Grazing Occultation of 2366 dM1 Magnitude 1.1v 2366 = Antares = alpha Scorpii Date 2006 July 8 (Saturday) Nominal site altitude 0m E. Longit. Latitude U.T. Sun Moon TanZ PA WA CA o ' " o ' " h m s Alt Alt Az o o o 147 0 0 -32 36 15 6 57 2 4 30 104 1.75 201.7 193.64 -18.84S 147 10 0 -32 43 39 6 57 16 3 30 104 1.74 201.7 193.64 -18.84S 147 20 0 -32 51 3 6 57 30 3 30 104 1.72 201.7 193.64 -18.84S 147 30 0 -32 58 28 6 57 45 3 30 104 1.71 201.7 193.64 -18.85S 147 40 0 -33 5 53 6 57 59 3 31 103 1.69 201.7 193.65 -18.85S 147 50 0 -33 13 18 6 58 13 2 31 103 1.68 201.7 193.65 -18.85S 148 0 0 -33 20 43 6 58 28 2 31 103 1.67 201.7 193.65 -18.85S 148 10 0 -33 28 8 6 58 42 2 31 103 1.65 201.7 193.65 -18.85S 148 20 0 -33 35 34 6 58 57 2 31 103 1.64 201.7 193.65 -18.85S 148 30 0 -33 42 59 6 59 12 2 32 103 1.62 201.7 193.65 -18.85S 148 40 0 -33 50 25 6 59 27 1 32 102 1.61 201.7 193.65 -18.85S 148 50 0 -33 57 51 6 59 42 1 32 102 1.60 201.7 193.65 -18.85S 149 0 0 -34 5 17 6 59 57 1 32 102 1.58 201.7 193.65 -18.85S 149 10 0 -34 12 43 7 0 12 1 32 102 1.57 201.7 193.65 -18.85S 149 20 0 -34 20 9 7 0 27 0 33 102 1.56 201.7 193.65 -18.85S 149 30 0 -34 27 36 7 0 42 0 33 102 1.55 201.7 193.65 -18.85S 149 40 0 -34 35 2 7 0 57 0 33 101 1.53 201.7 193.64 -18.84S 149 50 0 -34 42 28 7 1 13 0 33 101 1.52 201.7 193.64 -18.84S 150 0 0 -34 49 54 7 1 28 -1 34 101 1.51 201.7 193.64 -18.84S 150 10 0 -34 57 20 7 1 44 -1 34 101 1.50 201.7 193.64 -18.84S 150 20 0 -35 4 46 7 2 0 -1 34 101 1.49 201.7 193.63 -18.83S 150 30 0 -35 12 12 7 2 15 -1 34 100 1.47 201.7 193.63 -18.83S 150 40 0 -35 19 38 7 2 31 -1 34 100 1.46 201.7 193.63 -18.83S 150 50 0 -35 27 4 7 2 47 -2 35 100 1.45 201.7 193.62 -18.82S 151 0 0 -35 34 29 7 3 3 -2 35 100 1.44 201.7 193.62 -18.82S 151 10 0 -35 41 55 7 3 19 -2 35 100 1.43 201.7 193.61 -18.81S 151 20 0 -35 49 20 7 3 35 -2 35 99 1.42 201.7 193.61 -18.81S 151 30 0 -35 56 45 7 3 51 -3 35 99 1.41 201.7 193.60 -18.80S 151 40 1 -36 4 9 7 4 7 -3 36 99 1.40 201.7 193.60 -18.80S 151 50 1 -36 11 34 7 4 23 -3 36 99 1.39 201.7 193.59 -18.79S Path coordinates are referred to WGS84 (as used by GPS). 2366 is double : 0.9 5.4 2.5" 273.7 Graze Path of component #2 1.67km North, and 4.8 secs. earlier cf. primary. 2366 = alf Sco, 0.88 to 1.16 V , Type LC Librations Long -5.57 Lat +5.77 P +193.1 D +7.2 Illumination of moon 90%+ Elongation of Moon 144 Vertical Profile Scale 2.14 km/arcsec at mean distance of moon Horizontal Scale Factor 1.8 deg/min Limiting Magnitudes for various telescope apertures (in mm) CA\Tdia 50 100 150 200 250 300 350 -22.8 2.4 3.8 4.6 5.0 5.3 5.5 5.6 -20.8 2.4 3.8 4.6 5.0 5.3 5.5 5.6 -18.8 2.4 3.8 4.6 5.0 5.3 5.5 5.6 -16.8 2.4 3.8 4.6 5.0 5.3 5.5 5.6 -14.8 2.4 3.8 4.6 5.0 5.3 5.5 5.6