Grazing Occultation of 1645 F8 Magnitude 6.7 Date 2005 December 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 150 0 0 -27 5 46 15 45 42 29 65 1.81 214.4 192.88 11.78S 150 10 0 -27 10 35 15 46 7 29 64 1.79 214.4 192.95 11.85S 150 20 0 -27 15 27 15 46 32 29 64 1.78 214.5 193.02 11.92S 150 30 0 -27 20 24 15 46 57 29 64 1.77 214.6 193.10 11.99S 150 40 0 -27 25 24 15 47 23 30 64 1.75 214.6 193.17 12.06S 150 50 0 -27 30 29 15 47 49 30 63 1.74 214.7 193.24 12.13S 151 0 0 -27 35 38 15 48 14 30 63 1.73 214.8 193.31 12.20S 151 10 0 -27 40 51 15 48 41 30 63 1.72 214.9 193.38 12.28S 151 20 0 -27 46 8 15 49 7 30 63 1.70 214.9 193.45 12.35S 151 30 0 -27 51 30 15 49 34 31 63 1.69 215.0 193.52 12.42S 151 40 0 -27 56 55 15 50 0 31 62 1.68 215.1 193.59 12.49S 151 50 0 -28 2 25 15 50 27 31 62 1.67 215.1 193.67 12.56S 152 0 0 -28 7 59 15 50 55 31 62 1.66 215.2 193.74 12.63S 152 10 0 -28 13 38 15 51 22 31 62 1.65 215.3 193.81 12.70S 152 20 0 -28 19 21 15 51 50 31 61 1.64 215.4 193.88 12.77S 152 30 0 -28 25 8 15 52 18 32 61 1.62 215.4 193.95 12.84S 152 40 0 -28 31 0 15 52 46 32 61 1.61 215.5 194.02 12.91S 152 50 0 -28 36 57 15 53 14 32 61 1.60 215.6 194.09 12.99S 153 0 0 -28 42 57 15 53 43 32 60 1.59 215.6 194.16 13.06S 153 10 0 -28 49 2 15 54 12 32 60 1.58 215.7 194.23 13.13S 153 20 0 -28 55 12 15 54 41 32 60 1.57 215.8 194.30 13.20S 153 30 0 -29 1 26 15 55 10 33 59 1.56 215.8 194.37 13.27S 153 40 0 -29 7 45 15 55 39 33 59 1.55 215.9 194.44 13.34S 153 50 0 -29 14 9 15 56 9 33 59 1.54 216.0 194.51 13.41S Path coordinates are referred to WGS84 (as used by GPS). Librations Long -2.64 Lat -3.07 P +194.6 D -2.1 Illumination of moon 61%- Elongation of Moon 102 Vertical Profile Scale 3.01 km/arcsec at mean distance of moon Horizontal Scale Factor 1.41 deg/min Limiting Magnitudes for various telescope apertures (in mm) CA\Tdia 50 100 150 200 250 300 350 9.4 5.6 7.0 7.8 8.3 8.6 8.9 9.0 11.4 5.6 7.0 7.8 8.3 8.6 8.9 9.0 13.4 5.6 7.0 7.8 8.3 8.7 8.9 9.1 15.4 5.6 7.1 7.8 8.3 8.7 8.9 9.1 17.4 5.6 7.1 7.8 8.3 8.7 8.9 9.1