Predictions for Grazing Occultation of ZC 3430, 2006 May 21

Grazing Occultation of    3430 WF3      Magnitude   5.6 
 3430 = 96 Aquarii                            

Date   2006 May 21    (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
 174  0  0  -37 56 57  17 28  4       44  53  1.02 322.9 344.71  13.68N
 174 10  0  -37 52 48  17 28 21       45  53  1.01 322.9 344.65  13.74N
 174 20  0  -37 48 38  17 28 38       45  52  1.00 322.8 344.60  13.80N
 174 30  0  -37 44 26  17 28 55       45  52  1.00 322.8 344.54  13.85N
 174 40  0  -37 40 12  17 29 12       45  52  0.99 322.7 344.48  13.91N
 174 50  0  -37 35 56  17 29 30       45  52  0.98 322.6 344.43  13.96N
 175  0  0  -37 31 38  17 29 47       46  52  0.98 322.6 344.37  14.02N
 175 10  0  -37 27 18  17 30  4       46  51  0.97 322.5 344.32  14.08N
 175 20  0  -37 22 56  17 30 22       46  51  0.96 322.5 344.26  14.13N
 175 30  0  -37 18 33  17 30 40       46  51  0.96 322.4 344.20  14.19N
 175 40  0  -37 14  7  17 30 58       46  51  0.95 322.4 344.15  14.24N
 175 50  0  -37  9 40  17 31 16       47  50  0.94 322.3 344.09  14.30N
 176  0  0  -37  5 10  17 31 34       47  50  0.94 322.3 344.04  14.36N

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

   3430 is double :   5.6 10.9  10.6"   20.0
Graze Path of component #2  11.42km South, and 20.4 secs. later cf. primary.

                Librations  Long +0.13   Lat +1.30
                            P +344.0     D -1.0
      Illumination of moon  34%-
        Elongation of Moon  72
    Vertical Profile Scale  1.94 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
    10.4      6.0   7.4   8.3   8.8   9.2   9.5   9.7
    12.4      6.0   7.5   8.3   8.8   9.2   9.5   9.7
    14.4      6.0   7.5   8.3   8.8   9.2   9.5   9.8
    16.4      6.0   7.5   8.3   8.9   9.3   9.6   9.8
    18.4      6.0   7.5   8.3   8.9   9.3   9.6   9.8

Lunar Limb Profile for graze near Auckland and Hamilton

Lunar Limb Profile