Predictions for Grazing Occultation of ZC1158, 2016 Feb 19

Graze profile
Grazing Occultation of    1158cM0      Magnitude 5.0 [Red = 4.2]  s
   R1158 = 74 Geminorum
Date: 2016 Feb 19 16h 19m,  to  2016 Feb 19 16h 29m

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
 135  0  0  -26  9 49.6  16 19 29       22 304  2.49  16.5   5.99  12.16N
 135 30  0  -26 22 40.2  16 19 57       21 304  2.57  16.5   5.95  12.13N
 136  0  0  -26 35 26.9  16 20 25       21 303  2.64  16.4   5.91  12.08N
 136 30  0  -26 48  9.7  16 20 53       20 303  2.73  16.4   5.87  12.04N
 137  0  0  -27  0 48.5  16 21 19       20 303  2.81  16.3   5.82  12.00N
 137 30  0  -27 13 23.3  16 21 44       19 302  2.90  16.3   5.78  11.95N
 138  0  0  -27 25 53.9  16 22  9       18 302  3.00  16.2   5.73  11.91N
 138 30  0  -27 38 20.5  16 22 32       18 302  3.10  16.2   5.69  11.86N
 139  0  0  -27 50 42.9  16 22 55       17 301  3.21  16.2   5.64  11.81N
 139 30  0  -28  3  1.2  16 23 17       17 301  3.32  16.1   5.59  11.77N
 140  0  0  -28 15 15.2  16 23 39       16 301  3.44  16.1   5.54  11.72N
 140 30  0  -28 27 24.8  16 23 59       16 301  3.56  16.0   5.50  11.67N
 141  0  0  -28 39 30.2  16 24 19       15 300  3.70  16.0   5.45  11.62N
 141 30  0  -28 51 30.9  16 24 38       15 300  3.84  15.9   5.40  11.57N
 142  0  0  -29  3 27.5  16 24 57       14 300  4.00  15.9   5.35  11.52N
 142 30  0  -29 15 19.8  16 25 14       14 299  4.16  15.8   5.30  11.47N
 143  0  0  -29 27  7.7  16 25 31       13 299  4.34  15.8   5.25  11.42N
 143 30  0  -29 38 51.2  16 25 48       12 299  4.53  15.7   5.20  11.37N
 144  0  0  -29 50 30.3  16 26  3       12 298  4.73  15.7   5.15  11.32N
 144 30  0  -30  2  5.0  16 26 18       11 298  4.95  15.6   5.10  11.27N
 145  0  0  -30 13 35.2  16 26 32       11 298  5.20  15.6   5.05  11.22N
 145 30  0  -30 25  1.0  16 26 46       10 298  5.46  15.5   4.99  11.17N
 146  0  0  -30 36 22.3  16 26 59       10 297  5.75  15.5   4.94  11.12N
 146 30  0  -30 47 39.2  16 27 11        9 297  6.07  15.4   4.89  11.07N
 147  0  0  -30 58 51.6  16 27 23        9 297  6.42  15.4   4.84  11.02N
 147 30  0  -31  9 59.5  16 27 34        8 296  6.81  15.3   4.79  10.96N
 148  0  0  -31 21  3.0  16 27 44        8 296  7.25  15.3   4.74  10.91N
 148 30  0  -31 32  2.0  16 27 54        7 296  7.74  15.2   4.68  10.86N
 149  0  0  -31 42 56.6  16 28  3        7 296  8.30  15.1   4.62  10.80N
 149 30  0  -31 53 46.6  16 28 12        6 295  8.95  15.1   4.57  10.75N
 150  0  0  -32  4 32.1  16 28 20        6 295  9.69  15.0   4.52  10.69N
 150 30  0  -32 15 13.2  16 28 28        5 295 10.56  15.0   4.46  10.64N
 151  0  0  -32 25 49.8  16 28 35        5 294 11.60  14.9   4.42  10.60N
 151 30  0  -32 36 21.9  16 28 41        4 294 12.85  14.9   4.37  10.55N
 152  0  0  -32 46 49.5  16 28 48        4 294 14.39  14.8   4.32  10.49N
 152 30  0  -32 57 12.5  16 28 53        4 294 16.33  14.8   4.27  10.44N
 153  0  0  -33  7 31.1  16 28 58        3 293 18.86  14.7   4.21  10.39N
 153 30  0  -33 17 43.9  16 29  3        3 293 22.29  14.7   4.16  10.34N
 154  0  0  -33 27 53.0  16 29  7        2 293 27.21  14.6   4.11  10.29N
 154 30  0  -33 37 57.2  16 29 10        2 292 34.85  14.6   4.06  10.24N
 155  0  0  -33 47 57.0  16 29 14        1 292 48.35  14.5   4.01  10.18N

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, 8 measures]

1158 is variable: 
      1158 = NSV 3671, 5.05, range 0.08, V

1158 is double: 
  This next pair is not confirmed
  ** 6.0 6.0 0.030"  24.0 (OCc 367) Graze path of ? approximately 0.1 km south, and 0.0 secs later compared to the primary
  - refer to graze profile for exact distances

    C A S S I N I   R E G I O N   G R A Z E
                Librations  Long +4.68   Lat +5.32
                            P +5.46     D -4.62
      Illumination of moon  90%+
        Elongation of Moon  143
    Vertical Profile Scale  approx. 2.13 km/arcsec at mean distance of moon
   Horizontal Scale Factor  1.73 deg/min


At longitude 145.00:
Limiting Magnitudes for various telescope apertures (in cm)
      CA\Tdia   5    10    15    20    25    30    35
     7.2      3.6   4.9   5.5   5.8   6.0   6.1   6.2
     9.2      3.6   4.9   5.5   5.8   6.0   6.1   6.2
    11.2      3.8   5.1   5.7   6.0   6.2   6.3   6.4
    13.2      4.3   5.6   6.2   6.5   6.7   6.8   6.9
    15.2      4.4   5.7   6.3   6.6   6.8   6.9   7.0

------------------------------------------------------------------------------
Results of Observer Scan                                    UT
Site                              Long.   Lat.   Dist.    h  m  s
AU Mid                            143.0  -30.6   116km   16 25 31.3

 

Lunar Limb Profile

Lunar Limb Profile