Grazing Occultation of 574 cG0 Magnitude 6.8 Date 2005 September 22 (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 -33 38 56 18 59 12 29 18 1.81 331.9 343.25 13.44N 114 10 0 -33 30 19 18 59 32 29 18 1.79 331.9 343.25 13.44N 114 20 0 -33 21 42 18 59 52 29 18 1.78 332.0 343.25 13.44N 114 30 0 -33 13 6 19 0 12 30 18 1.76 332.0 343.25 13.44N 114 40 0 -33 4 29 19 0 33 30 17 1.75 332.0 343.25 13.44N 114 50 0 -32 55 54 19 0 53 30 17 1.73 332.0 343.26 13.43N 115 0 0 -32 47 18 19 1 14 30 17 1.72 332.0 343.26 13.43N 115 10 0 -32 38 43 19 1 35 30 17 1.71 332.0 343.26 13.42N 115 20 0 -32 30 8 19 1 56 31 16 1.69 332.0 343.27 13.42N 115 30 0 -32 21 34 19 2 17 31 16 1.68 332.0 343.28 13.41N 115 40 0 -32 13 1 19 2 39 31 16 1.67 332.0 343.28 13.41N 115 50 0 -32 4 27 19 3 0 31 16 1.65 332.0 343.29 13.40N 116 0 0 -31 55 55 19 3 22 31 15 1.64 332.0 343.30 13.39N 116 10 0 -31 47 23 19 3 44 32 15 1.63 332.0 343.31 13.38N 116 20 0 -31 38 52 19 4 6 32 15 1.62 332.0 343.32 13.37N 116 30 0 -31 30 21 19 4 28 32 15 1.60 332.0 343.33 13.36N 116 40 0 -31 21 51 19 4 50 32 14 1.59 332.0 343.34 13.35N 116 50 0 -31 13 22 19 5 13 32 14 1.58 332.1 343.35 13.34N 117 0 0 -31 4 54 19 5 35 33 14 1.57 332.1 343.36 13.32N 117 10 0 -30 56 26 19 5 58 33 14 1.56 332.1 343.38 13.31N 117 20 0 -30 47 59 19 6 21 33 13 1.55 332.1 343.39 13.30N 117 30 0 -30 39 34 19 6 44 33 13 1.54 332.1 343.41 13.28N 117 40 0 -30 31 9 19 7 7 33 13 1.52 332.1 343.42 13.26N 117 50 0 -30 22 45 19 7 31 33 13 1.51 332.1 343.44 13.25N Path coordinates are referred to WGS84 (as used by GPS). 574 is double : 7.6 7.6 0.100" 90.0 Graze Path of component #2 0.13km North, and 0.2 secs. later cf. primary. Librations Long +7.24 Lat -5.73 P +342.8 D +3.7 Illumination of moon 74%- Elongation of Moon 118 Vertical Profile Scale 2.73 km/arcsec at mean distance of moon Horizontal Scale Factor 1.3 deg/min Limiting Magnitudes for various telescope apertures (in mm) CA\Tdia 50 100 150 200 250 300 350 9.2 5.5 6.9 7.7 8.1 8.5 8.7 8.9 11.2 5.5 6.9 7.7 8.2 8.5 8.7 8.9 13.2 5.5 6.9 7.7 8.2 8.5 8.7 8.9 15.2 5.5 6.9 7.7 8.2 8.5 8.7 8.9 17.2 5.5 6.9 7.7 8.2 8.5 8.8 8.9