Predictions for Grazing Occultation of ZC 2025, 2014 Aug 3, Adelaide and Sydney
Graze profile Sydney
Grazing Occultation of 2025 A2 Magnitude 6.8 [Red = 6.8]
Date: 2014 Aug 03 12h 19m, to 2014 Aug 03 12h 33m
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
133 0 0 -35 2 34 12 19 7 33 279 1.52 193.8 172.65 5.66S
133 30 0 -35 1 28 12 19 36 33 279 1.55 193.7 172.56 5.76S
134 0 0 -35 0 15 12 20 5 32 278 1.58 193.6 172.46 5.85S
134 30 0 -34 58 56 12 20 34 32 278 1.61 193.5 172.37 5.94S
135 0 0 -34 57 30 12 21 2 31 277 1.64 193.4 172.28 6.03S
135 30 0 -34 55 58 12 21 29 31 277 1.68 193.4 172.20 6.12S
136 0 0 -34 54 20 12 21 56 30 277 1.71 193.3 172.11 6.20S
136 30 0 -34 52 35 12 22 23 30 276 1.74 193.2 172.02 6.29S
137 0 0 -34 50 44 12 22 49 29 276 1.78 193.1 171.94 6.38S
137 30 0 -34 48 47 12 23 14 29 275 1.82 193.0 171.85 6.46S
138 0 0 -34 46 44 12 23 40 28 275 1.85 192.9 171.77 6.54S
138 30 0 -34 44 35 12 24 4 28 275 1.89 192.8 171.69 6.63S
139 0 0 -34 42 20 12 24 28 27 274 1.93 192.8 171.61 6.71S
139 30 0 -34 39 59 12 24 52 27 274 1.97 192.7 171.53 6.79S
140 0 0 -34 37 32 12 25 15 26 274 2.02 192.6 171.45 6.86S
140 30 0 -34 35 0 12 25 38 26 273 2.06 192.5 171.37 6.94S
141 0 0 -34 32 22 12 26 0 25 273 2.10 192.4 171.29 7.02S
141 30 0 -34 29 38 12 26 22 25 272 2.15 192.4 171.22 7.10S
142 0 0 -34 26 49 12 26 44 24 272 2.20 192.3 171.14 7.17S
142 30 0 -34 23 54 12 27 5 24 272 2.25 192.2 171.07 7.24S
143 0 0 -34 20 54 12 27 25 23 271 2.30 192.2 170.99 7.32S
143 30 0 -34 17 48 12 27 45 23 271 2.36 192.1 170.92 7.39S
144 0 0 -34 14 37 12 28 5 23 271 2.41 192.0 170.85 7.46S
144 30 0 -34 11 21 12 28 24 22 270 2.47 191.9 170.78 7.53S
145 0 0 -34 8 0 12 28 42 22 270 2.53 191.9 170.71 7.60S
145 30 0 -34 4 33 12 29 1 21 270 2.59 191.8 170.65 7.67S
146 0 0 -34 1 2 12 29 18 21 269 2.66 191.7 170.58 7.73S
146 30 0 -33 57 25 12 29 36 20 269 2.73 191.7 170.51 7.80S
147 0 0 -33 53 44 12 29 53 20 269 2.80 191.6 170.45 7.86S
147 30 0 -33 49 57 12 30 9 19 268 2.88 191.5 170.38 7.93S
148 0 0 -33 46 6 12 30 25 19 268 2.95 191.5 170.32 7.99S
148 30 0 -33 42 10 12 30 41 18 268 3.04 191.4 170.26 8.05S
149 0 0 -33 38 9 12 30 56 18 267 3.12 191.4 170.20 8.12S
149 30 0 -33 34 4 12 31 11 17 267 3.21 191.3 170.13 8.18S
150 0 0 -33 29 54 12 31 25 17 267 3.31 191.2 170.08 8.24S
150 30 0 -33 25 40 12 31 39 16 266 3.41 191.2 170.02 8.29S
151 0 0 -33 21 21 12 31 52 16 266 3.52 191.1 169.96 8.35S
151 30 0 -33 16 57 12 32 5 15 266 3.63 191.1 169.90 8.41S
152 0 0 -33 12 29 12 32 18 15 265 3.75 191.0 169.84 8.47S
152 30 0 -33 7 57 12 32 30 14 265 3.87 190.9 169.79 8.52S
153 0 0 -33 3 21 12 32 41 14 265 4.01 190.9 169.73 8.58S
153 30 0 -32 58 40 12 32 53 14 264 4.15 190.8 169.68 8.63S
154 0 0 -32 53 55 12 33 4 13 264 4.30 190.8 169.63 8.68S
154 30 0 -32 49 6 12 33 14 13 264 4.47 190.7 169.58 8.74S
155 0 0 -32 44 13 12 33 24 12 264 4.64 190.7 169.52 8.79S
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.
Librations Long -8.29 Lat -1.64
P +171.14 D -2.67
Illumination of moon 44%+
Elongation of Moon 83
Vertical Profile Scale 1.94 km/arcsec at mean distance of moon
Horizontal Scale Factor 1.70 deg/min
At longitude 144.00:
Limiting Magnitudes for various telescope apertures (in cm)
CA\Tdia 5 10 15 20 25 30 35
3.5 4.7 6.1 6.8 7.3 7.6 7.8 7.9
5.5 5.5 6.9 7.6 8.1 8.4 8.6 8.8
7.5 5.5 6.9 7.7 8.1 8.5 8.7 8.8
9.5 5.5 6.9 7.7 8.2 8.5 8.7 8.9
11.5 5.5 6.9 7.7 8.2 8.5 8.7 8.9
------------------------------------------------------------------------------
Results of Observer Scan UT
Site Long. Lat. Dist. h m s
Adelaide 138.6 -34.9 20km 12 24 9
Bendigo 144.3 -36.8 285km 12 28 17
Lunar Limb Profile - Sydney.
