[Interpreting and using the prediction and profile information below]

Predictions for Grazing Occultation of ZC 297, 2005 Sep 20

Grazing Occultation of     297 cK0      Magnitude   6.5 
Date   2005 September 20    (Tuesday)     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
 112  0  0  -24 11 41  17 29 31       48  24  0.91 319.0 337.76  17.90N
 112 10  0  -24  2 12  17 29 58       48  24  0.90 318.9 337.74  17.92N
 112 20  0  -23 52 41  17 30 25       48  23  0.90 318.9 337.71  17.95N
 112 30  0  -23 43  8  17 30 53       48  23  0.89 318.9 337.69  17.97N
 112 40  0  -23 33 34  17 31 21       49  23  0.88 318.9 337.66  18.00N
 112 50  0  -23 23 59  17 31 49       49  22  0.87 318.8 337.63  18.02N
 113  0  0  -23 14 22  17 32 17       49  22  0.87 318.8 337.61  18.05N
 113 10  0  -23  4 43  17 32 46       49  22  0.86 318.8 337.59  18.07N
 113 20  0  -22 55  3  17 33 14       50  21  0.85 318.8 337.56  18.09N
 113 30  0  -22 45 22  17 33 43       50  21  0.84 318.7 337.54  18.12N
 113 40  0  -22 35 40  17 34 12       50  21  0.84 318.7 337.52  18.14N
 113 50  0  -22 25 56  17 34 41       50  20  0.83 318.7 337.50  18.16N
 114  0  0  -22 16 11  17 35 10       51  20  0.82 318.7 337.48  18.18N
 114 10  0  -22  6 24  17 35 40       51  20  0.81 318.7 337.45  18.21N
 114 20  0  -21 56 36  17 36  9       51  19  0.81 318.6 337.43  18.23N
 114 30  0  -21 46 48  17 36 39       51  19  0.80 318.6 337.41  18.24N
 114 40  0  -21 36 58  17 37  9       52  19  0.79 318.6 337.40  18.26N
 114 50  0  -21 27  6  17 37 39       52  18  0.79 318.6 337.38  18.28N
 115  0  0  -21 17 14  17 38 10       52  18  0.78 318.6 337.36  18.30N
 115 10  0  -21  7 21  17 38 40       52  18  0.77 318.6 337.35  18.31N
 115 20  0  -20 57 27  17 39 11       53  17  0.77 318.5 337.33  18.33N
 115 30  0  -20 47 32  17 39 41       53  17  0.76 318.5 337.32  18.34N
 115 40  0  -20 37 36  17 40 12       53  16  0.75 318.5 337.30  18.35N
 115 50  0  -20 27 39  17 40 44       53  16  0.75 318.5 337.29  18.36N

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

    297 is double :   7.6  7.6   0.100"   37.0
Graze Path of component #2  0.04km South, and 0.3 secs. later cf. primary.

                Librations  Long +6.76   Lat -2.77
                            P +337.0     D +0.2
      Illumination of moon  90%-
        Elongation of Moon  144
    Vertical Profile Scale  2.08 km/arcsec at mean distance of moon
   Horizontal Scale Factor  1.38 deg/min

Limiting Magnitudes for various telescope apertures (in mm)
      CA\Tdia  50   100   150   200   250   300   350
    14.4      5.5   7.0   7.7   8.3   8.6   8.9   9.1
    16.4      5.5   7.0   7.8   8.3   8.6   8.9   9.1
    18.4      5.5   7.0   7.8   8.3   8.6   8.9   9.1
    20.4      5.5   7.0   7.8   8.3   8.6   8.9   9.1
    22.4      5.5   7.0   7.8   8.3   8.6   8.9   9.1

Lunar Limb Profile for graze near Exmouth

Lunar Limb Profile