Predictions for Grazing Occultation of ZC 1518, 2014 Apr 11

Graze profile
Grazing Occultation of    1518 K3      Magnitude 6.1 [Red = 5.5]   
   R1518 = 43 Leonis
Date: 2014 Apr 11  8h 40m,  to  2014 Apr 11  9h 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
 167  0  0  -36 49 30   8 40  6       43  27  1.06  26.6   4.39   8.74N
 167 30  0  -37  6 12   8 41 26       43  26  1.06  26.7   4.47   8.81N
 168  0  0  -37 23  3   8 42 45       43  25  1.06  26.8   4.53   8.88N
 168 30  0  -37 40  2   8 44  5       43  23  1.06  26.8   4.59   8.94N
 169  0  0  -37 57  9   8 45 25       43  22  1.06  26.9   4.65   8.99N
 169 30  0  -38 14 23   8 46 44       43  21  1.06  26.9   4.70   9.04N
 170  0  0  -38 31 43   8 48  4       43  20  1.06  27.0   4.74   9.09N
 170 30  0  -38 49  9   8 49 23       43  19  1.07  27.0   4.78   9.13N
 171  0  0  -39  6 39   8 50 42       43  18  1.07  27.1   4.82   9.17N
 171 30  0  -39 24 14   8 52  1       43  16  1.07  27.1   4.86   9.20N
 172  0  0  -39 41 53   8 53 19       43  15  1.08  27.1   4.88   9.23N
 172 30  0  -39 59 34   8 54 37       43  14  1.08  27.2   4.91   9.26N
 173  0  0  -40 17 17   8 55 54       43  13  1.09  27.2   4.93   9.28N
 173 30  0  -40 35  3   8 57 11       42  12  1.09  27.2   4.95   9.29N
 174  0  0  -40 52 49   8 58 28       42  11  1.10  27.2   4.96   9.30N
 174 30  0  -41 10 36   8 59 43       42   9  1.11  27.2   4.97   9.31N
 175  0  0  -41 28 22   9  0 58       42   8  1.11  27.2   4.97   9.32N
 175 30  0  -41 46  8   9  2 13       42   7  1.12  27.2   4.97   9.32N
 176  0  0  -42  3 52   9  3 27       41   6  1.13  27.2   4.97   9.31N
 176 30  0  -42 21 35   9  4 40       41   5  1.14  27.2   4.96   9.31N
 177  0  0  -42 39 15   9  5 52       41   4  1.15  27.2   4.95   9.30N
 177 30  0  -42 56 52   9  7  3       41   3  1.16  27.2   4.94   9.28N
 178  0  0  -43 14 25   9  8 14       40   2  1.17  27.2   4.92   9.27N
 178 30  0  -43 31 55   9  9 24       40   1  1.18  27.1   4.90   9.25N
 179  0  0  -43 49 21   9 10 32       40 360  1.20  27.1   4.88   9.22N

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  3 meters  [Estimated]


    C A S S I N I   R E G I O N   G R A Z E
                Librations  Long -2.97   Lat +4.79
                            P +4.70     D -4.77
      Illumination of moon  85%+
        Elongation of Moon  134
    Vertical Profile Scale  2.70 km/arcsec at mean distance of moon
   Horizontal Scale Factor  1.29 deg/min


At longitude 173.00:
Limiting Magnitudes for various telescope apertures (in cm)
      CA\Tdia   5    10    15    20    25    30    35
     5.3      4.6   6.0   6.8   7.3   7.6   7.8   8.0
     7.3      4.6   6.0   6.8   7.3   7.6   7.8   8.0
     9.3      5.1   6.5   7.3   7.8   8.1   8.3   8.5
    11.3      5.5   6.9   7.7   8.2   8.5   8.8   9.0
    13.3      5.5   6.9   7.7   8.2   8.5   8.8   9.0

------------------------------------------------------------------------------
Results of Observer Scan                                    UT
Site                              Long.   Lat.   Dist.    h  m  s
MidNZ                             173.0  -41.0    62km    8 55 54
Wellington                        174.8  -41.3     5km    9  0 29

 

Lunar Limb Profile

Lunar Limb Profile