Predictions for Grazing Occultation of ZC 1428, 2014 Jan 18, near Pt Macquarie, NSW

Graze profile Macquarie
Grazing Occultation of    1428SA5      Magnitude 3.5 [Red = 3.3]   
   R1428 = omicron Leonis
Date: 2014 Jan 18 13h 21m,  to  2014 Jan 18 14h  6m

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
 145  0  0  -29 22 23  13 41 42       37  48  1.33  22.3   2.58   4.97N
 145 30  0  -29 31 19  13 42 47       37  47  1.31  22.5   2.74   4.81N
 146  0  0  -29 40 33  13 43 53       38  47  1.29  22.6   2.90   4.66N
 146 30  0  -29 50  7  13 45  0       38  46  1.27  22.8   3.06   4.50N
 147  0  0  -29 59 59  13 46  8       39  45  1.26  22.9   3.21   4.34N
 147 30  0  -30 10  9  13 47 16       39  44  1.24  23.1   3.37   4.19N
 148  0  0  -30 20 39  13 48 26       39  43  1.22  23.2   3.52   4.03N
 148 30  0  -30 31 28  13 49 37       40  42  1.21  23.4   3.68   3.88N
 149  0  0  -30 42 36  13 50 49       40  41  1.20  23.6   3.83   3.73N
 149 30  0  -30 54  2  13 52  2       40  40  1.18  23.7   3.98   3.58N
 150  0  0  -31  5 47  13 53 15       41  39  1.17  23.9   4.13   3.43N
 150 30  0  -31 17 51  13 54 29       41  38  1.16  24.0   4.28   3.28N
 151  0  0  -31 30 13  13 55 45       41  37  1.15  24.1   4.42   3.14N
 151 30  0  -31 42 53  13 57  0       41  36  1.14  24.3   4.57   2.99N
 152  0  0  -31 55 52  13 58 17       42  35  1.13  24.4   4.71   2.85N
 152 30  0  -32  9  8  13 59 34       42  34  1.12  24.6   4.85   2.72N
 153  0  0  -32 22 42  14  0 52       42  33  1.11  24.7   4.98   2.58N
 153 30  0  -32 36 34  14  2 11       42  32  1.11  24.8   5.11   2.45N
 154  0  0  -32 50 42  14  3 30       42  31  1.10  25.0   5.24   2.32N
 154 30  0  -33  5  6  14  4 50       42  30  1.09  25.1   5.37   2.20N
 155  0  0  -33 19 47  14  6 10       43  29  1.09  25.2   5.49   2.08N

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  [CHARM/CADARS, 4 measures]

1428 is quadruple: 
  Aa,Ab 3.5      0.004" 192.3 (HMM   1) Graze path of Ab 0.01 km north, and 0.0 secs later compared to Aa
  Aa,Ac 3.5      0.60" 268.0 (ARI   1) Graze path of Ac 0.63 km north, and 1.6 secs earlier compared to Aa
  AB 3.6 10.8 97"  47.1 (H 6  76) Graze path of B 227.48 km south, and 122.5 secs later compared to A

    C A S S I N I   R E G I O N   G R A Z E
                Librations  Long -2.83   Lat +5.43
                            P +2.02     D -5.28
      Illumination of moon  95%-
        Elongation of Moon  154
    Vertical Profile Scale  2.72 km/arcsec at mean distance of moon
   Horizontal Scale Factor  1.31 deg/min


At longitude 144.00:
Limiting Magnitudes for various telescope apertures (in cm)
      CA\Tdia   5    10    15    20    25    30    35
     1.3      2.3   3.7   4.4   4.9   5.2   5.4   5.5
     3.3      2.3   3.7   4.4   4.9   5.2   5.4   5.5
     5.3      2.3   3.7   4.4   4.9   5.2   5.4   5.5
     7.3      3.2   4.6   5.3   5.8   6.1   6.3   6.4
     9.3      4.3   5.7   6.5   7.0   7.3   7.5   7.6

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Double star catalogue details
WDS entries 
 
  RA  Dec Name          Y1   Y2     N  PA  PA   Sep   Sep  M1    M2 
09412+0954HMM   1Aa,Ab 1990 2010   25  90 355   0.0   0.0  3.52       A5V  F6II -142-037          +10 2044 NO   094109.12+095332.6 
09412+0954ARI   1Aa,Ac 1997 1997    1 268 268   0.6   0.6  3.52       A5V  F6II -142-037          +10 2044 NX   094109.12+095332.6 
09412+0954H 6  76AB    1783 2011   26  40  47  63.5  96.8  3.56 10.83           -143-037 -009-004          NL   094109.12+095332.6 
 

------------------------------------------------------------------------------
Results of Observer Scan                                    UT
Site                              Long.   Lat.   Dist.    h  m  s
Newcastle                         151.7  -33.0   112km   13 57 34
Pt Macquarie                      152.8  -31.4    88km   14  0 26
Sydney                            151.1  -33.8   227km   13 55 55
 

Lunar Limb Profile - Pt Macquarie

Lunar Limb Profile