Predictions for Grazing Occultation of ZC 2039, 2007 Aug 19

Grazing Occultation of    2039  A0      Magnitude   5.5 

Date   2007 August 19    (Sunday)     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
 150  0  0  -27 27 52   9  5  3       52 275  0.77  25.7   7.31   4.79N
 150 10  0  -27 29 15   9  5 27       52 275  0.78  25.6   7.22   4.71N
 150 20  0  -27 30 35   9  5 52       52 275  0.78  25.5   7.14   4.62N
 150 30  0  -27 31 53   9  6 16       52 275  0.79  25.4   7.05   4.53N
 150 40  0  -27 33 10   9  6 40       51 275  0.80  25.3   6.96   4.45N
 150 50  0  -27 34 24   9  7  5       51 275  0.80  25.2   6.88   4.36N
 151  0  0  -27 35 37   9  7 29       51 275  0.81  25.2   6.79   4.28N
 151 10  0  -27 36 47   9  7 52       51 275  0.82  25.1   6.71   4.19N
 151 20  0  -27 37 56   9  8 16       51 274  0.82  25.0   6.63   4.11N
 151 30  0  -27 39  3   9  8 40       50 274  0.83  24.9   6.54   4.03N
 151 40  0  -27 40  8   9  9  3       50 274  0.84  24.8   6.46   3.94N
 151 50  0  -27 41 11   9  9 26       50 274  0.84  24.7   6.38   3.86N
 152  0  0  -27 42 13   9  9 50       50 274  0.85  24.7   6.29   3.78N
 152 10  0  -27 43 12   9 10 13       49 274  0.86  24.6   6.21   3.70N
 152 20  0  -27 44 10   9 10 35       49 274  0.86  24.5   6.13   3.61N
 152 30  0  -27 45  6   9 10 58       49 274  0.87  24.4   6.05   3.53N
 152 40  0  -27 46  0   9 11 21       49 273  0.88  24.3   5.97   3.45N
 152 50  0  -27 46 52   9 11 43       48 273  0.89  24.2   5.89   3.37N
 153  0  0  -27 47 42   9 12  6       48 273  0.89  24.2   5.81   3.29N
 153 10  0  -27 48 31   9 12 28       48 273  0.90  24.1   5.73   3.21N
 153 20  0  -27 49 18   9 12 50       48 273  0.91  24.0   5.65   3.13N

Path coordinates are referred to WGS84 (as used by GPS).

    C A S S I N I   R E G I O N   G R A Z E

                Librations  Long -1.70   Lat +5.94
                            P +5.5     D -5.8
      Illumination of moon  34%+
        Elongation of Moon  72
    Vertical Profile Scale  1.86 km/arcsec at mean distance of moon
   Horizontal Scale Factor  1.31 deg/min

Limiting Magnitudes for various telescope apertures (in mm)
      CA\Tdia  50   100   150   200   250   300   350
    -0.9      3.3   4.7   5.5   5.9   6.3   6.5   6.6
     1.1      5.1   6.6   7.4   7.9   8.3   8.5   8.7
     3.1      5.1   6.6   7.4   7.9   8.3   8.6   8.8
     5.1      6.0   7.4   8.2   8.8   9.2   9.5   9.7
     7.1      6.0   7.4   8.3   8.8   9.2   9.5   9.7

Lunar Limb Profile for graze

Lunar Limb Profile