Predictions for Grazing Occultation of ZC 1753, 2014 Aug 28

Graze profile
Grazing Occultation of    1753 K0      Magnitude 6.7 [Red = 6.2]   
Date: 2014 Aug 28  7h 15m,  to  2014 Aug 28  7h 19m

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  -39 34 34   7 15 14  -10  18 281  3.13 200.1 175.25   5.27S
 167 30  0  -39 36 29   7 15 28  -11  17 281  3.21 200.0 175.17   5.35S
 168  0  0  -39 38 19   7 15 41  -11  17 281  3.30 200.0 175.09   5.43S
 168 30  0  -39 40  3   7 15 53  -12  16 280  3.39 199.9 175.01   5.51S
 169  0  0  -39 41 41   7 16  5       16 280  3.48 199.8 174.93   5.59S
 169 30  0  -39 43 14   7 16 17       16 280  3.58 199.7 174.86   5.66S
 170  0  0  -39 44 42   7 16 28       15 279  3.69 199.7 174.78   5.74S
 170 30  0  -39 46  5   7 16 39       15 279  3.80 199.6 174.71   5.81S
 171  0  0  -39 47 22   7 16 49       14 278  3.91 199.5 174.63   5.89S
 171 30  0  -39 48 34   7 16 59       14 278  4.03 199.4 174.56   5.96S
 172  0  0  -39 49 41   7 17  9       14 278  4.16 199.4 174.49   6.03S
 172 30  0  -39 50 42   7 17 19       13 277  4.30 199.3 174.41   6.11S
 173  0  0  -39 51 39   7 17 28       13 277  4.44 199.2 174.34   6.18S
 173 30  0  -39 52 30   7 17 36       12 277  4.60 199.1 174.27   6.25S
 174  0  0  -39 53 17   7 17 44       12 276  4.76 199.1 174.20   6.32S
 174 30  0  -39 53 59   7 17 52       11 276  4.94 199.0 174.13   6.39S
 175  0  0  -39 54 35   7 18  0       11 276  5.12 198.9 174.06   6.46S
 175 30  0  -39 55  7   7 18  7       11 275  5.32 198.9 173.99   6.53S
 176  0  0  -39 55 34   7 18 14       10 275  5.54 198.8 173.93   6.59S
 176 30  0  -39 55 56   7 18 21       10 275  5.77 198.7 173.86   6.66S
 177  0  0  -39 56 14   7 18 27        9 274  6.02 198.7 173.79   6.73S
 177 30  0  -39 56 26   7 18 32        9 274  6.29 198.6 173.73   6.79S
 178  0  0  -39 56 35   7 18 38        9 274  6.59 198.5 173.66   6.86S
 178 30  0  -39 56 38   7 18 43        8 273  6.92 198.5 173.60   6.92S
 179  0  0  -39 56 37   7 18 48        8 273  7.27 198.4 173.53   6.99S

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  2 meters  [Estimated]


                Librations  Long -5.08   Lat +1.57
                            P +174.20     D +1.32
      Illumination of moon  6%+
        Elongation of Moon  29
    Vertical Profile Scale  2.00 km/arcsec at mean distance of moon
   Horizontal Scale Factor  1.77 deg/min


At longitude 173.00:
Limiting Magnitudes for various telescope apertures (in cm)
      CA\Tdia   5    10    15    20    25    30    35
     2.2      7.3   8.8   9.6  10.1  10.5  10.8  11.0
     4.2      7.4   8.8   9.6  10.2  10.6  10.8  11.1
     6.2      7.4   8.9   9.7  10.2  10.6  10.9  11.1
     8.2      7.4   8.9   9.7  10.2  10.6  10.9  11.1
    10.2      7.4   8.9   9.7  10.3  10.7  11.0  11.2

------------------------------------------------------------------------------
Results of Observer Scan                                    UT
Site                              Long.   Lat.   Dist.    h  m  s
MidNZ                             173.0  -41.0   126km    7 17 27
Wellington                        174.8  -41.3   155km    7 17 57

 

Lunar Limb Profile

Lunar Limb Profile