Predictions for Grazing Occultation of ZC 1305, 2008 Jun 7

Grazing Occultation of    1305 cK0      Magnitude   6.9 
Date   2008 June  7    (Saturday)     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
 113  0  0  -22 49 16  12 31  6       12 298  4.53  31.0  17.74  17.14N
 113 10  0  -22 54 13  12 31 11       12 298  4.61  31.0  17.70  17.10N
 113 20  0  -22 59 10  12 31 17       12 298  4.68  30.9  17.66  17.06N
 113 30  0  -23  4  5  12 31 22       12 298  4.76  30.9  17.62  17.02N
 113 40  0  -23  8 59  12 31 27       12 298  4.84  30.9  17.59  16.99N
 113 50  0  -23 13 51  12 31 32       11 298  4.92  30.8  17.56  16.96N
 114  0  0  -23 18 43  12 31 37       11 298  5.01  30.8  17.52  16.92N
 114 10  0  -23 23 33  12 31 42       11 297  5.10  30.8  17.49  16.88N
 114 20  0  -23 28 22  12 31 47       11 297  5.19  30.7  17.45  16.85N
 114 30  0  -23 33 10  12 31 52       11 297  5.28  30.7  17.41  16.81N
 114 40  0  -23 37 56  12 31 57       11 297  5.38  30.7  17.37  16.77N
 114 50  0  -23 42 42  12 32  2       10 297  5.48  30.6  17.34  16.74N
 115  0  0  -23 47 26  12 32  6       10 297  5.58  30.6  17.30  16.70N
 115 10  0  -23 52  9  12 32 11       10 297  5.69  30.5  17.26  16.66N
 115 20  0  -23 56 51  12 32 15       10 297  5.80  30.5  17.23  16.62N
 115 30  0  -24  1 32  12 32 20       10 297  5.91  30.5  17.19  16.59N
 115 40  0  -24  6 11  12 32 24        9 297  6.03  30.4  17.15  16.55N
 115 50  0  -24 10 50  12 32 28        9 297  6.15  30.4  17.12  16.51N
 116  0  0  -24 15 27  12 32 32        9 297  6.28  30.4  17.08  16.48N

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

   1305 is double :   7.2  9.1   0.018"  102.1
Graze Path of component #2  0.01km South, and 0.0 secs. later cf. primary.

                Librations  Long +5.78   Lat -1.68
                            P +16.9     D +3.6
      Illumination of moon  18%+
        Elongation of Moon  51
    Vertical Profile Scale  1.89 km/arcsec at mean distance of moon
   Horizontal Scale Factor  1.94 deg/min

Limiting Magnitudes for various telescope apertures (in mm)
      CA\Tdia  50   100   150   200   250   300   350
    12.5      5.7   7.2   7.9   8.4   8.8   9.0   9.2
    14.5      5.8   7.2   8.0   8.5   8.8   9.1   9.3
    16.5      5.8   7.2   8.0   8.5   8.9   9.1   9.3
    18.5      5.8   7.3   8.1   8.6   8.9   9.2   9.4
    20.5      5.9   7.3   8.1   8.6   9.0   9.3   9.4
    

Lunar Limb Profile