Predictions for Grazing Occultation of ZC 616, 2009 Feb 4

Grazing Occultation of     616 F2      Magnitude 5.4 [Red = 5.2]  v
   R616 = 44 Tauri (IM)
Date: 2009 Feb 04 11h 52m,  to  2009 Feb 04 12h  3m

Nominal site altitude 5m

E. Longit.   Latitude     U.T.    Sun  Moon   TanZ   PA    AA      CA
   o  '  "    o  '  "   h  m  s   Alt Alt Az          o     o      o
 115  0  0  -32 56  4  11 51 39   -7  31 355  1.69 168.4 179.57   3.12S
 115 12  0  -32 52 43  11 52 11   -7  31 355  1.69 168.5 179.65   3.04S
 115 24  0  -32 49 28  11 52 44   -7  31 354  1.69 168.5 179.74   2.96S
 115 36  0  -32 46 18  11 53 16   -8  31 354  1.69 168.6 179.82   2.87S
 115 48  0  -32 43 12  11 53 49   -8  31 354  1.69 168.7 179.91   2.78S
 116  0  0  -32 40 13  11 54 22   -8  31 353  1.69 168.8 180.00   2.70S
 116 12  0  -32 37 18  11 54 54   -8  31 353  1.69 168.9 180.08   2.61S
 116 24  0  -32 34 29  11 55 27   -9  31 353  1.68 169.0 180.17   2.52S
 116 36  0  -32 31 44  11 55 59   -9  31 352  1.68 169.1 180.26   2.44S
 116 48  0  -32 29  6  11 56 32   -9  31 352  1.68 169.2 180.35   2.35S
 117  0  0  -32 26 32  11 57  5  -10  31 351  1.68 169.2 180.43   2.26S
 117 12  0  -32 24  4  11 57 37  -10  31 351  1.68 169.3 180.52   2.17S
 117 24  0  -32 21 41  11 58 10  -10  31 351  1.68 169.4 180.61   2.08S
 117 36  0  -32 19 23  11 58 43  -10  31 350  1.68 169.5 180.70   1.99S
 117 48  0  -32 17 11  11 59 15  -11  31 350  1.69 169.6 180.79   1.91S
 118  0  0  -32 15  4  11 59 48  -11  31 350  1.69 169.7 180.88   1.81S
 118 12  0  -32 13  3  12  0 21  -11  31 349  1.69 169.8 180.97   1.72S
 118 24  0  -32 11  6  12  0 53  -11  31 349  1.69 169.9 181.06   1.63S
 118 36  0  -32  9 15  12  1 26  -12  31 349  1.69 170.0 181.15   1.54S
 118 48  0  -32  7 29  12  1 58       31 348  1.69 170.0 181.24   1.45S
 119  0  0  -32  5 49  12  2 30       31 348  1.70 170.1 181.33   1.36S

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

       616 = IM Tau, 5.37 to 5.58V, Type DSCT, Period 0.145067 days, Phase 18 %

    C A S S I N I   R E G I O N   G R A Z E
                Librations  Long -4.41   Lat -6.96
                            P +180.95     D -6.67
      Illumination of moon  67%+
        Elongation of Moon  110
    Vertical Profile Scale  3.64 km/arcsec at mean distance of moon
   Horizontal Scale Factor  1.33 deg/min


At longitude 117.00:
Limiting Magnitudes for various telescope apertures (in cm)
      CA\Tdia   5    10    15    20    25    30    35
    -1.7      2.8   4.2   4.9   5.3   5.6   5.8   5.9
     0.3      2.8   4.2   4.9   5.3   5.6   5.8   5.9
     2.3      4.6   6.1   6.8   7.3   7.6   7.8   7.9
     4.3      4.6   6.1   6.8   7.3   7.6   7.8   7.9
     6.3      5.5   6.9   7.6   8.1   8.4   8.7   8.8


Lunar Limb Profile - Perth

Lunar Limb Profile