Predictions for Grazing Occultation of ZC 2269, 2006 Apr 16

Grazing Occultation of    2269 cB5      Magnitude   5.4 

Date   2006 April 16    (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  -28 39 10  17 58 30       67 274  0.43  16.9   5.86   1.46N
 150 10  0  -28 39 55  17 58 58       66 274  0.44  16.8   5.77   1.55N
 150 20  0  -28 40 39  17 59 25       66 273  0.44  16.7   5.69   1.64N
 150 30  0  -28 41 21  17 59 53       66 273  0.45  16.6   5.60   1.73N
 150 40  0  -28 42  0  18  0 20       66 273  0.45  16.5   5.51   1.81N
 150 50  0  -28 42 38  18  0 48       65 273  0.46  16.4   5.42   1.90N
 151  0  0  -28 43 14  18  1 15       65 273  0.47  16.3   5.34   1.99N
 151 10  0  -28 43 47  18  1 42       65 273  0.47  16.2   5.25   2.07N
 151 20  0  -28 44 19  18  2  9       65 273  0.48  16.2   5.17   2.16N
 151 30  0  -28 44 49  18  2 36       64 272  0.48  16.1   5.08   2.24N
 151 40  0  -28 45 16  18  3  3       64 272  0.49  16.0   4.99   2.33N
 151 50  0  -28 45 42  18  3 29       64 272  0.49  15.9   4.91   2.41N
 152  0  0  -28 46  6  18  3 56       64 272  0.50  15.8   4.82   2.50N
 152 10  0  -28 46 28  18  4 23       63 272  0.50  15.7   4.74   2.58N
 152 20  0  -28 46 48  18  4 49       63 272  0.51  15.6   4.66   2.67N
 152 30  0  -28 47  6  18  5 16       63 272  0.51  15.6   4.57   2.75N
 152 40  0  -28 47 22  18  5 42       63 271  0.52  15.5   4.50   2.83N
 152 50  0  -28 47 36  18  6  8       62 271  0.52  15.4   4.41   2.91N
 153  0  0  -28 47 49  18  6 34       62 271  0.53  15.3   4.33   3.00N
 153 10  0  -28 47 59  18  7  0       62 271  0.53  15.2   4.24   3.08N
 153 20  0  -28 48  7  18  7 26       62 271  0.54  15.1   4.16   3.16N
 153 30  0  -28 48 14  18  7 52       61 271  0.54  15.1   4.08   3.25N
 153 40  0  -28 48 19  18  8 17       61 271  0.55  15.0   4.00   3.33N
 153 50  0  -28 48 22  18  8 43       61 271  0.56  14.9   3.91   3.41N

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

   2269 is double :   6.2  6.2   0.100"   90.0
Graze Path of component #2  0.05km South, and 0.3 secs. later cf. primary.

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

                Librations  Long -6.36   Lat +5.72
                            P +3.3     D -5.9
      Illumination of moon  91%-
        Elongation of Moon  145
    Vertical Profile Scale  1.86 km/arcsec at mean distance of moon
   Horizontal Scale Factor  1.29 deg/min

Limiting Magnitudes for various telescope apertures (in mm)
      CA\Tdia  50   100   150   200   250   300   350
    -0.6      2.5   3.9   4.7   5.2   5.5   5.8   5.9
     1.4      2.5   3.9   4.7   5.2   5.5   5.8   5.9
     3.4      2.5   3.9   4.7   5.2   5.5   5.8   5.9
     5.4      3.6   5.0   5.8   6.3   6.7   6.9   7.1
     7.4      4.6   6.1   6.8   7.4   7.7   8.0   8.1

Lunar Limb Profile for graze south of Brisbane

Lunar Limb Profile