Predictions for Grazing Occultation of ZC 1727, 2009 Jul 26
Grazing Occultation of 1727 F2 Magnitude 6.9 [Red = 6.7]
Date: 2009 Jul 26 8h 48m, to 2009 Jul 26 9h 18m
Nominal site altitude 5m
E. Longit. Latitude U.T. Sun Moon TanZ PA AA CA
o ' " o ' " h m s Alt Alt Az o o o
144 0 0 -33 13 6 9 5 9 39 295 1.22 33.5 10.69 7.15N
144 30 0 -33 22 19 9 5 55 39 294 1.24 33.3 10.53 6.99N
145 0 0 -33 31 19 9 6 39 38 294 1.27 33.1 10.37 6.83N
145 30 0 -33 40 5 9 7 23 38 293 1.30 33.0 10.21 6.67N
146 0 0 -33 48 37 9 8 6 37 293 1.32 32.8 10.05 6.51N
146 30 0 -33 56 57 9 8 48 36 292 1.35 32.7 9.89 6.35N
147 0 0 -34 5 4 9 9 29 36 292 1.38 32.5 9.74 6.19N
147 30 0 -34 12 59 9 10 10 35 291 1.41 32.3 9.58 6.04N
148 0 0 -34 20 41 9 10 49 35 291 1.44 32.2 9.43 5.89N
148 30 0 -34 28 10 9 11 28 34 291 1.47 32.0 9.28 5.74N
149 0 0 -34 35 28 9 12 6 34 290 1.50 31.9 9.13 5.59N
149 30 0 -34 42 34 9 12 43 33 290 1.53 31.7 8.98 5.44N
150 0 0 -34 49 29 9 13 20 33 289 1.56 31.6 8.83 5.29N
150 30 0 -34 56 11 9 13 56 32 289 1.60 31.5 8.69 5.15N
151 0 0 -35 2 43 9 14 31 32 288 1.63 31.3 8.55 5.01N
151 30 0 -35 9 3 9 15 5 31 288 1.67 31.2 8.41 4.87N
152 0 0 -35 15 13 9 15 38 30 288 1.70 31.0 8.27 4.72N
152 30 0 -35 21 12 9 16 11 30 287 1.74 30.9 8.13 4.58N
153 0 0 -35 27 0 9 16 44 29 287 1.78 30.8 7.99 4.44N
153 30 0 -35 32 37 9 17 15 29 286 1.81 30.6 7.85 4.31N
154 0 0 -35 38 4 9 17 46 28 286 1.85 30.5 7.71 4.17N
Path coordinates are referred to WGS84 (as used by GPS), with the
nominal site altitude being referenced to Mean Sea Level.
Librations Long +6.28 Lat +5.81
P +11.11 D -4.30
Illumination of moon 23%+
Elongation of Moon 58
Vertical Profile Scale 1.90 km/arcsec at mean distance of moon
Horizontal Scale Factor 1.58 deg/min
At longitude 144.50:
Limiting Magnitudes for various telescope apertures (in cm)
CA\Tdia 5 10 15 20 25 30 35
3.0 5.2 6.6 7.4 8.0 8.3 8.6 8.8
5.0 5.2 6.7 7.5 8.0 8.3 8.6 8.8
7.0 6.0 7.5 8.3 8.8 9.2 9.5 9.8
9.0 6.0 7.5 8.3 8.9 9.3 9.6 9.8
11.0 6.0 7.5 8.3 8.9 9.3 9.6 9.8
Lunar Limb Profile - Canberra and Sydney