Predictions for Grazing Occultation of ZC 2907, 2007 June 4

Grazing Occultation of    2907 wK3      Magnitude   6.2 
Date   2007 June  4    (Monday)     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
 174  0  0  -36 53 54  16 22 31       72 314  0.32 334.9 345.04  17.67N
 174 10  0  -36 48 57  16 22 58       72 313  0.32 334.8 344.98  17.73N
 174 20  0  -36 43 59  16 23 26       72 312  0.32 334.7 344.92  17.78N
 174 30  0  -36 38 58  16 23 54       72 311  0.32 334.7 344.87  17.84N
 174 40  0  -36 33 56  16 24 22       72 310  0.33 334.6 344.81  17.89N
 174 50  0  -36 28 51  16 24 50       72 309  0.33 334.6 344.76  17.95N
 175  0  0  -36 23 44  16 25 18       72 309  0.33 334.5 344.71  18.00N
 175 10  0  -36 18 35  16 25 46       72 308  0.33 334.5 344.65  18.06N
 175 20  0  -36 13 24  16 26 14       71 307  0.33 334.4 344.60  18.11N
 175 30  0  -36  8 10  16 26 42       71 306  0.34 334.4 344.54  18.16N

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

   2907 is double :   6.1 10.3   39"   40.0
Graze Path of component #2  30.86km South, and 96.7 secs. later cf. primary.

                Librations  Long -5.77   Lat +4.38
                            P +344.1     D -2.4
      Illumination of moon  87%-
        Elongation of Moon  137
    Vertical Profile Scale  1.93 km/arcsec at mean distance of moon
   Horizontal Scale Factor  1.36 deg/min

Limiting Magnitudes for various telescope apertures (in mm)
      CA\Tdia  50   100   150   200   250   300   350
    14.2      5.6   7.1   7.9   8.4   8.8   9.1   9.3
    16.2      5.6   7.1   7.9   8.4   8.8   9.1   9.3
    18.2      5.6   7.1   7.9   8.4   8.8   9.1   9.3
    20.2      5.6   7.1   7.9   8.4   8.8   9.1   9.3
    22.2      5.7   7.1   7.9   8.5   8.8   9.1   9.3

Lunar Limb Profile