Predictions for Grazing Occultation of ZC 1546, 2013 Jun 15 near Pt Macquarie

Graze profile
Grazing Occultation of    1546cK0      Magnitude 7.1 [Red = 6.5]   
   R1546 = 32 Sextantis
Date: 2013 Jun 15  9h 23m,  to  2013 Jun 15  9h 34m

Nominal site altitude 50m

E. Longit.   Latitude     U.T.    Sun  Moon   TanZ   PA    AA      CA
   o  '  "    o  '  "   h  m  s   Alt Alt Az          o     o      o
 149  0  0  -30 20 56   9 23 15       41 310  1.13  30.3   7.94   7.25N
 149 30  0  -30 34 27   9 24 12       41 309  1.16  30.1   7.80   7.11N
 150  0  0  -30 47 45   9 25  9       40 308  1.18  30.0   7.67   6.98N
 150 30  0  -31  0 50   9 26  4       40 308  1.21  29.9   7.53   6.84N
 151  0  0  -31 13 43   9 26 58       39 307  1.24  29.7   7.40   6.71N
 151 30  0  -31 26 24   9 27 51       38 307  1.27  29.6   7.27   6.58N
 152  0  0  -31 38 54   9 28 43       38 306  1.29  29.5   7.13   6.45N
 152 30  0  -31 51 11   9 29 34       37 306  1.32  29.4   7.00   6.31N
 153  0  0  -32  3 17   9 30 24       36 305  1.35  29.2   6.87   6.18N
 153 30  0  -32 15 11   9 31 12       36 305  1.38  29.1   6.74   6.05N
 154  0  0  -32 26 53   9 32  0       35 304  1.41  29.0   6.61   5.92N
 154 30  0  -32 38 24   9 32 46       35 304  1.44  28.8   6.48   5.79N
 155  0  0  -32 49 45   9 33 32       34 303  1.48  28.7   6.35   5.67N

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  1 meters  [Estimated]

1546 is double: 
  This next pair is not confirmed
  ** 8.0 8.0 0.10" 104.0** (OCc 225) Graze path of ? 0.05 km south, and 0.3 secs later compared to the primary

    C A S S I N I   R E G I O N   G R A Z E
                Librations  Long -7.54   Lat +5.89
                            P +6.38     D -6.52
      Illumination of moon  36%+
        Elongation of Moon  74
    Vertical Profile Scale  1.99 km/arcsec at mean distance of moon
   Horizontal Scale Factor  1.43 deg/min


At longitude 152.00:
Limiting Magnitudes for various telescope apertures (in cm)
      CA\Tdia   5    10    15    20    25    30    35
     2.4      5.0   6.5   7.3   7.8   8.1   8.4   8.6
     4.4      5.1   6.5   7.3   7.8   8.1   8.4   8.6
     6.4      5.9   7.3   8.1   8.6   9.0   9.3   9.5
     8.4      5.9   7.3   8.1   8.7   9.0   9.3   9.5
    10.4      5.9   7.3   8.1   8.7   9.1   9.3   9.5

------------------------------------------------------------------------------
Double star catalogue details
WDS entries 
 
  RA  Dec Name          Y1   Y2     N  PA  PA   Sep   Sep  M1    M2 
10323+0439OCC 225                   0                      8.0   8.0            -012+033          +05 2347      103218.50+043843.0 
 
------------------------------------------------ 
Interferometric catalogue entries 
 
103218.50+043843.0  BD+05 2347                OCC 225                   HD  91256    HIP  51592         10323+0439     
    Date       PA              Sep                  M1             M2 
  1940.      V104.      .      0.1        .         8.0     .      8.0     .                       1  OCC2002  O       
 

------------------------------------------------------------------------------
Results of Observer Scan                                    UT
Site                              Long.   Lat.   Dist.    h  m  s
Newcastle                         151.7  -33.0   142km    9 28 14
Pt Macquarie                      152.8  -31.4    59km    9 30  7
Sydney                            151.1  -33.8   255km    9 27  6

 

Lunar Limb Profile

Lunar Limb Profile