Grazing Occultation of 3237 cB8 Magnitude 4.3 3237 = iota Aquarii Date 2006 June 16 (Friday) 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 168 0 0 -44 21 45 12 42 45 25 85 2.14 336.2 355.59 4.46N 168 10 0 -44 22 9 12 42 53 25 85 2.13 336.1 355.56 4.49N 168 20 0 -44 22 32 12 43 0 25 85 2.12 336.1 355.53 4.52N 168 30 0 -44 22 55 12 43 8 25 85 2.10 336.1 355.49 4.55N 168 40 0 -44 23 16 12 43 15 26 84 2.09 336.0 355.46 4.59N 168 50 0 -44 23 37 12 43 23 26 84 2.08 336.0 355.43 4.62N 169 0 0 -44 23 57 12 43 31 26 84 2.06 336.0 355.39 4.65N 169 10 0 -44 24 16 12 43 39 26 84 2.05 335.9 355.36 4.69N 169 20 0 -44 24 35 12 43 46 26 84 2.04 335.9 355.33 4.72N 169 30 0 -44 24 52 12 43 54 26 84 2.03 335.9 355.29 4.75N 169 40 0 -44 25 9 12 44 2 26 84 2.01 335.8 355.26 4.79N 169 50 0 -44 25 24 12 44 10 27 83 2.00 335.8 355.22 4.82N 170 0 0 -44 25 39 12 44 18 27 83 1.99 335.8 355.19 4.86N 170 10 0 -44 25 53 12 44 26 27 83 1.98 335.7 355.16 4.89N 170 20 0 -44 26 6 12 44 34 27 83 1.96 335.7 355.12 4.92N 170 30 0 -44 26 19 12 44 42 27 83 1.95 335.7 355.09 4.96N 170 40 0 -44 26 30 12 44 50 27 83 1.94 335.6 355.05 4.99N 170 50 0 -44 26 41 12 44 58 27 83 1.93 335.6 355.02 5.03N 171 0 0 -44 26 50 12 45 7 28 82 1.92 335.6 354.99 5.06N 171 10 0 -44 26 59 12 45 15 28 82 1.91 335.5 354.95 5.10N 171 20 0 -44 27 7 12 45 23 28 82 1.89 335.5 354.92 5.13N 171 30 0 -44 27 14 12 45 32 28 82 1.88 335.5 354.88 5.17N Path coordinates are referred to WGS84 (as used by GPS). 3237 is double : 5.2 5.2 0.050" 0.0 Graze Path of component #2 0.09km South, and 0.0 secs. later cf. primary. C A S S I N I R E G I O N G R A Z E Librations Long +0.21 Lat +3.15 P +354.9 D -2.9 Illumination of moon 72%- Elongation of Moon 116 Vertical Profile Scale 1.94 km/arcsec at mean distance of moon Horizontal Scale Factor 1.78 deg/min Limiting Magnitudes for various telescope apertures (in mm) CA\Tdia 50 100 150 200 250 300 350 1.2 2.7 4.1 4.8 5.2 5.5 5.6 5.8 3.2 4.5 5.9 6.7 7.1 7.4 7.6 7.8 5.2 4.7 6.1 6.8 7.3 7.6 7.8 7.9 7.2 5.4 6.8 7.5 8.0 8.3 8.5 8.7 9.2 5.4 6.8 7.5 8.0 8.3 8.5 8.7