Grazing Occultation of 143 F0 Magnitude 7.1 Date 2006 May 23 (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 171 0 0 -42 30 18 18 16 52 22 54 2.49 323.6 344.90 15.61N 171 10 0 -42 26 2 18 17 0 22 54 2.47 323.6 344.86 15.65N 171 20 0 -42 21 44 18 17 8 22 54 2.45 323.6 344.82 15.69N 171 30 0 -42 17 25 18 17 17 22 53 2.43 323.5 344.78 15.74N 171 40 0 -42 13 5 18 17 25 23 53 2.41 323.5 344.74 15.78N 171 50 0 -42 8 43 18 17 34 23 53 2.39 323.4 344.70 15.82N 172 0 0 -42 4 20 18 17 42 23 53 2.37 323.4 344.66 15.86N 172 10 0 -41 59 55 18 17 51 23 53 2.35 323.4 344.61 15.90N 172 20 0 -41 55 29 18 18 0 23 53 2.34 323.3 344.57 15.94N 172 30 0 -41 51 2 18 18 8 23 53 2.32 323.3 344.53 15.98N 172 40 0 -41 46 33 18 18 17 24 52 2.30 323.2 344.49 16.03N 172 50 0 -41 42 2 18 18 26 24 52 2.28 323.2 344.45 16.07N 173 0 0 -41 37 30 18 18 35 24 52 2.26 323.1 344.41 16.11N 173 10 0 -41 32 57 18 18 45 24 52 2.24 323.1 344.36 16.15N 173 20 0 -41 28 22 18 18 54 24 52 2.23 323.1 344.32 16.19N 173 30 0 -41 23 45 18 19 3 24 52 2.21 323.0 344.28 16.24N 173 40 0 -41 19 7 18 19 13 25 51 2.19 323.0 344.24 16.28N 173 50 0 -41 14 28 18 19 22 25 51 2.17 322.9 344.20 16.32N 174 0 0 -41 9 47 18 19 32 25 51 2.16 322.9 344.15 16.36N 174 10 0 -41 5 4 18 19 41 25 51 2.14 322.9 344.11 16.41N 174 20 0 -41 0 20 18 19 51 25 51 2.12 322.8 344.07 16.45N 174 30 0 -40 55 35 18 20 1 25 51 2.11 322.8 344.02 16.49N 174 40 0 -40 50 48 18 20 11 26 51 2.09 322.7 343.98 16.54N 174 50 0 -40 45 59 18 20 21 26 50 2.08 322.7 343.94 16.58N 175 0 0 -40 41 9 18 20 31 26 50 2.06 322.6 343.89 16.62N 175 10 0 -40 36 17 18 20 41 26 50 2.04 322.6 343.85 16.67N 175 20 0 -40 31 23 18 20 51 26 50 2.03 322.5 343.81 16.71N 175 30 0 -40 26 28 18 21 2 26 50 2.01 322.5 343.76 16.75N 175 40 1 -40 21 31 18 21 12 -12 27 50 2.00 322.5 343.72 16.80N 175 50 1 -40 16 33 18 21 23 -12 27 49 1.98 322.4 343.68 16.84N 176 0 1 -40 11 33 18 21 33 -11 27 49 1.97 322.4 343.63 16.88N 176 10 1 -40 6 32 18 21 44 -11 27 49 1.95 322.3 343.59 16.93N 176 20 1 -40 1 29 18 21 55 -11 27 49 1.94 322.3 343.54 16.97N 176 30 1 -39 56 24 18 22 6 -11 27 49 1.92 322.2 343.50 17.02N 176 40 1 -39 51 17 18 22 17 -11 28 49 1.91 322.2 343.45 17.06N 176 50 1 -39 46 9 18 22 28 -11 28 48 1.89 322.2 343.41 17.11N 177 0 1 -39 40 59 18 22 39 -10 28 48 1.88 322.1 343.37 17.15N 177 10 1 -39 35 48 18 22 51 -10 28 48 1.87 322.1 343.32 17.20N 177 20 1 -39 30 34 18 23 2 -10 28 48 1.85 322.0 343.28 17.24N 177 30 1 -39 25 19 18 23 14 -10 29 48 1.84 322.0 343.23 17.29N 177 40 1 -39 20 3 18 23 25 -10 29 48 1.82 321.9 343.20 17.32N 177 50 1 -39 14 44 18 23 37 -9 29 48 1.81 321.9 343.15 17.37N 178 0 1 -39 9 24 18 23 49 -9 29 47 1.80 321.8 343.11 17.41N Path coordinates are referred to WGS84 (as used by GPS). Librations Long +2.34 Lat -2.17 P +343.0 D +1.7 Illumination of moon 14%- Elongation of Moon 45 Vertical Profile Scale 2.03 km/arcsec at mean distance of moon Horizontal Scale Factor 1.69 deg/min Limiting Magnitudes for various telescope apertures (in mm) CA\Tdia 50 100 150 200 250 300 350 13.4 6.1 7.6 8.4 8.9 9.3 9.6 9.8 15.4 6.1 7.6 8.4 9.0 9.4 9.6 9.9 17.4 6.2 7.6 8.4 9.0 9.4 9.7 9.9 19.4 6.2 7.6 8.5 9.0 9.4 9.7 9.9 21.4 6.2 7.7 8.5 9.0 9.4 9.7 9.9