[Interpreting and using the prediction and profile information below]

Predictions for Grazing Occultation of ZC 3505, 2005 Oct 15

Grazing Occultation of    3505 WG8      Magnitude   5.5 
 3505 = 20 Piscium                            

Date   2005 October 15    (Saturday)     Nominal site altitude  0m

E. Longit.   Latitude     U.T.    Sun  Moon   TanZ   PA    WA      CA
   o  '  "    o  '  "   h  m  s   Alt Alt Az          o     o      o
 150  0  0  -29  6 36  13 20 34       59 325  0.60 137.1 159.24  17.31S
 150 10  0  -28 56 11  13 21  7       59 324  0.60 137.1 159.24  17.32S
 150 20  0  -28 45 45  13 21 39       59 323  0.60 137.1 159.23  17.32S
 150 30  0  -28 35 19  13 22 12       59 323  0.60 137.1 159.23  17.33S
 150 40  0  -28 24 53  13 22 45       59 322  0.60 137.1 159.22  17.33S
 150 50  0  -28 14 26  13 23 18       59 321  0.60 137.1 159.22  17.33S
 151  0  0  -28  3 59  13 23 51       59 321  0.60 137.1 159.22  17.33S
 151 10  0  -27 53 32  13 24 24       59 320  0.61 137.1 159.22  17.34S
 151 20  0  -27 43  5  13 24 57       59 319  0.61 137.1 159.22  17.34S
 151 30  0  -27 32 38  13 25 30       59 319  0.61 137.1 159.22  17.34S
 151 40  0  -27 22 10  13 26  3       59 318  0.61 137.1 159.22  17.33S
 151 50  0  -27 11 43  13 26 37       59 317  0.61 137.1 159.22  17.33S
 152  0  0  -27  1 16  13 27 10       59 317  0.61 137.1 159.22  17.33S
 152 10  0  -26 50 49  13 27 44       59 316  0.61 137.1 159.23  17.32S
 152 20  0  -26 40 22  13 28 17       58 315  0.61 137.1 159.23  17.32S
 152 30  0  -26 29 56  13 28 51       58 315  0.62 137.1 159.24  17.31S
 152 40  0  -26 19 30  13 29 24       58 314  0.62 137.1 159.25  17.31S
 152 50  0  -26  9  5  13 29 58       58 313  0.62 137.1 159.26  17.30S
 153  0  0  -25 58 40  13 30 32       58 313  0.62 137.1 159.26  17.29S
 153 10  0  -25 48 16  13 31  5       58 312  0.62 137.1 159.27  17.28S
 153 20  0  -25 37 52  13 31 39       58 312  0.63 137.1 159.28  17.27S
 153 30  0  -25 27 29  13 32 13       58 311  0.63 137.1 159.30  17.26S
 153 40  0  -25 17  7  13 32 46       58 310  0.63 137.2 159.31  17.24S
 153 50  0  -25  6 46  13 33 20       58 310  0.63 137.2 159.32  17.23S

Path coordinates are referred to WGS84 (as used by GPS).

   3505 is double :   5.4 10.0  173"  285.0
Graze Path of component #2  336.21km South, and 213.3 secs. earlier cf. primary.

                Librations  Long +2.08   Lat +1.53
                            P +159.4     D +2.4
      Illumination of moon  95%+
        Elongation of Moon  154
    Vertical Profile Scale  2.19 km/arcsec at mean distance of moon
   Horizontal Scale Factor  1.52 deg/min

Limiting Magnitudes for various telescope apertures (in mm)
      CA\Tdia  50   100   150   200   250   300   350
    13.2      4.7   6.2   7.0   7.5   7.8   8.1   8.3
    15.2      5.0   6.4   7.2   7.7   8.1   8.3   8.5
    17.2      5.3   6.7   7.5   8.0   8.4   8.6   8.8
    19.2      5.5   6.9   7.7   8.2   8.6   8.9   9.0
    21.2      5.5   6.9   7.7   8.2   8.6   8.9   9.1

Lunar Limb Profile for graze near Brisbane

Lunar Limb Profile