Predictions for Grazing Occultation of ZC2088, 2015 Jun 27

Graze profile
Grazing Occultation of    2088cF5      Magnitude 6.2 [Red = 6.0]   
Date: 2015 Jun 27 16h 44m,  to  2015 Jun 27 16h 56m

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
 110  0  0  -32 21 46  16 44  4       34 277  1.47 192.5 173.31   7.63S
 110 30  0  -32 20 11  16 44 36       34 277  1.50 192.4 173.22   7.72S
 111  0  0  -32 18 29  16 45  7       33 276  1.53 192.3 173.12   7.82S
 111 30  0  -32 16 41  16 45 38       33 276  1.56 192.2 173.03   7.91S
 112  0  0  -32 14 46  16 46  8       32 276  1.59 192.1 172.94   8.00S
 112 30  0  -32 12 44  16 46 37       32 275  1.62 192.0 172.85   8.09S
 113  0  0  -32 10 37  16 47  6       31 275  1.65 191.9 172.76   8.18S
 113 30  0  -32  8 22  16 47 35       31 274  1.69 191.8 172.67   8.27S
 114  0  0  -32  6  2  16 48  3       30 274  1.72 191.8 172.58   8.35S
 114 30  0  -32  3 35  16 48 31       30 274  1.76 191.7 172.50   8.44S
 115  0  0  -32  1  3  16 48 58       29 273  1.80 191.6 172.42   8.52S
 115 30  0  -31 58 24  16 49 24       29 273  1.84 191.5 172.33   8.61S
 116  0  0  -31 55 40  16 49 50       28 273  1.88 191.4 172.25   8.69S
 116 30  0  -31 52 49  16 50 16       28 272  1.92 191.3 172.17   8.77S
 117  0  0  -31 49 53  16 50 41       27 272  1.96 191.3 172.09   8.85S
 117 30  0  -31 46 51  16 51  5       27 271  2.00 191.2 172.01   8.93S
 118  0  0  -31 43 43  16 51 29       26 271  2.05 191.1 171.93   9.00S
 118 30  0  -31 40 30  16 51 52       25 271  2.10 191.0 171.86   9.08S
 119  0  0  -31 37 12  16 52 15       25 270  2.15 191.0 171.78   9.16S
 119 30  0  -31 33 48  16 52 38       24 270  2.20 190.9 171.71   9.23S
 120  0  0  -31 30 18  16 53  0       24 270  2.25 190.8 171.64   9.30S
 120 30  0  -31 26 43  16 53 21       23 269  2.30 190.7 171.57   9.37S
 121  0  0  -31 23  3  16 53 42       23 269  2.36 190.7 171.49   9.44S
 121 30  0  -31 19 18  16 54  2       22 269  2.42 190.6 171.43   9.51S
 122  0  0  -31 15 28  16 54 22       22 268  2.48 190.5 171.36   9.58S
 122 30  0  -31 11 33  16 54 42       21 268  2.54 190.5 171.29   9.65S
 123  0  0  -31  7 33  16 55  1       21 268  2.61 190.4 171.22   9.71S
 123 30  0  -31  3 28  16 55 19       20 268  2.68 190.3 171.16   9.78S
 124  0  0  -30 59 18  16 55 37       20 267  2.75 190.3 171.09   9.84S
 124 30  0  -30 55  4  16 55 55       19 267  2.83 190.2 171.03   9.91S
 125  0  0  -30 50 44  16 56 12       19 267  2.91 190.1 170.97   9.97S

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.

2088 is double: 
  This next pair is not confirmed
  ** 6.2      0.018" 298.1 (OCc1466) Graze path of ? 0.01 km south, and 0.0 secs earlier compared to the primary

    C A S S I N I   R E G I O N   G R A Z E
                Librations  Long -5.82   Lat -4.03
                            P +172.41     D -4.54
      Illumination of moon  79%+
        Elongation of Moon  125
    Vertical Profile Scale  1.92 km/arcsec at mean distance of moon
   Horizontal Scale Factor  1.62 deg/min


At longitude 117.50:
Limiting Magnitudes for various telescope apertures (in cm)
      CA\Tdia   5    10    15    20    25    30    35
     4.9      4.5   5.9   6.6   7.0   7.3   7.5   7.6
     6.9      4.6   6.0   6.8   7.2   7.5   7.7   7.8
     8.9      5.3   6.7   7.4   7.9   8.2   8.4   8.5
    10.9      5.3   6.7   7.4   7.9   8.2   8.4   8.5
    12.9      5.3   6.7   7.5   7.9   8.2   8.4   8.6

------------------------------------------------------------------------------
Results of Observer Scan                                    UT
Site                              Long.   Lat.   Dist.    h  m  s
Greg Bolt, Craigie, W Aus         115.8  -31.8    18km   16 49 38
Jacqeline Milner                  116.1  -31.9     1km   16 49 55

 

Lunar Limb Profile

Lunar Limb Profile