Grazing Occultation of 2743 cA5 Magnitude 7.6 Date 2006 January 27 (Friday) 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 174 30 0 -37 34 44 16 42 46 -9 15 113 3.63 183.3 188.71 18.03S 174 40 0 -37 40 20 16 42 51 -9 16 113 3.58 183.3 188.70 18.02S 174 50 0 -37 45 56 16 42 57 -9 16 113 3.54 183.3 188.70 18.02S 175 0 0 -37 51 31 16 43 2 -9 16 113 3.50 183.3 188.69 18.01S 175 10 0 -37 57 6 16 43 8 -9 16 113 3.46 183.3 188.68 18.00S 175 20 0 -38 2 41 16 43 13 -8 16 113 3.42 183.3 188.67 17.99S 175 30 0 -38 8 15 16 43 19 -8 16 113 3.39 183.3 188.67 17.99S 175 40 0 -38 13 50 16 43 24 -8 17 112 3.35 183.2 188.66 17.98S 175 50 0 -38 19 23 16 43 30 -8 17 112 3.31 183.2 188.65 17.97S 176 0 0 -38 24 57 16 43 36 -8 17 112 3.28 183.2 188.64 17.96S 176 10 0 -38 30 30 16 43 42 -8 17 112 3.24 183.2 188.64 17.96S 176 20 0 -38 36 3 16 43 48 -7 17 112 3.21 183.2 188.63 17.95S 176 30 0 -38 41 35 16 43 54 -7 17 112 3.17 183.2 188.62 17.94S 176 40 0 -38 47 7 16 44 0 -7 18 112 3.14 183.2 188.61 17.93S 176 50 0 -38 52 39 16 44 6 -7 18 112 3.11 183.2 188.60 17.92S 177 0 0 -38 58 10 16 44 12 -7 18 111 3.07 183.2 188.59 17.91S 177 10 0 -39 3 41 16 44 18 -7 18 111 3.04 183.2 188.58 17.90S 177 20 0 -39 9 11 16 44 24 -6 18 111 3.01 183.2 188.57 17.89S Path coordinates are referred to WGS84 (as used by GPS). 2743 is double : 7.7 8.9 0.40" 323.0 Graze Path of component #2 0.68km South, and 0.4 secs. earlier cf. primary. Librations Long -4.27 Lat +6.12 P +188.1 D +6.9 Illumination of moon 5%- Elongation of Moon 26 Vertical Profile Scale 2.11 km/arcsec at mean distance of moon Horizontal Scale Factor 2.11 deg/min Limiting Magnitudes for various telescope apertures (in mm) CA\Tdia 50 100 150 200 250 300 350 13.9 6.1 7.5 8.2 8.6 8.9 9.0 9.2 15.9 6.1 7.5 8.2 8.6 8.9 9.0 9.2 17.9 6.1 7.5 8.2 8.6 8.9 9.0 9.2 19.9 6.1 7.5 8.2 8.6 8.9 9.0 9.2 21.9 6.1 7.5 8.2 8.6 8.9 9.0 9.2