Grazing Occultation of 1283 A0 Magnitude 7.0 Date 2006 May 4 (Thursday) 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 114 0 0 -30 24 1 11 33 42 32 338 1.59 32.1 18.54 18.28N 114 10 0 -30 32 58 11 34 4 32 337 1.60 32.0 18.52 18.26N 114 20 0 -30 41 54 11 34 26 32 337 1.61 32.0 18.51 18.25N 114 30 0 -30 50 50 11 34 48 32 337 1.63 32.0 18.50 18.24N 114 40 0 -30 59 45 11 35 9 31 337 1.64 32.0 18.48 18.22N 114 50 0 -31 8 40 11 35 31 31 337 1.66 32.0 18.47 18.21N 115 0 0 -31 17 34 11 35 52 31 336 1.67 32.0 18.45 18.19N 115 10 0 -31 26 27 11 36 13 31 336 1.69 32.0 18.44 18.18N 115 20 0 -31 35 20 11 36 33 30 336 1.70 31.9 18.42 18.16N 115 30 0 -31 44 12 11 36 54 30 336 1.72 31.9 18.41 18.15N 115 40 0 -31 53 3 11 37 14 30 336 1.73 31.9 18.39 18.13N 115 50 0 -32 1 53 11 37 35 30 335 1.75 31.9 18.37 18.11N 116 0 0 -32 10 43 11 37 55 30 335 1.76 31.9 18.36 18.09N 116 10 0 -32 19 31 11 38 14 29 335 1.78 31.9 18.34 18.08N 116 20 0 -32 28 19 11 38 34 29 335 1.79 31.8 18.32 18.06N 116 30 0 -32 37 6 11 38 54 29 335 1.81 31.8 18.30 18.04N 116 40 0 -32 45 52 11 39 13 29 334 1.83 31.8 18.28 18.02N 116 50 0 -32 54 37 11 39 32 28 334 1.84 31.8 18.26 18.00N 117 0 0 -33 3 21 11 39 51 28 334 1.86 31.8 18.24 17.98N 117 10 0 -33 12 5 11 40 9 28 334 1.88 31.7 18.22 17.96N 117 20 0 -33 20 47 11 40 28 28 334 1.90 31.7 18.20 17.93N 117 30 0 -33 29 28 11 40 46 28 333 1.91 31.7 18.17 17.91N 117 40 0 -33 38 8 11 41 5 27 333 1.93 31.7 18.15 17.89N 117 50 0 -33 46 48 11 41 23 27 333 1.95 31.6 18.13 17.87N Path coordinates are referred to WGS84 (as used by GPS). Librations Long +3.84 Lat -6.31 P +17.7 D +7.5 Illumination of moon 43%+ Elongation of Moon 81 Vertical Profile Scale 2.46 km/arcsec at mean distance of moon Horizontal Scale Factor 1.36 deg/min Limiting Magnitudes for various telescope apertures (in mm) CA\Tdia 50 100 150 200 250 300 350 13.9 5.7 7.1 7.9 8.4 8.7 9.0 9.2 15.9 5.7 7.1 7.9 8.4 8.7 9.0 9.2 17.9 5.7 7.1 7.9 8.4 8.8 9.0 9.2 19.9 5.7 7.1 7.9 8.4 8.8 9.0 9.2 21.9 5.7 7.1 7.9 8.4 8.8 9.0 9.2