Predictions for Grazing Occultation of ZC 1518, 2014 Apr 11, near Grafton, Qld.

Graze profile Grafton
Grazing Occultation of    1518 K3      Magnitude 6.1 [Red = 5.5]   
   R1518 = 43 Leonis
Date: 2014 Apr 11  7h 40m,  to  2014 Apr 11  8h 11m

Nominal site altitude 100m

E. Longit.   Latitude     U.T.    Sun  Moon   TanZ   PA    AA      CA
   o  '  "    o  '  "   h  m  s   Alt Alt Az          o     o      o
 151 30  0  -30  5 20   8  3 34   -6  34  57  1.47  23.1   0.82   5.18N
 152  0  0  -30 14 19   8  4 31   -7  35  56  1.45  23.2   0.96   5.32N
 152 30  0  -30 23 35   8  5 30   -7  35  55  1.42  23.3   1.10   5.45N
 153  0  0  -30 33  8   8  6 29   -8  36  55  1.40  23.5   1.24   5.59N
 153 30  0  -30 42 58   8  7 30   -9  36  54  1.38  23.6   1.37   5.73N
 154  0  0  -30 53  5   8  8 31   -9  36  53  1.36  23.8   1.51   5.86N
 154 30  0  -31  3 28   8  9 34  -10  37  52  1.34  23.9   1.64   6.00N
 155  0  0  -31 14  8   8 10 37  -11  37  51  1.32  24.0   1.78   6.13N

Path coordinates are referred to WGS84 (as used by GPS), with the
nominal site altitude being referenced to Mean Sea Level. The path
is adjusted for the effects of refraction at low moon altitudes.

Projected diameter of star  3 meters  [Estimated]


    C A S S I N I   R E G I O N   G R A Z E
                Librations  Long -2.36   Lat +4.80
                            P +358.63     D -4.49
      Illumination of moon  85%+
        Elongation of Moon  134
    Vertical Profile Scale  2.70 km/arcsec at mean distance of moon
   Horizontal Scale Factor  1.47 deg/min


At longitude 144.00:
Limiting Magnitudes for various telescope apertures (in cm)
      CA\Tdia   5    10    15    20    25    30    35
    -0.8      1.6   3.0   3.7   4.1   4.3   4.5   4.6
     1.2      1.6   3.0   3.7   4.1   4.3   4.5   4.6
     3.2      1.8   3.2   3.9   4.3   4.6   4.7   4.8
     5.2      2.5   3.9   4.6   5.0   5.2   5.4   5.5
     7.2      2.5   3.9   4.6   5.0   5.2   5.4   5.5

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Results of Observer Scan                                    UT
Site                              Long.   Lat.   Dist.    h  m  s

 

Lunar Limb Profile - Grafton

Lunar Limb Profile