33 0 0 57 35 22.2 6 47 25 1 16 181 3.53 193.1 180.46 -2.55S 32 30 0 57 49 10.1 6 46 45 1 16 181 3.59 193.1 180.49 -2.51S 32 0 0 58 3 12.6 6 46 5 0 15 180 3.64 193.1 180.53 -2.48S 31 30 0 58 17 29.6 6 45 27 0 15 179 3.70 193.2 180.56 -2.45S 31 0 0 58 31 56.7 6 44 48 -1 15 179 3.77 193.2 180.59 -2.42S 30 30 0 58 46 40.9 6 44 11 -1 15 178 3.84 193.2 180.62 -2.39S 30 0 0 59 1 38.4 6 43 34 -1 14 178 3.91 193.2 180.64 -2.37S 29 30 0 59 16 48.7 6 42 58 -2 14 177 3.99 193.3 180.66 -2.34S 29 0 0 59 32 11.6 6 42 22 -2 14 176 4.07 193.3 180.68 -2.32S 28 30 0 59 47 46.6 6 41 48 -3 14 176 4.16 193.3 180.70 -2.30S 28 0 0 60 3 33.5 6 41 14 -3 13 175 4.26 193.3 180.72 -2.29S 27 30 0 60 19 31.8 6 40 41 -3 13 174 4.36 193.3 180.73 -2.27S 27 0 0 60 35 41.3 6 40 8 -4 13 174 4.46 193.4 180.75 -2.26S 26 30 0 60 52 1.4 6 39 37 -4 12 173 4.58 193.4 180.75 -2.25S 26 0 0 61 8 32.0 6 39 6 -5 12 173 4.70 193.4 180.76 -2.24S 25 30 0 61 25 12.7 6 38 36 -5 12 172 4.83 193.4 180.77 -2.24S 25 0 0 61 42 3.3 6 38 7 -6 11 171 4.97 193.4 180.77 -2.24S 24 30 0 61 59 3.4 6 37 38 -6 11 171 5.12 193.4 180.77 -2.24S 24 0 0 62 16 12.6 6 37 11 -6 11 170 5.29 193.4 180.77 -2.24S 23 30 0 62 33 30.7 6 36 44 -7 10 170 5.46 193.4 180.77 -2.24S 23 0 0 62 50 57.5 6 36 18 -7 10 169 5.65 193.4 180.76 -2.25S 22 30 0 63 8 32.5 6 35 54 -8 10 168 5.85 193.4 180.76 -2.25S 22 0 0 63 26 15.5 6 35 30 -8 9 168 6.07 193.4 180.75 -2.26S 21 30 0 63 44 6.2 6 35 6 -8 9 167 6.31 193.3 180.74 -2.27S 21 0 0 64 2 4.3 6 34 44 -9 9 167 6.58 193.3 180.72 -2.28S 20 30 0 64 20 9.6 6 34 23 -9 8 166 6.86 193.3 180.71 -2.30S 20 0 0 64 38 22.0 6 34 2 -9 8 166 7.17 193.3 180.70 -2.31S 19 30 0 64 56 41.2 6 33 43 -10 8 165 7.52 193.3 180.68 -2.33S 19 0 0 65 15 7.0 6 33 24 -10 7 164 7.90 193.3 180.66 -2.35S 18 30 0 65 33 39.2 6 33 6 -11 7 164 8.32 193.2 180.64 -2.37S 18 0 0 65 52 17.6 6 32 49 -11 6 163 8.80 193.2 180.62 -2.39S 17 30 0 66 11 2.0 6 32 33 -11 6 163 9.33 193.2 180.59 -2.41S 17 0 0 66 29 52.2 6 32 18 -12 6 162 9.93 193.2 180.57 -2.44S 16 30 0 66 48 48.1 6 32 4 -12 5 162 10.62 193.2 180.54 -2.46S 16 0 0 67 7 49.5 6 31 51 5 161 11.41 193.1 180.52 -2.49S 15 30 0 67 26 55.9 6 31 38 5 161 12.33 193.1 180.49 -2.52S 15 0 0 67 46 7.2 6 31 27 4 160 13.42 193.1 180.46 -2.55S 15 0 0 67 46 7.2 6 31 27 4 160 13.42 193.1 180.45 -2.55S 15 30 0 67 26 55.8 6 31 38 5 161 12.34 193.1 180.50 -2.51S 16 0 0 67 7 49.5 6 31 51 5 161 11.41 193.1 180.52 -2.49S 16 30 0 66 48 48.1 6 32 4 -12 5 162 10.62 193.2 180.55 -2.46S 17 0 0 66 29 52.2 6 32 18 -12 6 162 9.93 193.2 180.57 -2.44S 17 30 0 66 11 2.0 6 32 33 -11 6 163 9.33 193.2 180.59 -2.41S 18 0 0 65 52 17.6 6 32 49 -11 6 163 8.80 193.2 180.62 -2.39S 18 30 0 65 33 39.2 6 33 6 -11 7 164 8.32 193.2 180.64 -2.37S 19 0 0 65 15 7.0 6 33 24 -10 7 164 7.90 193.3 180.66 -2.35S 19 30 0 64 56 41.2 6 33 43 -10 8 165 7.52 193.3 180.68 -2.33S 20 0 0 64 38 22.1 6 34 2 -9 8 166 7.17 193.3 180.69 -2.32S 20 30 0 64 20 9.7 6 34 23 -9 8 166 6.86 193.3 180.70 -2.30S 21 0 0 64 2 4.3 6 34 44 -9 9 167 6.58 193.3 180.72 -2.29S 21 30 0 63 44 6.2 6 35 6 -8 9 167 6.31 193.3 180.73 -2.28S 22 0 0 63 26 15.5 6 35 30 -8 9 168 6.07 193.3 180.74 -2.27S 22 30 0 63 8 32.5 6 35 54 -8 10 168 5.85 193.4 180.75 -2.26S 23 0 0 62 50 57.5 6 36 18 -7 10 169 5.65 193.4 180.76 -2.25S 23 30 0 62 33 30.7 6 36 44 -7 10 170 5.46 193.4 180.76 -2.24S 24 0 0 62 16 12.6 6 37 11 -6 11 170 5.29 193.4 180.77 -2.24S 24 30 0 61 59 3.4 6 37 38 -6 11 171 5.12 193.4 180.77 -2.24S 25 0 0 61 42 3.3 6 38 7 -6 11 171 4.97 193.4 180.77 -2.24S 25 30 0 61 25 12.7 6 38 36 -5 12 172 4.83 193.4 180.77 -2.24S 26 0 0 61 8 32.0 6 39 6 -5 12 173 4.70 193.4 180.76 -2.25S 26 30 0 60 52 1.5 6 39 37 -4 12 173 4.58 193.4 180.75 -2.25S 27 0 0 60 35 41.3 6 40 8 -4 13 174 4.46 193.4 180.74 -2.26S 27 30 0 60 19 31.9 6 40 41 -3 13 174 4.36 193.3 180.73 -2.27S 28 0 0 60 3 33.6 6 41 14 -3 13 175 4.26 193.3 180.72 -2.29S 28 30 0 59 47 46.7 6 41 48 -3 14 176 4.16 193.3 180.70 -2.30S 29 0 0 59 32 11.6 6 42 22 -2 14 176 4.07 193.3 180.69 -2.32S 29 30 0 59 16 48.7 6 42 58 -2 14 177 3.99 193.3 180.67 -2.34S 30 0 0 59 1 38.4 6 43 34 -1 14 178 3.91 193.3 180.64 -2.36S 30 30 0 58 46 40.9 6 44 11 -1 15 178 3.84 193.2 180.62 -2.39S 31 0 0 58 31 56.7 6 44 48 -1 15 179 3.77 193.2 180.59 -2.41S 31 30 0 58 17 29.6 6 45 27 0 15 179 3.70 193.2 180.56 -2.45S 32 0 0 58 3 12.6 6 46 5 0 15 180 3.64 193.1 180.53 -2.48S 32 30 0 57 49 10.1 6 46 45 1 16 181 3.59 193.1 180.49 -2.51S 33 0 0 57 35 22.2 6 47 25 1 16 181 3.53 193.1 180.46 -2.55S 33 30 0 57 21 49.3 6 48 5 2 16 182 3.48 193.0 180.42 -2.59S 34 0 0 57 8 31.8 6 48 47 2 16 183 3.44 193.0 180.38 -2.63S 34 30 0 56 55 30.1 6 49 28 2 16 183 3.39 192.9 180.34 -2.67S 35 0 0 56 42 44.4 6 50 10 3 17 184 3.35 192.9 180.29 -2.71S 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 12 meters [CHARM/CADARS, 3 measures] 2271 is double: This next pair is not confirmed ** 5.1 5.1 0.050" 196.0 (OCc 985) Graze path of ? 0.28 km north, and 0.0 secs earlier compared to the primary C A S S I N I R E G I O N G R A Z E Librations Long -4.01 Lat -5.11 P +180.80 D -4.82 Illumination of moon 15%- Elongation of Moon 45 Vertical Profile Scale approx. 5.83 km/arcsec at mean distance of moon Horizontal Scale Factor 1.65 deg/min At longitude 15.00: Limiting Magnitudes for various telescope apertures (in cm) CA\Tdia 5 10 15 20 25 30 35 -6.6 1.3 2.4 2.8 3.0 3.1 3.2 3.2 -4.6 1.3 2.4 2.8 3.0 3.1 3.2 3.2 -2.6 1.3 2.4 2.8 3.0 3.1 3.2 3.2 -0.6 1.3 2.4 2.8 3.0 3.1 3.2 3.2 1.4 3.8 5.2 5.9 6.3 6.6 6.8 7.0 ------------------------------------------------------------------------------ Double star catalogue details WDS entries RA Dec Name Y1 Y2 N PA PA Sep Sep M1 M2 15538-1644OCC 985 1997 1997 0 -1 -1 0.1 0.1 5.1 5.1 G9IIIb +101+136 -16 4174 155349.48-164346.6 ------------------------------------------------ Interferometric catalogue entries 155349.48-164346.6 BD-16 4174 OCC 985 HD 142198 HIP 77853 15538-16 Date PA Sep M1 M2 1997. V196. . 0.05 . 5.1 . 5.1 . . 1 OCC2002 O ------------------------------------------------------------------------------ Results of Observer Scan UT Site Long. Lat. Dist. h m s Ähtäri 24.1 62.6 24km 6 37 16 Artjärvi Tähtikallio 26.2 60.7 22km 6 39 19 Enontekiö 23.6 68.4 354km 6 36 51 Forssa 23.6 60.8 121km 6 36 51 Hämeenlinna 24.4 61.0 75km 6 37 34 Hamina 27.2 60.6 6km 6 40 21 Hartola 26.0 61.6 32km 6 39 7 Helsinki Kaivopuisto 25.0 60.2 116km 6 38 4 Imatra 28.8 61.2 119km 6 42 7 Järvenpää 25.1 60.5 86km 6 38 12 Joensuu Jakokoski 30.0 62.7 279km 6 43 34 Jyväskylä Rihlaperä 25.7 62.2 66km 6 38 48 Kajaani Lehtikangas 27.7 64.2 284km 6 40 56 Kangasala 24.0 61.4 62km 6 37 11 Kemiö 22.8 60.1 205km 6 36 7 Kilpisjärvi 20.8 69.0 278km 6 34 35 Kokkola 23.1 63.8 71km 6 36 25 Kuhmo 29.5 64.1 353km 6 42 59 Kuopio Huuhanmäki 27.6 62.9 191km 6 40 50 Lahti Pirttiharju 25.6 61.0 29km 6 38 41 Lappeenranta 28.2 61.1 83km 6 41 27 Loviisa 26.2 60.5 42km 6 39 19 Maarianhamina 19.9 60.1 322km 6 34 0 Meltaus 25.4 66.9 347km 6 38 28 Merikarvia 21.5 61.9 130km 6 35 7 Mikkeli Kiiskinmäki 27.2 61.7 90km 6 40 24 Muonio 23.7 68.0 334km 6 36 53 Nilsiä 28.1 63.2 231km 6 41 20 Nurmes 29.1 63.5 299km 6 42 33 Oulu Puolivälikangas 25.5 65.0 243km 6 38 35 Pello 24.0 66.8 283km 6 37 9 Pirkkola 24.9 60.2 112km 6 38 1 Pori 21.8 61.5 145km 6 35 20 Porvoo 25.7 60.4 69km 6 38 48 Pudasjärvi 27.0 65.4 324km 6 40 7 Puolanka 27.7 64.9 323km 6 40 52 Raahe 24.5 64.7 180km 6 37 37 Ranua 26.5 65.9 338km 6 39 37 Rautalampi 26.7 62.6 130km 6 39 49 Rovaniemi 25.7 66.5 338km 6 38 49 Salo 23.1 60.4 172km 6 36 25 Savonlinna 28.9 61.9 170km 6 42 14 Tallinna 24.8 59.4 182km 6 37 52 Tampere Kauppi 23.8 61.5 63km 6 37 0 Tervola 24.8 66.1 277km 6 37 55 Tornio 24.1 65.8 237km 6 37 19 Turku Isoheikkilä 22.2 60.5 204km 6 35 41 Ulvila Vesitorni 21.9 61.4 144km 6 35 26 Vaasa Sundom 21.6 63.0 44km 6 35 10 Varkaus 27.9 62.3 161km 6 41 6