Grazing Occultation of 3385 F8 Magnitude 6.7 Date 2007 July 5 (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 175 0 0 -40 24 2 12 16 21 23 76 2.38 329.0 350.45 7.78N 175 10 0 -40 22 45 12 16 29 23 76 2.36 329.0 350.42 7.81N 175 20 0 -40 21 26 12 16 37 23 76 2.34 329.0 350.38 7.85N 175 30 0 -40 20 7 12 16 44 23 76 2.32 328.9 350.34 7.89N 175 40 0 -40 18 47 12 16 52 23 76 2.31 328.9 350.30 7.93N 175 50 0 -40 17 25 12 17 0 24 76 2.29 328.9 350.26 7.97N 176 0 0 -40 16 3 12 17 8 24 75 2.27 328.8 350.22 8.02N 176 10 0 -40 14 40 12 17 16 24 75 2.26 328.8 350.18 8.06N 176 20 0 -40 13 15 12 17 24 24 75 2.24 328.7 350.14 8.10N 176 30 0 -40 11 50 12 17 32 24 75 2.22 328.7 350.10 8.14N 176 40 0 -40 10 24 12 17 40 24 75 2.21 328.7 350.06 8.18N 176 50 0 -40 8 56 12 17 49 25 75 2.19 328.6 350.02 8.22N 177 0 0 -40 7 28 12 17 57 25 75 2.18 328.6 349.97 8.26N 177 10 0 -40 5 58 12 18 5 25 74 2.16 328.5 349.93 8.30N 177 20 0 -40 4 28 12 18 14 25 74 2.15 328.5 349.89 8.35N Path coordinates are referred to WGS84 (as used by GPS). Librations Long -2.80 Lat -0.99 P +349.9 D +1.7 Illumination of moon 73%- Elongation of Moon 118 Vertical Profile Scale 1.91 km/arcsec at mean distance of moon Horizontal Scale Factor 1.75 deg/min Limiting Magnitudes for various telescope apertures (in mm) CA\Tdia 50 100 150 200 250 300 350 4.3 4.5 5.9 6.6 7.0 7.3 7.5 7.6 6.3 5.0 6.4 7.2 7.6 7.9 8.1 8.2 8.3 5.3 6.7 7.4 7.9 8.2 8.4 8.5 10.3 5.3 6.7 7.5 7.9 8.2 8.4 8.5 12.3 5.3 6.7 7.5 7.9 8.2 8.4 8.6