Predictions for Grazing Occultation of ZC2969, 2015 Aug 27

Graze profile
Grazing Occultation of    2969SA5      Magnitude 3.1 [Red = 2.6]  s
   R2969 = Dabih Major = beta Capricorni
Date: 2015 Aug 27 15h 54m,  to  2015 Aug 27 16h 23m

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
 135  0  0  -32 46 41  15 53 31       47 284  0.94 161.0 175.24  14.00S
 135 30  0  -32 32 58  15 54 27       46 283  0.96 161.0 175.22  14.02S
 136  0  0  -32 19 13  15 55 22       46 282  0.98 161.0 175.21  14.03S
 136 30  0  -32  5 28  15 56 17       45 282  1.00 161.0 175.21  14.03S
 137  0  0  -31 51 40  15 57 12       44 281  1.02 161.0 175.20  14.03S
 137 30  0  -31 37 52  15 58  5       44 280  1.04 161.0 175.20  14.04S
 138  0  0  -31 24  4  15 58 59       43 279  1.06 161.0 175.20  14.04S
 138 30  0  -31 10 15  15 59 52       43 279  1.08 161.0 175.20  14.03S
 139  0  0  -30 56 26  16  0 44       42 278  1.10 161.0 175.21  14.03S
 139 30  0  -30 42 37  16  1 35       42 277  1.12 161.0 175.21  14.02S
 140  0  0  -30 28 48  16  2 26       41 277  1.15 161.0 175.22  14.02S
 140 30  0  -30 15  0  16  3 17       40 276  1.17 161.0 175.23  14.01S
 141  0  0  -30  1 13  16  4  7       40 276  1.20 161.0 175.24  14.00S
 141 30  0  -29 47 27  16  4 56       39 275  1.22 161.1 175.25  13.98S
 142  0  0  -29 33 42  16  5 45       39 274  1.25 161.1 175.27  13.97S
 142 30  0  -29 19 59  16  6 33       38 274  1.27 161.1 175.28  13.95S
 143  0  0  -29  6 18  16  7 20       38 273  1.30 161.1 175.30  13.93S
 143 30  0  -28 52 38  16  8  7       37 273  1.33 161.1 175.32  13.91S
 144  0  0  -28 39  1  16  8 52       36 272  1.36 161.1 175.34  13.89S
 144 30  0  -28 25 26  16  9 38       36 272  1.39 161.2 175.37  13.87S
 145  0  0  -28 11 54  16 10 22       35 271  1.42 161.2 175.39  13.85S
 145 30  0  -27 58 25  16 11  6       35 271  1.45 161.2 175.41  13.82S
 146  0  0  -27 44 58  16 11 49       34 270  1.49 161.2 175.44  13.79S
 146 30  0  -27 31 35  16 12 32       33 270  1.52 161.3 175.47  13.77S
 147  0  0  -27 18 15  16 13 13       33 269  1.56 161.3 175.50  13.74S
 147 30  0  -27  4 58  16 13 54       32 269  1.59 161.3 175.53  13.71S
 148  0  0  -26 51 46  16 14 34       32 269  1.63 161.4 175.56  13.67S
 148 30  0  -26 38 37  16 15 14       31 268  1.67 161.4 175.60  13.64S
 149  0  0  -26 25 32  16 15 52       30 268  1.71 161.4 175.63  13.61S
 149 30  0  -26 12 31  16 16 30       30 267  1.75 161.5 175.67  13.57S
 150  0  0  -25 59 34  16 17  7       29 267  1.79 161.5 175.70  13.53S
 150 30  0  -25 46 42  16 17 44       29 267  1.84 161.5 175.74  13.50S
 151  0  0  -25 33 54  16 18 19       28 266  1.89 161.6 175.78  13.46S
 151 30  0  -25 21 11  16 18 54       27 266  1.93 161.6 175.82  13.42S
 152  0  0  -25  8 33  16 19 28       27 265  1.98 161.7 175.86  13.38S
 152 30  0  -24 56  0  16 20  2       26 265  2.04 161.7 175.90  13.34S
 153  0  0  -24 43 31  16 20 34       26 265  2.09 161.7 175.94  13.29S
 153 30  0  -24 31  8  16 21  6       25 264  2.15 161.8 175.99  13.25S
 154  0  0  -24 18 50  16 21 37       24 264  2.21 161.8 176.03  13.21S
 154 30  0  -24  6 36  16 22  7       24 264  2.27 161.9 176.08  13.16S
 155  0  0  -23 54 29  16 22 37       23 263  2.33 161.9 176.12  13.12S

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  7 meters  [CHARM/CADARS, 12 measures]

2969 is variable: 
      2969 = NSV 25105, 3.05, range 0.00, 3V, Type VAR, Period 1.40657 days

2969 is multiple: 
  Aa,Ab 3.1 4.9 0.10" 210.2 (BLA   7) Graze path of Ab 0.14 km north, and 0.1 secs earlier compared to Aa
  AD 3.2 13.7 117" 291.7 (HJ 2948) Graze path of D 167.29 km south, and 178.5 secs earlier compared to A
  AB 3.2 6.1 205" 267.0 (STFA 52) Graze path of B 123.53 km south, and 398.4 secs earlier compared to A
  AC 3.2 8.8 226" 133.0 (STFA 52) Graze path of C 440.18 km north, and 215.5 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 -5.74   Lat -6.16
                            P +175.98     D -6.34
      Illumination of moon  93%+
        Elongation of Moon  150
    Vertical Profile Scale  2.11 km/arcsec at mean distance of moon
   Horizontal Scale Factor  1.75 deg/min


At longitude 145.00:
Limiting Magnitudes for various telescope apertures (in cm)
      CA\Tdia   5    10    15    20    25    30    35
     9.8      4.4   5.8   6.6   7.0   7.3   7.5   7.7
    11.8      4.4   5.8   6.6   7.0   7.3   7.5   7.7
    13.8      4.6   6.1   6.8   7.3   7.6   7.8   7.9
    15.8      5.1   6.5   7.2   7.7   8.0   8.3   8.4
    17.8      5.3   6.7   7.5   8.0   8.3   8.5   8.7

------------------------------------------------------------------------------
Results of Observer Scan                                    UT
Site                              Long.   Lat.   Dist.    h  m  s
AU Mid                            143.0  -30.6   147km   16  7 20
Brisbane                          153.1  -27.5   278km   16 20 37
Bundaberg                         152.3  -24.8    21km   16 19 51
Rockhampton                       150.5  -23.4   243km   16 17 44


 

Lunar Limb Profile

Lunar Limb Profile