Grazing Occultation of 2907 wK3 Magnitude 6.2 Date 2007 June 4 (Monday) 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 145 0 0 -43 26 7 15 15 4 57 64 0.65 345.3 355.48 7.24N 145 10 0 -43 26 4 15 15 22 57 64 0.64 345.3 355.42 7.29N 145 20 0 -43 26 0 15 15 41 57 64 0.64 345.2 355.37 7.34N 145 30 0 -43 25 54 15 16 0 58 64 0.63 345.2 355.32 7.40N 145 40 0 -43 25 47 15 16 19 58 63 0.63 345.1 355.26 7.45N 145 50 0 -43 25 39 15 16 37 58 63 0.63 345.0 355.21 7.51N 146 0 0 -43 25 30 15 16 56 58 63 0.62 345.0 355.15 7.56N 146 10 0 -43 25 19 15 17 15 58 62 0.62 344.9 355.10 7.61N 146 20 0 -43 25 7 15 17 34 58 62 0.62 344.9 355.05 7.67N 146 30 0 -43 24 54 15 17 53 59 62 0.61 344.8 354.99 7.72N 146 40 0 -43 24 39 15 18 12 59 61 0.61 344.8 354.94 7.78N 146 50 0 -43 24 23 15 18 31 59 61 0.60 344.7 354.88 7.83N 147 0 0 -43 24 6 15 18 50 59 61 0.60 344.7 354.83 7.89N 147 10 0 -43 23 47 15 19 10 59 61 0.60 344.6 354.77 7.94N 147 20 0 -43 23 28 15 19 29 59 60 0.59 344.6 354.72 8.00N 147 30 0 -43 23 6 15 19 48 59 60 0.59 344.5 354.66 8.05N 147 40 0 -43 22 44 15 20 8 60 60 0.59 344.4 354.60 8.11N 147 50 0 -43 22 20 15 20 27 60 59 0.58 344.4 354.56 8.16N 148 0 0 -43 21 55 15 20 46 60 59 0.58 344.3 354.50 8.21N Path coordinates are referred to WGS84 (as used by GPS). 2907 is double : 6.1 10.3 39" 40.0 Graze Path of component #2 42.19km South, and 85.2 secs. later cf. primary. C A S S I N I R E G I O N G R A Z E Librations Long -5.21 Lat +4.39 P +354.1 D -3.6 Illumination of moon 87%- Elongation of Moon 137 Vertical Profile Scale 1.93 km/arcsec at mean distance of moon Horizontal Scale Factor 1.4 deg/min Limiting Magnitudes for various telescope apertures (in mm) CA\Tdia 50 100 150 200 250 300 350 4.2 3.7 5.2 6.0 6.5 6.8 7.0 7.2 6.2 4.7 6.1 6.9 7.4 7.8 8.0 8.2 8.2 4.9 6.3 7.1 7.6 8.0 8.3 8.4 10.2 5.4 6.8 7.6 8.2 8.5 8.8 9.0 12.2 5.6 7.0 7.8 8.3 8.7 9.0 9.2