Grazing Occultation of 2235 B9 Magnitude 6.3 Date 2006 January 24 (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 174 30 0 -37 46 19 14 3 57 17 106 3.25 204.4 192.38 12.65S 174 40 0 -37 53 34 14 4 8 17 106 3.21 204.4 192.39 12.66S 174 50 0 -38 0 52 14 4 18 18 106 3.17 204.4 192.41 12.67S 175 0 0 -38 8 11 14 4 28 18 106 3.13 204.4 192.42 12.69S 175 10 0 -38 15 32 14 4 39 18 106 3.10 204.5 192.44 12.70S 175 20 0 -38 22 55 14 4 50 18 106 3.06 204.5 192.45 12.72S 175 30 0 -38 30 20 14 5 1 18 105 3.03 204.5 192.47 12.73S 175 40 0 -38 37 47 14 5 12 18 105 2.99 204.5 192.48 12.75S 175 50 0 -38 45 16 14 5 23 19 105 2.96 204.5 192.49 12.76S 176 0 0 -38 52 47 14 5 34 19 105 2.93 204.5 192.51 12.78S 176 10 0 -39 0 19 14 5 45 19 105 2.89 204.5 192.52 12.79S 176 20 0 -39 7 54 14 5 57 19 105 2.86 204.6 192.54 12.80S 176 30 0 -39 15 30 14 6 8 19 104 2.83 204.6 192.55 12.82S 176 40 0 -39 23 9 14 6 20 20 104 2.80 204.6 192.56 12.83S 176 50 0 -39 30 49 14 6 32 20 104 2.77 204.6 192.57 12.84S 177 0 0 -39 38 31 14 6 44 20 104 2.74 204.6 192.59 12.85S 177 10 0 -39 46 15 14 6 56 20 104 2.72 204.6 192.60 12.87S Path coordinates are referred to WGS84 (as used by GPS). Librations Long -7.18 Lat +4.46 P +192.1 D +6.2 Illumination of moon 30%- Elongation of Moon 66 Vertical Profile Scale 2.77 km/arcsec at mean distance of moon Horizontal Scale Factor 2.03 deg/min Limiting Magnitudes for various telescope apertures (in mm) CA\Tdia 50 100 150 200 250 300 350 8.9 5.6 7.0 7.8 8.3 8.6 8.8 9.0 10.9 5.6 7.0 7.8 8.3 8.6 8.9 9.0 12.9 5.6 7.0 7.8 8.3 8.6 8.9 9.1 14.9 5.6 7.0 7.8 8.3 8.7 8.9 9.1 16.9 5.6 7.0 7.8 8.3 8.7 8.9 9.1