Predictions for Grazing Occultation of ZC1962, 2015 Jun 26

Graze profile
Grazing Occultation of    1962 M2      Magnitude 5.0 [Red = 4.2]  s
   R1962 = 82 Virginis
Date: 2015 Jun 26 13h  3m,  to  2015 Jun 26 13h 29m

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  -25 31 26  13  2 52       49 287  0.87 200.8 178.39   0.97S
 135 30  0  -25 36 28  13  3 43       48 286  0.89 200.7 178.24   1.12S
 136  0  0  -25 41 19  13  4 34       48 286  0.91 200.5 178.08   1.28S
 136 30  0  -25 46  0  13  5 23       47 285  0.93 200.4 177.93   1.43S
 137  0  0  -25 50 30  13  6 12       46 285  0.95 200.2 177.78   1.58S
 137 30  0  -25 54 49  13  6 59       46 285  0.97 200.1 177.63   1.73S
 138  0  0  -25 58 58  13  7 46       45 284  0.99 199.9 177.48   1.88S
 138 30  0  -26  2 57  13  8 33       45 284  1.01 199.8 177.33   2.03S
 139  0  0  -26  6 45  13  9 18       44 284  1.04 199.6 177.18   2.17S
 139 30  0  -26 10 24  13 10  3       43 283  1.06 199.5 177.04   2.32S
 140  0  0  -26 13 53  13 10 46       43 283  1.08 199.4 176.90   2.46S
 140 30  0  -26 17 13  13 11 30       42 282  1.11 199.2 176.76   2.60S
 141  0  0  -26 20 22  13 12 12       42 282  1.13 199.1 176.61   2.74S
 141 30  0  -26 23 23  13 12 53       41 282  1.15 198.9 176.47   2.88S
 142  0  0  -26 26 14  13 13 34       40 281  1.18 198.8 176.34   3.02S
 142 30  0  -26 28 56  13 14 14       40 281  1.20 198.7 176.20   3.15S
 143  0  0  -26 31 29  13 14 54       39 281  1.23 198.5 176.07   3.29S
 143 30  0  -26 33 53  13 15 32       39 280  1.25 198.4 175.94   3.42S
 144  0  0  -26 36  9  13 16 10       38 280  1.28 198.3 175.81   3.55S
 144 30  0  -26 38 15  13 16 48       37 280  1.31 198.1 175.68   3.68S
 145  0  0  -26 40 13  13 17 24       37 279  1.34 198.0 175.55   3.80S
 145 30  0  -26 42  3  13 18  0       36 279  1.37 197.9 175.43   3.93S
 146  0  0  -26 43 44  13 18 35       36 279  1.39 197.8 175.30   4.05S
 146 30  0  -26 45 17  13 19 10       35 278  1.42 197.6 175.18   4.17S
 147  0  0  -26 46 42  13 19 44       34 278  1.46 197.5 175.06   4.30S
 147 30  0  -26 48  0  13 20 17       34 278  1.49 197.4 174.95   4.40S
 148  0  0  -26 49  9  13 20 49       33 277  1.52 197.3 174.83   4.52S
 148 30  0  -26 50 10  13 21 21       33 277  1.55 197.2 174.72   4.64S
 149  0  0  -26 51  4  13 21 52       32 277  1.59 197.1 174.61   4.75S
 149 30  0  -26 51 50  13 22 23       32 276  1.62 197.0 174.49   4.86S
 150  0  0  -26 52 28  13 22 53       31 276  1.66 196.8 174.38   4.97S
 150 30  0  -26 52 59  13 23 22       31 276  1.69 196.7 174.27   5.08S
 151  0  0  -26 53 23  13 23 51       30 275  1.73 196.6 174.16   5.19S
 151 30  0  -26 53 40  13 24 19       29 275  1.77 196.5 174.06   5.30S
 152  0  0  -26 53 50  13 24 47       29 275  1.81 196.4 173.95   5.40S
 152 30  0  -26 53 52  13 25 13       28 274  1.85 196.3 173.85   5.51S
 153  0  0  -26 53 48  13 25 40       28 274  1.89 196.2 173.75   5.61S
 153 30  0  -26 53 37  13 26  5       27 274  1.94 196.1 173.65   5.71S
 154  0  0  -26 53 19  13 26 30       27 274  1.98 196.0 173.55   5.81S
 154 30  0  -26 52 54  13 26 55       26 273  2.03 195.9 173.45   5.91S
 155  0  0  -26 52 23  13 27 19       26 273  2.08 195.8 173.35   6.00S
 155 30  0  -26 51 45  13 27 42       25 273  2.13 195.7 173.26   6.10S
 156  0  0  -26 51  1  13 28  5       25 272  2.18 195.6 173.16   6.19S
 156 30  0  -26 50 11  13 28 27       24 272  2.24 195.5 173.07   6.29S
 157  0  0  -26 49 15  13 28 49       24 272  2.29 195.4 172.98   6.38S

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  8 meters  [CHARM/CADARS, 4 measures]

1962 is variable: 
      1962 = NSV 6390, 5.03, range 0.01, 1V, Type VAR, Period 4.30942 days


    C A S S I N I   R E G I O N   G R A Z E
                Librations  Long -4.70   Lat -2.52
                            P +175.50     D -2.63
      Illumination of moon  69%+
        Elongation of Moon  112
    Vertical Profile Scale  1.88 km/arcsec at mean distance of moon
   Horizontal Scale Factor  1.45 deg/min


At longitude 146.00:
Limiting Magnitudes for various telescope apertures (in cm)
      CA\Tdia   5    10    15    20    25    30    35
     0.1      2.8   4.2   4.9   5.4   5.7   5.9   6.0
     2.1      4.7   6.1   6.9   7.3   7.7   7.9   8.0
     4.1      4.7   6.1   6.9   7.4   7.7   7.9   8.1
     6.1      5.5   7.0   7.7   8.2   8.5   8.8   9.0
     8.1      5.5   7.0   7.7   8.2   8.6   8.8   9.0

------------------------------------------------------------------------------
Results of Observer Scan                                    UT
Site                              Long.   Lat.   Dist.    h  m  s
David Breadsell, Warra, Qld       151.0  -27.0    13km   13 23 52
Dennis Lowe                       152.4  -27.5    69km   13 25  6
John Bradshaw, Brisbane           152.9  -27.4    51km   13 25 33
Peter Anderson                    152.9  -27.5    63km   13 25 36

 

Lunar Limb Profile

Lunar Limb Profile