Grazing Occultation of 1968 G2 Magnitude 6.9 Date 2007 February 8 (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 171 0 0 -41 59 17 13 36 48 37 75 1.33 215.3 195.69 13.30S 171 10 0 -42 9 48 13 37 16 37 75 1.33 215.3 195.70 13.30S 171 20 0 -42 20 20 13 37 44 37 74 1.32 215.3 195.70 13.31S 171 30 0 -42 30 54 13 38 13 37 74 1.31 215.3 195.71 13.31S 171 40 0 -42 41 30 13 38 41 37 74 1.30 215.3 195.71 13.32S 171 50 0 -42 52 7 13 39 10 38 73 1.30 215.3 195.71 13.32S 172 0 0 -43 2 45 13 39 39 38 73 1.29 215.3 195.72 13.33S 172 10 0 -43 13 25 13 40 7 38 72 1.28 215.3 195.72 13.33S 172 20 0 -43 24 6 13 40 36 38 72 1.28 215.3 195.72 13.33S 172 30 0 -43 34 48 13 41 5 38 72 1.27 215.3 195.72 13.33S 172 40 0 -43 45 32 13 41 34 38 71 1.26 215.3 195.72 13.33S 172 50 0 -43 56 16 13 42 3 39 71 1.26 215.3 195.72 13.33S 173 0 0 -44 7 2 13 42 32 39 71 1.25 215.3 195.72 13.33S Path coordinates are referred to WGS84 (as used by GPS). Librations Long -2.52 Lat +3.96 P +195.6 D +4.8 Illumination of moon 67%- Elongation of Moon 110 Vertical Profile Scale 2.76 km/arcsec at mean distance of moon Horizontal Scale Factor 1.6 deg/min Limiting Magnitudes for various telescope apertures (in mm) CA\Tdia 50 100 150 200 250 300 350 9.3 5.6 7.0 7.8 8.3 8.7 8.9 9.1 11.3 5.6 7.1 7.8 8.3 8.7 8.9 9.1 13.3 5.6 7.1 7.9 8.4 8.7 8.9 9.1 15.3 5.6 7.1 7.9 8.4 8.7 9.0 9.1 17.3 5.6 7.1 7.9 8.4 8.7 9.0 9.2