Predictions for Grazing Occultation of ZC 3501, 2009 May 19

Grazing Occultation of    3501 *5      Magnitude 5.0 [Red = 3.6]  v
   R3501 = TX Piscium = 19 Piscium
Date: 2009 May 19 18h 52m,  to  2009 May 19 18h 54m

Nominal site altitude 5m

E. Longit.   Latitude     U.T.    Sun  Moon   TanZ   PA    AA      CA
   o  '  "    o  '  "   h  m  s   Alt Alt Az          o     o      o
 115  0  0  -30 41 38  18 52 23        6  82  9.72 330.7 353.33   8.22N
 115 12  0  -30 40 16  18 52 26        6  82  9.42 330.7 353.28   8.26N
 115 24  0  -30 38 53  18 52 30        6  82  9.14 330.7 353.24   8.30N
 115 36  0  -30 37 29  18 52 33        6  82  8.87 330.6 353.19   8.35N
 115 48  0  -30 36  4  18 52 37        7  82  8.62 330.6 353.15   8.40N
 116  0  0  -30 34 37  18 52 41        7  82  8.38 330.5 353.10   8.45N
 116 12  0  -30 33  9  18 52 45        7  82  8.15 330.5 353.06   8.48N
 116 24  0  -30 31 40  18 52 48        7  82  7.94 330.4 353.02   8.53N
 116 36  0  -30 30 10  18 52 52        7  82  7.73 330.4 352.97   8.57N
 116 48  0  -30 28 38  18 52 56        8  81  7.54 330.3 352.93   8.61N
 117  0  0  -30 27  5  18 53  1        8  81  7.35 330.3 352.88   8.66N
 117 12  0  -30 25 31  18 53  5        8  81  7.17 330.3 352.84   8.70N
 117 24  0  -30 23 56  18 53  9        8  81  7.00 330.2 352.80   8.75N
 117 36  0  -30 22 19  18 53 13        8  81  6.84 330.2 352.75   8.79N
 117 48  0  -30 20 42  18 53 18        9  81  6.68 330.1 352.71   8.84N
 118  0  0  -30 19  2  18 53 22        9  81  6.54 330.1 352.66   8.88N
 118 12  0  -30 17 22  18 53 27        9  81  6.39 330.0 352.61   8.93N
 118 24  0  -30 15 40  18 53 32        9  81  6.26 330.0 352.57   8.97N
 118 36  0  -30 13 57  18 53 36        9  80  6.12 329.9 352.52   9.02N
 118 48  0  -30 12 13  18 53 41        9  80  6.00 329.9 352.48   9.07N
 119  0  0  -30 10 27  18 53 46       10  80  5.87 329.8 352.43   9.11N

Path coordinates are referred to WGS84 (as used by GPS), with the
nominal site altitude being referenced to Mean Sea Level.

Projected diameter of star  40 meters

      3501 = TX Psc, 4.79 to 5.20V, Type LB

                Librations  Long -6.08   Lat -5.55
                            P +353.50     D +6.52
      Illumination of moon  25%-
        Elongation of Moon  61
    Vertical Profile Scale  1.87 km/arcsec at mean distance of moon
   Horizontal Scale Factor  1.89 deg/min


At longitude 117.00:
Limiting Magnitudes for various telescope apertures (in cm)
      CA\Tdia   5    10    15    20    25    30    35
     4.7      4.1   5.5   6.1   6.5   6.8   6.9   7.0
     6.7      5.0   6.4   7.2   7.6   7.9   8.1   8.2
     8.7      5.1   6.5   7.2   7.7   8.0   8.2   8.3
    10.7      5.1   6.6   7.3   7.8   8.1   8.3   8.4
    12.7      5.2   6.6   7.4   7.8   8.1   8.4   8.5

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Lunar Limb Profile - Perth