Predictions for Grazing Occultation of ZC 2366, 2006 Dec 19

Grazing Occultation of    2366 dM1      Magnitude   1.1v
 2366 = Antares = alpha Scorpii               

Date   2006 December 19    (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
 114  0  0  -34  5  8   4  7 41    79 74 294  0.29  11.1   2.74 -17.39N
 114 10  0  -34  5 39   4  8  8    79 74 293  0.29  11.0   2.66 -17.31N
 114 20  0  -34  6  8   4  8 35    79 74 293  0.29  10.9   2.58 -17.23N
 114 30  0  -34  6 35   4  9  2    79 73 293  0.30  10.8   2.51 -17.15N
 114 40  0  -34  7  1   4  9 29    79 73 292  0.30  10.7   2.43 -17.07N
 114 50  0  -34  7 24   4  9 56    79 73 292  0.31  10.7   2.35 -16.99N
 115  0  0  -34  7 46   4 10 23    79 73 291  0.31  10.6   2.27 -16.91N
 115 10  0  -34  8  5   4 10 50    79 73 291  0.31  10.5   2.19 -16.83N
 115 20  0  -34  8 23   4 11 17    79 72 291  0.32  10.4   2.11 -16.75N
 115 30  0  -34  8 39   4 11 43    79 72 290  0.32  10.3   2.03 -16.67N
 115 40  0  -34  8 54   4 12 10    79 72 290  0.33  10.3   1.95 -16.60N
 115 50  0  -34  9  6   4 12 37    79 72 289  0.33  10.2   1.87 -16.51N
 116  0  0  -34  9 17   4 13  3    79 71 289  0.34  10.1   1.79 -16.43N
 116 10  0  -34  9 26   4 13 30    79 71 289  0.34  10.0   1.71 -16.35N
 116 20  0  -34  9 33   4 13 56    79 71 288  0.34   9.9   1.63 -16.27N
 116 30  0  -34  9 38   4 14 22    79 71 288  0.35   9.9   1.55 -16.20N
 116 40  0  -34  9 42   4 14 49    79 71 288  0.35   9.8   1.47 -16.12N
 116 50  0  -34  9 43   4 15 15    79 70 287  0.36   9.7   1.40 -16.04N
 117  0  0  -34  9 43   4 15 41    79 70 287  0.36   9.6   1.32 -15.96N
 117 10  0  -34  9 42   4 16  7    79 70 286  0.37   9.6   1.25 -15.89N
 117 20  0  -34  9 38   4 16 33    79 70 286  0.37   9.5   1.17 -15.81N
 117 30  0  -34  9 33   4 16 59    79 70 286  0.37   9.4   1.09 -15.74N
 117 40  0  -34  9 25   4 17 25    79 69 286  0.38   9.3   1.02 -15.66N
 117 50  0  -34  9 17   4 17 51    79 69 285  0.38   9.3   0.94 -15.58N

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

   2366 is double :   0.9  5.4   2.5"  273.7
Graze Path of component #2  0.45km North, and 7.2 secs. earlier cf. primary.

   2366 = alf Sco,   0.88 to  1.16 V ,  Type LC

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

                Librations  Long -5.02   Lat +6.33
                            P +0.4     D -6.2
      Illumination of moon  2%-
        Elongation of Moon  18
    Vertical Profile Scale  1.87 km/arcsec at mean distance of moon
   Horizontal Scale Factor  1.28 deg/min

Limiting Magnitudes for various telescope apertures (in mm)
      CA\Tdia  50   100   150   200   250   300   350
   -19.6      0.4   1.8   2.6   3.1   3.4   3.7   3.8
   -17.6      0.4   1.8   2.6   3.1   3.4   3.7   3.8
   -15.6      0.4   1.8   2.6   3.1   3.4   3.7   3.8
   -13.6      0.4   1.8   2.6   3.1   3.4   3.7   3.8
   -11.6      0.4   1.9   2.6   3.1   3.5   3.7   3.9

Lunar Limb Profile for graze south of Perth

Lunar Limb Profile