Predictions for Grazing Occultation of ZC 1283, 2006 May 4

Grazing Occultation of    1283  A0      Magnitude   7.0 
Date   2006 May  4    (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
 114  0  0  -30 24  1  11 33 42       32 338  1.59  32.1  18.54  18.28N
 114 10  0  -30 32 58  11 34  4       32 337  1.60  32.0  18.52  18.26N
 114 20  0  -30 41 54  11 34 26       32 337  1.61  32.0  18.51  18.25N
 114 30  0  -30 50 50  11 34 48       32 337  1.63  32.0  18.50  18.24N
 114 40  0  -30 59 45  11 35  9       31 337  1.64  32.0  18.48  18.22N
 114 50  0  -31  8 40  11 35 31       31 337  1.66  32.0  18.47  18.21N
 115  0  0  -31 17 34  11 35 52       31 336  1.67  32.0  18.45  18.19N
 115 10  0  -31 26 27  11 36 13       31 336  1.69  32.0  18.44  18.18N
 115 20  0  -31 35 20  11 36 33       30 336  1.70  31.9  18.42  18.16N
 115 30  0  -31 44 12  11 36 54       30 336  1.72  31.9  18.41  18.15N
 115 40  0  -31 53  3  11 37 14       30 336  1.73  31.9  18.39  18.13N
 115 50  0  -32  1 53  11 37 35       30 335  1.75  31.9  18.37  18.11N
 116  0  0  -32 10 43  11 37 55       30 335  1.76  31.9  18.36  18.09N
 116 10  0  -32 19 31  11 38 14       29 335  1.78  31.9  18.34  18.08N
 116 20  0  -32 28 19  11 38 34       29 335  1.79  31.8  18.32  18.06N
 116 30  0  -32 37  6  11 38 54       29 335  1.81  31.8  18.30  18.04N
 116 40  0  -32 45 52  11 39 13       29 334  1.83  31.8  18.28  18.02N
 116 50  0  -32 54 37  11 39 32       28 334  1.84  31.8  18.26  18.00N
 117  0  0  -33  3 21  11 39 51       28 334  1.86  31.8  18.24  17.98N
 117 10  0  -33 12  5  11 40  9       28 334  1.88  31.7  18.22  17.96N
 117 20  0  -33 20 47  11 40 28       28 334  1.90  31.7  18.20  17.93N
 117 30  0  -33 29 28  11 40 46       28 333  1.91  31.7  18.17  17.91N
 117 40  0  -33 38  8  11 41  5       27 333  1.93  31.7  18.15  17.89N
 117 50  0  -33 46 48  11 41 23       27 333  1.95  31.6  18.13  17.87N

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

                Librations  Long +3.84   Lat -6.31
                            P +17.7     D +7.5
      Illumination of moon  43%+
        Elongation of Moon  81
    Vertical Profile Scale  2.46 km/arcsec at mean distance of moon
   Horizontal Scale Factor  1.36 deg/min

Limiting Magnitudes for various telescope apertures (in mm)
      CA\Tdia  50   100   150   200   250   300   350
    13.9      5.7   7.1   7.9   8.4   8.7   9.0   9.2
    15.9      5.7   7.1   7.9   8.4   8.7   9.0   9.2
    17.9      5.7   7.1   7.9   8.4   8.8   9.0   9.2
    19.9      5.7   7.1   7.9   8.4   8.8   9.0   9.2
    21.9      5.7   7.1   7.9   8.4   8.8   9.0   9.2

Lunar Limb Profile for graze near Perth

Lunar Limb Profile