Grazing Occultation of 297 cK0 Magnitude 6.5 Date 2005 September 20 (Tuesday) 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 112 0 0 -24 11 41 17 29 31 48 24 0.91 319.0 337.76 17.90N 112 10 0 -24 2 12 17 29 58 48 24 0.90 318.9 337.74 17.92N 112 20 0 -23 52 41 17 30 25 48 23 0.90 318.9 337.71 17.95N 112 30 0 -23 43 8 17 30 53 48 23 0.89 318.9 337.69 17.97N 112 40 0 -23 33 34 17 31 21 49 23 0.88 318.9 337.66 18.00N 112 50 0 -23 23 59 17 31 49 49 22 0.87 318.8 337.63 18.02N 113 0 0 -23 14 22 17 32 17 49 22 0.87 318.8 337.61 18.05N 113 10 0 -23 4 43 17 32 46 49 22 0.86 318.8 337.59 18.07N 113 20 0 -22 55 3 17 33 14 50 21 0.85 318.8 337.56 18.09N 113 30 0 -22 45 22 17 33 43 50 21 0.84 318.7 337.54 18.12N 113 40 0 -22 35 40 17 34 12 50 21 0.84 318.7 337.52 18.14N 113 50 0 -22 25 56 17 34 41 50 20 0.83 318.7 337.50 18.16N 114 0 0 -22 16 11 17 35 10 51 20 0.82 318.7 337.48 18.18N 114 10 0 -22 6 24 17 35 40 51 20 0.81 318.7 337.45 18.21N 114 20 0 -21 56 36 17 36 9 51 19 0.81 318.6 337.43 18.23N 114 30 0 -21 46 48 17 36 39 51 19 0.80 318.6 337.41 18.24N 114 40 0 -21 36 58 17 37 9 52 19 0.79 318.6 337.40 18.26N 114 50 0 -21 27 6 17 37 39 52 18 0.79 318.6 337.38 18.28N 115 0 0 -21 17 14 17 38 10 52 18 0.78 318.6 337.36 18.30N 115 10 0 -21 7 21 17 38 40 52 18 0.77 318.6 337.35 18.31N 115 20 0 -20 57 27 17 39 11 53 17 0.77 318.5 337.33 18.33N 115 30 0 -20 47 32 17 39 41 53 17 0.76 318.5 337.32 18.34N 115 40 0 -20 37 36 17 40 12 53 16 0.75 318.5 337.30 18.35N 115 50 0 -20 27 39 17 40 44 53 16 0.75 318.5 337.29 18.36N Path coordinates are referred to WGS84 (as used by GPS). 297 is double : 7.6 7.6 0.100" 37.0 Graze Path of component #2 0.04km South, and 0.3 secs. later cf. primary. Librations Long +6.76 Lat -2.77 P +337.0 D +0.2 Illumination of moon 90%- Elongation of Moon 144 Vertical Profile Scale 2.08 km/arcsec at mean distance of moon Horizontal Scale Factor 1.38 deg/min Limiting Magnitudes for various telescope apertures (in mm) CA\Tdia 50 100 150 200 250 300 350 14.4 5.5 7.0 7.7 8.3 8.6 8.9 9.1 16.4 5.5 7.0 7.8 8.3 8.6 8.9 9.1 18.4 5.5 7.0 7.8 8.3 8.6 8.9 9.1 20.4 5.5 7.0 7.8 8.3 8.6 8.9 9.1 22.4 5.5 7.0 7.8 8.3 8.6 8.9 9.1