Grazing Occultation of 1611DG9 Magnitude 5.6 [Red = 0.0] S R1611 = 65 Leonis Date: 2014 Dec 14 1h 5m, to 2014 Dec 14 1h 17m 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 65 10 14 1 4 43 16 123 3.40 200.6 176.40 -2.52S 15 15 0 65 8 27 1 4 50 17 124 3.37 200.6 176.42 -2.49S 15 30 0 65 6 39 1 4 57 17 124 3.35 200.6 176.44 -2.47S 15 45 0 65 4 50 1 5 3 17 124 3.32 200.7 176.47 -2.45S 16 0 0 65 3 0 1 5 10 17 125 3.30 200.7 176.49 -2.43S 16 15 0 65 1 9 1 5 17 17 125 3.27 200.7 176.51 -2.41S 16 30 0 64 59 16 1 5 24 17 125 3.25 200.7 176.53 -2.38S 16 45 0 64 57 23 1 5 31 17 125 3.23 200.7 176.56 -2.36S 17 0 0 64 55 28 1 5 38 17 126 3.21 200.8 176.58 -2.34S 17 15 0 64 53 32 1 5 45 17 126 3.18 200.8 176.60 -2.32S 17 30 0 64 51 35 1 5 52 18 126 3.16 200.8 176.62 -2.29S 17 45 0 64 49 37 1 5 59 18 126 3.14 200.8 176.65 -2.27S 18 0 0 64 47 38 1 6 7 18 127 3.12 200.9 176.67 -2.25S 18 15 0 64 45 37 1 6 14 18 127 3.09 200.9 176.69 -2.23S 18 30 0 64 43 36 1 6 21 18 127 3.07 200.9 176.71 -2.20S 18 45 0 64 41 33 1 6 29 18 127 3.05 200.9 176.74 -2.18S 19 0 0 64 39 29 1 6 36 18 128 3.03 200.9 176.76 -2.16S 19 15 0 64 37 24 1 6 44 18 128 3.01 201.0 176.78 -2.13S 19 30 0 64 35 17 1 6 51 18 128 2.99 201.0 176.81 -2.11S 19 45 0 64 33 10 1 6 59 19 129 2.97 201.0 176.83 -2.09S 20 0 0 64 31 1 1 7 7 19 129 2.95 201.0 176.85 -2.07S 20 15 0 64 28 51 1 7 15 19 129 2.93 201.1 176.87 -2.04S 20 30 0 64 26 40 1 7 23 19 129 2.91 201.1 176.90 -2.02S 20 45 0 64 24 27 1 7 31 19 130 2.89 201.1 176.92 -2.00S 21 0 0 64 22 13 1 7 39 19 130 2.87 201.1 176.95 -1.97S 21 15 0 64 19 58 1 7 47 19 130 2.85 201.2 176.97 -1.95S 21 30 0 64 17 42 1 7 55 19 130 2.83 201.2 176.99 -1.92S 21 45 0 64 15 25 1 8 3 20 131 2.81 201.2 177.02 -1.90S 22 0 0 64 13 6 1 8 11 20 131 2.80 201.2 177.04 -1.88S 22 15 0 64 10 46 1 8 20 20 131 2.78 201.2 177.06 -1.85S 22 30 0 64 8 25 1 8 28 20 132 2.76 201.3 177.09 -1.83S 22 45 0 64 6 2 1 8 37 20 132 2.74 201.3 177.11 -1.80S 23 0 0 64 3 38 1 8 45 20 132 2.72 201.3 177.14 -1.78S 23 15 0 64 1 13 1 8 54 20 132 2.71 201.3 177.16 -1.76S 23 30 0 63 58 47 1 9 3 20 133 2.69 201.4 177.19 -1.73S 23 45 0 63 56 19 1 9 12 21 133 2.67 201.4 177.21 -1.71S 24 0 0 63 53 50 1 9 20 21 133 2.65 201.4 177.23 -1.68S 24 15 0 63 51 19 1 9 29 21 134 2.64 201.4 177.26 -1.66S 24 30 0 63 48 48 1 9 38 21 134 2.62 201.5 177.28 -1.63S 24 45 0 63 46 14 1 9 48 21 134 2.60 201.5 177.31 -1.61S 25 0 0 63 43 40 1 9 57 21 134 2.59 201.5 177.33 -1.58S 25 15 0 63 41 4 1 10 6 21 135 2.57 201.5 177.36 -1.56S 25 30 0 63 38 27 1 10 15 21 135 2.56 201.6 177.38 -1.53S 25 45 0 63 35 48 1 10 25 21 135 2.54 201.6 177.41 -1.51S 26 0 0 63 33 9 1 10 34 22 135 2.52 201.6 177.43 -1.48S 26 15 0 63 30 27 1 10 44 22 136 2.51 201.6 177.46 -1.46S 26 30 0 63 27 45 1 10 54 22 136 2.49 201.7 177.48 -1.43S 26 45 0 63 25 1 1 11 3 22 136 2.48 201.7 177.51 -1.41S 27 0 0 63 22 15 1 11 13 22 137 2.46 201.7 177.53 -1.38S 27 15 0 63 19 28 1 11 23 22 137 2.45 201.7 177.56 -1.36S 27 30 0 63 16 40 1 11 33 22 137 2.43 201.8 177.59 -1.33S 27 45 0 63 13 50 1 11 43 22 137 2.42 201.8 177.61 -1.30S 28 0 0 63 10 59 1 11 53 23 138 2.40 201.8 177.64 -1.28S 28 15 0 63 8 6 1 12 3 23 138 2.39 201.8 177.66 -1.25S 28 30 0 63 5 12 1 12 14 23 138 2.37 201.9 177.69 -1.23S 28 45 0 63 2 17 1 12 24 23 139 2.36 201.9 177.72 -1.20S 29 0 0 62 59 20 1 12 35 23 139 2.34 201.9 177.74 -1.17S 29 15 0 62 56 21 1 12 45 23 139 2.33 202.0 177.77 -1.15S 29 30 0 62 53 21 1 12 56 23 140 2.32 202.0 177.80 -1.12S 29 45 0 62 50 20 1 13 7 23 140 2.30 202.0 177.82 -1.09S 30 0 0 62 47 17 1 13 17 24 140 2.29 202.0 177.85 -1.07S 30 15 0 62 44 12 1 13 28 24 140 2.27 202.1 177.88 -1.04S 30 30 0 62 41 7 1 13 39 24 141 2.26 202.1 177.90 -1.01S 30 45 0 62 37 59 1 13 50 24 141 2.25 202.1 177.93 -0.99S 31 0 0 62 34 50 1 14 2 24 141 2.23 202.1 177.96 -0.96S 31 15 0 62 31 39 1 14 13 24 142 2.22 202.2 177.98 -0.93S 31 30 0 62 28 27 1 14 24 24 142 2.21 202.2 178.01 -0.91S 31 45 0 62 25 13 1 14 36 25 142 2.19 202.2 178.04 -0.88S 32 0 0 62 21 58 1 14 47 25 142 2.18 202.3 178.07 -0.85S 32 15 0 62 18 41 1 14 59 25 143 2.17 202.3 178.09 -0.82S 32 30 0 62 15 23 1 15 11 25 143 2.16 202.3 178.12 -0.80S 32 45 0 62 12 3 1 15 23 25 143 2.14 202.3 178.15 -0.77S 33 0 0 62 8 41 1 15 35 25 144 2.13 202.4 178.18 -0.74S 33 15 0 62 5 18 1 15 47 25 144 2.12 202.4 178.20 -0.71S 33 30 0 62 1 53 1 15 59 25 144 2.11 202.4 178.23 -0.68S 33 45 0 61 58 26 1 16 11 26 145 2.09 202.4 178.26 -0.66S 34 0 0 61 54 58 1 16 24 26 145 2.08 202.5 178.29 -0.63S 34 15 0 61 51 28 1 16 36 26 145 2.07 202.5 178.32 -0.60S 34 30 0 61 47 57 1 16 49 26 146 2.06 202.5 178.35 -0.57S 34 45 0 61 44 24 1 17 1 26 146 2.04 202.6 178.37 -0.54S 35 0 0 61 40 49 1 17 14 26 146 2.03 202.6 178.40 -0.51S Path coordinates are referred to WGS84 (as used by GPS), with the nominal site altitude being referenced to Mean Sea Level. 1611 is variable: 1611 = NSV 5090, 5.52, 1611 is double: Graze prediction is based on the mean position of AB 5.65 9.72 2.89" 108.7 (BU 599) Graze path of A 0.01 km north, and 0.2 secs earlier compared to prediction Graze path of B 0.37 km south, and 6.7 secs later compared to prediction AB 5.65 9.72 2.89" 108.7 (BU 599) Graze path of B 0.38 km south, and 6.9 secs later compared to A Librations Long -1.36 Lat +3.93 P +177.23 D +4.12 Illumination of moon 54%- Elongation of Moon 95 Vertical Profile Scale 2.78 km/arcsec at mean distance of moon Horizontal Scale Factor 1.62 deg/min At longitude 25.00: Limiting Magnitudes for various telescope apertures (in cm) CA\Tdia 5 10 15 20 25 30 35 -5.6 2.8 4.2 4.8 5.2 5.5 5.6 5.7 -3.6 2.8 4.2 4.8 5.2 5.5 5.6 5.7 -1.6 2.8 4.2 4.8 5.2 5.5 5.6 5.7 0.4 4.2 5.6 6.3 6.7 7.0 7.2 7.3 2.4 4.6 5.9 6.7 7.1 7.4 7.5 7.7 ------------------------------------------------------------------------------ Double star catalogue details WDS entries RA Dec Name Y1 Y2 N PA PA Sep Sep M1 M2 11069+0157BU 599 1878 1991 38 82 104 1.8 2.7 5.65 9.72 G9IIICN -390-087 -383-086 +02 2387 N 110654.20+015719.9 ------------------------------------------------ Interferometric catalogue entries 110654.43+015720.6 65 Leo BU 599A HD 96436 HIP 54336 11069+01 Date PA Sep M1 M2 N 1987.2720 . . < 0.030 . . . . . 549 22 3.8 1 McA1989 S 110654.43+015720.6 ADS 8060 BU 599AB HD 96436 HIP 54336 11069+01 Date PA Sep M1 M2 N 1991.25 104. . 2.661 . 5.695 0.003 9.717 0.130 511 222 0.3 1 HIP1997a H 1991.45 103.8 . 2.66 . 5.647 0.010 9.717 0.130 530 100 1.4 1 TYC2002 H 1991.45 . . . . 6.769 0.015 . . 430 90 1.4 1 TYC2002 H ------------------------------------------------ AAVSO Variable star entry Variable identifier Type Max Min Ph Epoch Period NSV 5090 5.52 ------------------------------------------------------------------------------ Results of Observer Scan UT Site Long. Lat. Dist. h m s Ähtäri 24.1 62.6 138km 1 9 24 Hartola 26.0 61.6 204km 1 10 35 Imatra 28.8 61.2 185km 1 12 25 Joensuu Jakokoski 30.0 62.7 6km 1 13 17 Jyväskylä Rihlaperä 25.7 62.2 142km 1 10 23 Kajaani Lehtikangas 27.7 64.2 100km 1 11 43 Kuhmo 29.5 64.1 125km 1 12 56 Kuopio Huuhanmäki 27.6 62.9 37km 1 11 39 Lappeenranta 28.2 61.1 215km 1 12 1 Mikkeli Kiiskinmäki 27.2 61.7 169km 1 11 23 Nilsiä 28.1 63.2 4km 1 11 57 Nurmes 29.1 63.5 59km 1 12 41 Oulu Puolivälikangas 25.5 65.0 142km 1 10 15 Pudasjärvi 27.0 65.4 201km 1 11 13 Puolanka 27.7 64.9 164km 1 11 40 Raahe 24.5 64.7 90km 1 9 38 Rautalampi 26.7 62.6 88km 1 11 1 Savonlinna 28.9 61.9 117km 1 12 30 Tervola 24.8 66.1 237km 1 9 50 Tornio 24.1 65.8 202km 1 9 26 Vaasa Sundom 21.6 63.0 131km 1 7 58 Varkaus 27.9 62.3 92km 1 11 48