Predictions for Grazing Occultation of ZC 2458, 2009 Mar 17

Grazing Occultation of    2458 B8      Magnitude 6.3 [Red = 6.3]   
Date: 2009 Mar 17 21h 29m,  to  2009 Mar 17 21h 42m

Nominal site altitude 5m

E. Longit.   Latitude     U.T.    Sun  Moon   TanZ   PA    AA      CA
   o  '  "    o  '  "   h  m  s   Alt Alt Az          o     o      o
 115  0  0  -30 36  2  21 29  5       85  43  0.09   4.5 358.24   1.38N
 115 12  0  -30 37  8  21 29 45  -12  85  40  0.09   4.3 358.13   1.49N
 115 24  0  -30 38 12  21 30 24  -12  85  37  0.09   4.2 358.02   1.60N
 115 36  0  -30 39 13  21 31  4  -11  85  34  0.08   4.1 357.90   1.72N
 115 48  0  -30 40 10  21 31 44  -11  85  30  0.08   4.0 357.79   1.83N
 116  0  0  -30 41  5  21 32 23  -11  86  26  0.08   3.9 357.68   1.95N
 116 12  0  -30 41 56  21 33  3  -10  86  22  0.08   3.8 357.56   2.06N
 116 24  0  -30 42 45  21 33 43  -10  86  18  0.07   3.7 357.45   2.17N
 116 36  0  -30 43 30  21 34 22  -10  86  14  0.07   3.5 357.33   2.29N
 116 48  0  -30 44 12  21 35  2   -9  86   9  0.07   3.4 357.22   2.40N
 117  0  0  -30 44 52  21 35 42   -9  86   4  0.07   3.3 357.11   2.52N
 117 12  0  -30 45 28  21 36 22   -9  86 360  0.07   3.2 356.99   2.63N
 117 24  0  -30 46  1  21 37  1   -8  86 355  0.07   3.1 356.88   2.75N
 117 36  0  -30 46 31  21 37 41   -8  86 351  0.07   3.0 356.76   2.86N
 117 48  0  -30 46 58  21 38 21   -8  86 346  0.07   2.9 356.65   2.97N
 118  0  0  -30 47 23  21 39  0   -7  86 342  0.08   2.7 356.53   3.09N
 118 12  0  -30 47 44  21 39 40   -7  86 338  0.08   2.6 356.42   3.20N
 118 24  0  -30 48  2  21 40 19   -7  85 334  0.08   2.5 356.30   3.32N
 118 36  0  -30 48 17  21 40 59   -7  85 331  0.08   2.4 356.19   3.43N
 118 48  0  -30 48 29  21 41 39   -6  85 327  0.08   2.3 356.08   3.54N
 119  0  0  -30 48 38  21 42 18   -6  85 324  0.09   2.2 355.96   3.66N

Path coordinates are referred to WGS84 (as used by GPS), with the
nominal site altitude being referenced to Mean Sea Level.


    C A S S I N I   R E G I O N   G R A Z E
                Librations  Long +2.53   Lat +5.02
                            P +357.31     D -4.88
      Illumination of moon  58%-
        Elongation of Moon  99
    Vertical Profile Scale  1.87 km/arcsec at mean distance of moon
   Horizontal Scale Factor  1.13 deg/min


At longitude 117.00:
Limiting Magnitudes for various telescope apertures (in cm)
      CA\Tdia   5    10    15    20    25    30    35
    -1.5      3.1   4.5   5.3   5.8   6.1   6.4   6.6
     0.5      3.4   4.9   5.7   6.2   6.5   6.8   7.0
     2.5      5.0   6.5   7.3   7.8   8.2   8.5   8.7
     4.5      5.8   7.3   8.1   8.7   9.1   9.4   9.6
     6.5      5.9   7.3   8.2   8.7   9.1   9.4   9.6

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Lunar Limb Profile - Perth