Grazing Occultation of 1271cA5 Magnitude 5.9 [Red = 5.8] R1271 = 29 Cancri Date: 2016 Mar 18 19h 13m, to 2016 Mar 18 19h 40m 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 61 34 33.1 19 13 0 42 170 1.09 192.6 177.54 -2.03S 15 30 0 61 30 35.9 19 13 36 43 171 1.09 192.7 177.60 -2.09S 16 0 0 61 26 32.8 19 14 12 43 172 1.08 192.8 177.65 -2.14S 16 30 0 61 22 23.9 19 14 48 43 173 1.08 192.8 177.71 -2.20S 17 0 0 61 18 9.0 19 15 24 43 174 1.08 192.9 177.76 -2.25S 17 30 0 61 13 48.1 19 16 1 43 175 1.07 192.9 177.82 -2.31S 18 0 0 61 9 21.2 19 16 38 43 175 1.07 193.0 177.88 -2.36S 18 30 0 61 4 48.3 19 17 15 43 176 1.07 193.0 177.93 -2.42S 19 0 0 61 0 9.2 19 17 52 43 177 1.06 193.1 177.99 -2.47S 19 30 0 60 55 23.9 19 18 30 43 178 1.06 193.1 178.04 -2.53S 20 0 0 60 50 32.4 19 19 8 43 179 1.05 193.2 178.10 -2.59S 20 30 0 60 45 34.7 19 19 46 44 180 1.05 193.3 178.16 -2.64S 21 0 0 60 40 30.7 19 20 24 44 181 1.05 193.3 178.21 -2.70S 21 30 0 60 35 20.3 19 21 3 44 182 1.05 193.4 178.27 -2.76S 22 0 0 60 30 3.5 19 21 42 44 182 1.04 193.4 178.32 -2.81S 22 30 0 60 24 40.3 19 22 21 44 183 1.04 193.5 178.38 -2.87S 23 0 0 60 19 10.6 19 23 0 44 184 1.04 193.5 178.44 -2.92S 23 30 0 60 13 34.4 19 23 40 44 185 1.04 193.6 178.49 -2.98S 24 0 0 60 7 51.6 19 24 19 44 186 1.03 193.7 178.55 -3.04S 24 30 0 60 2 2.2 19 24 59 44 187 1.03 193.7 178.61 -3.09S 25 0 0 59 56 6.1 19 25 40 44 188 1.03 193.8 178.66 -3.15S 25 30 0 59 50 3.4 19 26 20 44 189 1.03 193.8 178.72 -3.21S 26 0 0 59 43 53.8 19 27 1 44 190 1.03 193.9 178.78 -3.26S 26 30 0 59 37 37.5 19 27 43 44 191 1.02 193.9 178.83 -3.32S 27 0 0 59 31 14.3 19 28 24 44 192 1.02 194.0 178.89 -3.38S 27 30 0 59 24 44.3 19 29 6 44 193 1.02 194.0 178.94 -3.43S 28 0 0 59 18 7.3 19 29 48 44 193 1.02 194.1 179.00 -3.49S 28 30 0 59 11 23.3 19 30 30 44 194 1.02 194.2 179.06 -3.54S 29 0 0 59 4 32.3 19 31 12 44 195 1.02 194.2 179.11 -3.60S 29 30 0 58 57 34.3 19 31 55 44 196 1.02 194.3 179.17 -3.66S 30 0 0 58 50 29.2 19 32 38 44 197 1.02 194.3 179.23 -3.71S 30 30 0 58 43 16.9 19 33 21 45 198 1.02 194.4 179.28 -3.77S 31 0 0 58 35 57.5 19 34 5 45 199 1.02 194.4 179.34 -3.82S 31 30 0 58 28 30.9 19 34 49 45 200 1.02 194.5 179.39 -3.88S 32 0 0 58 20 57.1 19 35 33 44 201 1.02 194.6 179.45 -3.93S 32 30 0 58 13 16.0 19 36 17 44 202 1.02 194.6 179.50 -3.99S 33 0 0 58 5 27.6 19 37 1 44 203 1.02 194.7 179.56 -4.04S 33 30 0 57 57 32.0 19 37 46 44 204 1.02 194.7 179.61 -4.10S 34 0 0 57 49 28.9 19 38 31 44 205 1.02 194.8 179.67 -4.15S 34 30 0 57 41 18.6 19 39 16 44 206 1.02 194.8 179.72 -4.21S 35 0 0 57 33 0.8 19 40 2 44 207 1.02 194.9 179.77 -4.26S 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. 1271 is double: This next pair is not confirmed ** 6.2 7.0 0.050" 350.0 (OCc 554) Graze path of ? 0.12 km south, and 0.0 secs earlier compared to the primary Librations Long +6.46 Lat +5.55 P +179.32 D +5.95 Illumination of moon 80%+ Elongation of Moon 127 Vertical Profile Scale approx. 2.65 km/arcsec at mean distance of moon Horizontal Scale Factor 1.53 deg/min At longitude 25.00: Limiting Magnitudes for various telescope apertures (in cm) CA\Tdia 5 10 15 20 25 30 35 -7.2 2.7 4.1 4.9 5.3 5.6 5.8 6.0 -5.2 2.7 4.1 4.9 5.3 5.6 5.8 6.0 -3.2 2.7 4.1 4.9 5.3 5.6 5.8 6.0 -1.2 2.7 4.1 4.9 5.3 5.6 5.8 6.0 0.8 2.7 4.1 4.9 5.3 5.6 5.8 6.0 ------------------------------------------------------------------------------ Double star catalogue details WDS entries RA Dec Name Y1 Y2 N PA PA Sep Sep M1 M2 08286+1413OCC 554 1978 1978 0 -1 -1 0.1 0.1 6.2 7.0 A7V -014-013 082837.35+141239.1 ------------------------------------------------ Interferometric catalogue entries 082837.35+141239.1 29 Cnc OCC 554 HD 71555 HIP 41578 08286+14 Date PA Sep M1 M2 1978. V . . 0.05 . 6.2 . 7.0 . . 1 OCC2002 O 1988.168 . . < 0.038 . . . . . 549 22 3.6 1 McA1993 S ------------------------------------------------------------------------------ Results of Observer Scan UT Site Long. Lat. Dist. h m s Ähtäri 24.1 62.6 250km 19 24 27 Artjärvi Tähtikallio 26.2 60.7 106km 19 27 19 Forssa 23.6 60.8 62km 19 23 50 Hämeenlinna 24.4 61.0 97km 19 24 54 Hamina 27.2 60.6 111km 19 28 41 Hartola 26.0 61.6 188km 19 27 3 Helsinki Kaivopuisto 25.0 60.2 22km 19 25 36 Imatra 28.8 61.2 210km 19 30 53 Järvenpää 25.1 60.5 58km 19 25 47 Jyväskylä Rihlaperä 25.7 62.2 247km 19 26 37 Kangasala 24.0 61.4 130km 19 24 19 Kemiö 22.8 60.1 22km 19 22 42 Lahti Pirttiharju 25.6 61.0 119km 19 26 28 Lappeenranta 28.2 61.1 181km 19 30 3 Loviisa 26.2 60.5 78km 19 27 20 Maarianhamina 19.9 60.1 78km 19 19 4 Merikarvia 21.5 61.9 132km 19 21 3 Mikkeli Kiiskinmäki 27.2 61.7 223km 19 28 44 Pirkkola 24.9 60.2 29km 19 25 32 Pori 21.8 61.5 99km 19 21 26 Porvoo 25.7 60.4 60km 19 26 37 Salo 23.1 60.4 9km 19 23 10 Tallinna 24.8 59.4 60km 19 25 20 Tampere Kauppi 23.8 61.5 138km 19 24 3 Turku Isoheikkilä 22.2 60.5 1km 19 21 59 Ulvila Vesitorni 21.9 61.4 95km 19 21 36