Predictions for Grazing Occultation of ZC 569, 2009 Sep 10

Grazing Occultation of     569cA2      Magnitude 5.3 [Red = 0.0]   
Date: 2009 Sep 10 17h 12m,  to  2009 Sep 10 17h 46m

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
 147  0  0  -31 35  7  17 29 54       30  19  1.71 340.6 353.76   5.56N
 147 30  0  -31 15 27  17 30 52       31  19  1.67 340.7 353.83   5.49N
 148  0  0  -30 55 58  17 31 51       31  18  1.64 340.8 353.91   5.41N
 148 30  0  -30 36 41  17 32 51       32  17  1.61 340.8 354.00   5.33N
 149  0  0  -30 17 36  17 33 52       32  16  1.58 340.9 354.09   5.24N
 149 30  0  -29 58 44  17 34 54       33  16  1.55 341.0 354.18   5.14N
 150  0  0  -29 40  6  17 35 57       33  15  1.52 341.1 354.28   5.04N
 150 30  0  -29 21 43  17 37  1       34  14  1.50 341.2 354.39   4.93N
 151  0  0  -29  3 35  17 38  6       34  13  1.47 341.3 354.51   4.82N
 151 30  0  -28 45 43  17 39 11       35  13  1.45 341.5 354.63   4.70N
 152  0  0  -28 28  8  17 40 18       35  12  1.42 341.6 354.75   4.57N
 152 30  0  -28 10 51  17 41 25       36  11  1.40 341.7 354.89   4.44N
 153  0  0  -27 53 53  17 42 33       36  10  1.38 341.9 355.02   4.30N
 153 30  0  -27 37 13  17 43 42       36   9  1.36 342.0 355.17   4.15N
 154  0  0  -27 20 53  17 44 52       37   9  1.34 342.2 355.32   4.00N
 154 30  0  -27  4 54  17 46  2       37   8  1.32 342.3 355.48   3.84N

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

       569 is double: 
      AB  5.2  6.0 0.23" 195.8  Graze path of B 0.55 km north, and 0.4 secs earlier compared to A

                Librations  Long -4.53   Lat -6.37
                            P +353.98     D +7.10
      Illumination of moon  65%-
        Elongation of Moon  107
    Vertical Profile Scale  2.86 km/arcsec at mean distance of moon
   Horizontal Scale Factor  1.39 deg/min


At longitude 144.50:
Limiting Magnitudes for various telescope apertures (in cm)
      CA\Tdia   5    10    15    20    25    30    35
     1.8      4.6   6.0   6.8   7.2   7.5   7.7   7.8
     3.8      4.6   6.0   6.8   7.2   7.5   7.7   7.9
     5.8      5.4   6.8   7.6   8.1   8.4   8.6   8.7
     7.8      5.4   6.9   7.6   8.1   8.4   8.6   8.8
     9.8      5.4   6.9   7.6   8.1   8.4   8.6   8.8


Lunar Limb Profile - Brisbane

Lunar Limb Profile