Predictions for Grazing Occultation of Saturn, 2014 Aug 4

Graze profile
Grazing Occultation of Saturn          Magnitude 0.5 [Red = 0.5]   
Date: 2014 Aug 04 11h 58m,  to  2014 Aug 04 12h  3m

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

 Inner limit - Saturn fully obscured
 167  0  0  -36  7 53  11 58  0       21 267  2.60 187.3 169.50   9.28S
 167 30  0  -36  2  6  11 58 18       21 266  2.67 187.2 169.45   9.33S
 168  0  0  -35 56 14  11 58 36       20 266  2.74 187.2 169.40   9.38S
 168 30  0  -35 50 18  11 58 54       20 266  2.81 187.1 169.35   9.43S
 169  0  0  -35 44 19  11 59 11       19 265  2.88 187.1 169.30   9.48S
 169 30  0  -35 38 15  11 59 27       19 265  2.96 187.0 169.25   9.53S
 170  0  0  -35 32  7  11 59 43       18 265  3.04 187.0 169.20   9.58S
 170 30  0  -35 25 55  11 59 59       18 264  3.13 186.9 169.16   9.62S
 171  0  0  -35 19 39  12  0 14       17 264  3.22 186.9 169.11   9.67S
 171 30  0  -35 13 19  12  0 29       17 264  3.32 186.8 169.07   9.71S
 172  0  0  -35  6 55  12  0 44       16 263  3.42 186.8 169.02   9.76S
 172 30  0  -35  0 27  12  0 58       16 263  3.52 186.7 168.98   9.80S
 173  0  0  -34 53 56  12  1 11       15 263  3.63 186.7 168.93   9.85S
 173 30  0  -34 47 21  12  1 25       15 262  3.75 186.6 168.88   9.89S
 174  0  0  -34 40 43  12  1 37       14 262  3.88 186.6 168.84   9.93S
 174 30  0  -34 34  1  12  1 50       14 262  4.02 186.6 168.81   9.97S
 175  0  0  -34 27 15  12  2  2       14 261  4.16 186.5 168.77  10.01S
 175 30  0  -34 20 27  12  2 13       13 261  4.31 186.5 168.73  10.05S
 176  0  0  -34 13 35  12  2 24       13 261  4.48 186.5 168.69  10.09S
 176 30  0  -34  6 39  12  2 35       12 260  4.65 186.4 168.65  10.12S
 177  0  0  -33 59 40  12  2 45       12 260  4.84 186.4 168.62  10.16S
 177 30  0  -33 52 39  12  2 55       11 260  5.05 186.3 168.58  10.19S
 178  0  0  -33 45 34  12  3  4       11 259  5.27 186.3 168.55  10.23S
 178 30  0  -33 38 26  12  3 13       10 259  5.52 186.3 168.52  10.26S
 179  0  0  -33 31 15  12  3 22       10 259  5.78 186.2 168.48  10.29S

 Outer limit - Saturn just touches the moon
 167  0  0  -36 27 14  11 57 42       21 267  2.59 187.3 169.52   9.25S
 167 30  0  -36 21 29  11 58  1       21 266  2.66 187.2 169.47   9.30S
 168  0  0  -36 15 39  11 58 19       20 266  2.73 187.2 169.42   9.36S
 168 30  0  -36  9 44  11 58 36       20 266  2.80 187.1 169.37   9.41S
 169  0  0  -36  3 46  11 58 53       19 265  2.87 187.1 169.32   9.45S
 169 30  0  -35 57 43  11 59 10       19 265  2.95 187.0 169.28   9.50S
 170  0  0  -35 51 36  11 59 26       18 265  3.03 187.0 169.23   9.55S
 170 30  0  -35 45 25  11 59 42       18 264  3.11 186.9 169.18   9.60S
 171  0  0  -35 39 10  11 59 57       17 264  3.20 186.9 169.14   9.64S
 171 30  0  -35 32 52  12  0 12       17 264  3.30 186.9 169.09   9.69S
 172  0  0  -35 26 29  12  0 27       16 263  3.39 186.8 169.05   9.73S
 172 30  0  -35 20  3  12  0 41       16 263  3.50 186.8 169.01   9.77S
 173  0  0  -35 13 33  12  0 54       15 263  3.61 186.7 168.96   9.81S
 173 30  0  -35  6 59  12  1  7       15 262  3.73 186.7 168.91   9.87S
 174  0  0  -35  0 22  12  1 20       15 262  3.85 186.6 168.87   9.91S
 174 30  0  -34 53 41  12  1 33       14 262  3.98 186.6 168.83   9.95S
 175  0  0  -34 46 56  12  1 45       14 261  4.13 186.6 168.79   9.99S
 175 30  0  -34 40  9  12  1 56       13 261  4.28 186.5 168.75  10.02S
 176  0  0  -34 33 17  12  2  7       13 261  4.44 186.5 168.72  10.06S
 176 30  0  -34 26 23  12  2 18       12 260  4.61 186.4 168.68  10.10S
 177  0  0  -34 19 25  12  2 28       12 260  4.80 186.4 168.64  10.13S
 177 30  0  -34 12 25  12  2 38       11 260  5.00 186.4 168.61  10.17S
 178  0  0  -34  5 21  12  2 48       11 259  5.21 186.3 168.57  10.20S
 178 30  0  -33 58 14  12  2 57       10 259  5.45 186.3 168.54  10.24S
 179  0  0  -33 51  4  12  3  5       10 259  5.71 186.3 168.51  10.27S

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  5 meters  [Estimated]


                Librations  Long -8.64   Lat -3.08
                            P +169.45     D -4.43
      Illumination of moon  54%+
        Elongation of Moon  95
    Vertical Profile Scale  1.99 km/arcsec at mean distance of moon
   Horizontal Scale Factor  1.86 deg/min


At longitude 173.00:
Limiting Magnitudes for various telescope apertures (in cm)
      CA\Tdia   5    10    15    20    25    30    35
     5.9      5.0   6.4   7.1   7.5   7.8   8.0   8.1
     7.9      5.1   6.4   7.1   7.6   7.8   8.0   8.1
     9.9      5.1   6.5   7.2   7.6   7.8   8.0   8.1
    11.9      5.1   6.5   7.2   7.6   7.9   8.0   8.2
    13.9      5.1   6.5   7.2   7.6   7.9   8.1   8.2

------------------------------------------------------------------------------
Results of Observer Scan                                    UT
Site                              Long.   Lat.   Dist.    h  m  s
Auckland                          174.8  -36.9   239km   12  1 48
MidNZ                             173.0  -41.0   633km   12  1  3

 

Lunar Limb Profile

Lunar Limb Profile