Predictions for Grazing Occultation of ZC 1233, 2006 May 31

Grazing Occultation of    1233 SG8      Magnitude   5.7s
 1233 = psi Cancri                            

Date   2006 May 31    (Wednesday)     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
 143  0  0  -35 18 59   8 37 23       19 324  2.85  28.3  16.79  20.20N
 143 10  0  -35 26 40   8 37 35       19 323  2.89  28.3  16.76  20.17N
 143 20  0  -35 34 20   8 37 46       19 323  2.92  28.2  16.74  20.14N
 143 30  0  -35 41 58   8 37 57       19 323  2.95  28.2  16.71  20.12N
 143 40  0  -35 49 36   8 38  8       18 323  2.99  28.2  16.68  20.09N
 143 50  0  -35 57 12   8 38 19       18 323  3.02  28.1  16.65  20.06N
 144  0  0  -36  4 47   8 38 29       18 323  3.06  28.1  16.62  20.03N
 144 10  0  -36 12 21   8 38 40       18 323  3.10  28.1  16.59  20.00N
 144 20  0  -36 19 54   8 38 50       18 322  3.14  28.1  16.57  19.97N
 144 30  0  -36 27 26   8 39  0       17 322  3.17  28.0  16.54  19.95N
 144 40  0  -36 34 57   8 39 10       17 322  3.21  28.0  16.51  19.92N
 144 50  0  -36 42 26   8 39 20       17 322  3.25  28.0  16.48  19.89N
 145  0  0  -36 49 54   8 39 30       17 322  3.30  27.9  16.45  19.86N
 145 10  0  -36 57 22   8 39 40       17 322  3.34  27.9  16.42  19.83N
 145 20  0  -37  4 48   8 39 49       16 322  3.38  27.9  16.39  19.80N
 145 30  0  -37 12 12   8 39 59       16 321  3.42  27.9  16.36  19.77N
 145 40  0  -37 19 36   8 40  8       16 321  3.47  27.8  16.33  19.74N
 145 50  0  -37 26 58   8 40 17       16 321  3.51  27.8  16.30  19.71N
 146  0  0  -37 34 20   8 40 26       16 321  3.56  27.8  16.27  19.68N
 146 10  0  -37 41 40   8 40 35       15 321  3.61  27.7  16.24  19.65N
 146 20  0  -37 48 59   8 40 44       15 321  3.66  27.7  16.21  19.62N
 146 30  0  -37 56 17   8 40 53       15 321  3.71  27.7  16.18  19.59N
 146 40  0  -38  3 33   8 41  2       15 320  3.76  27.6  16.15  19.56N
 146 50  0  -38 10 48   8 41 10       15 320  3.81  27.6  16.12  19.53N
 147  0  0  -38 18  3   8 41 18       15 320  3.86  27.6  16.09  19.50N
 147 10  0  -38 25 15   8 41 27       14 320  3.92  27.6  16.06  19.47N
 147 20  0  -38 32 27   8 41 35       14 320  3.97  27.5  16.03  19.44N
 147 30  0  -38 39 38   8 41 43       14 320  4.03  27.5  16.00  19.41N
 147 40  1  -38 46 47   8 41 50       14 320  4.09  27.5  15.97  19.38N
 147 50  1  -38 53 55   8 41 58       14 320  4.15  27.4  15.94  19.35N

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

   1233 is multiple :   6.6  6.6   0.100"  270.0 :   5.7 12.2   74"  297.0 :   5.8 11.7   92"  218.0
Graze Path of component #2  0.11km North, and 0.2 secs. earlier cf. primary.
Graze Path of component #3  1.31km North, and 180.6 secs. earlier cf. primary.
Graze Path of component #4  210.67km North, and 41.2 secs. earlier cf. primary.

   1233 = NSV 17752,   5.73 +/- 0.00 V ,  Type VAR:

                Librations  Long +3.70   Lat -6.43
                            P +15.6     D +7.5
      Illumination of moon  18%+
        Elongation of Moon  50
    Vertical Profile Scale  2.40 km/arcsec at mean distance of moon
   Horizontal Scale Factor  1.56 deg/min

Limiting Magnitudes for various telescope apertures (in mm)
      CA\Tdia  50   100   150   200   250   300   350
    15.3      6.0   7.5   8.3   8.8   9.1   9.4   9.6
    17.3      6.1   7.5   8.3   8.8   9.2   9.5   9.7
    19.3      6.1   7.6   8.4   8.9   9.2   9.5   9.7
    21.3      6.1   7.6   8.4   8.9   9.3   9.5   9.7
    23.3      6.2   7.6   8.4   9.0   9.3   9.6   9.8

Lunar Limb Profile for graze near Melbourne

Lunar Limb Profile