Predictions for Grazing Occultation of ZC 2578, 2014 Aug 7, Brisbane
Graze profile Brisbane
Grazing Occultation of 2578 A1 Magnitude 6.5 [Red = 6.5]
Date: 2014 Aug 07 12h 33m, to 2014 Aug 07 13h 17m
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 -31 54 26 12 33 0 75 329 0.26 176.0 175.01 9.14S
133 30 0 -31 51 18 12 34 3 75 326 0.27 175.8 174.88 9.27S
134 0 0 -31 48 0 12 35 7 75 324 0.28 175.7 174.74 9.40S
134 30 0 -31 44 31 12 36 10 74 322 0.28 175.6 174.61 9.54S
135 0 0 -31 40 52 12 37 13 74 319 0.29 175.4 174.47 9.68S
135 30 0 -31 37 2 12 38 16 73 317 0.30 175.3 174.33 9.81S
136 0 0 -31 33 2 12 39 20 73 315 0.30 175.1 174.20 9.95S
136 30 0 -31 28 51 12 40 23 73 313 0.31 175.0 174.07 10.08S
137 0 0 -31 24 30 12 41 26 72 311 0.32 174.9 173.93 10.21S
137 30 0 -31 19 58 12 42 29 72 309 0.33 174.7 173.80 10.34S
138 0 0 -31 15 16 12 43 32 71 307 0.34 174.6 173.67 10.48S
138 30 0 -31 10 24 12 44 34 71 306 0.35 174.5 173.54 10.60S
139 0 0 -31 5 22 12 45 37 70 304 0.36 174.4 173.41 10.73S
139 30 0 -31 0 9 12 46 40 70 302 0.37 174.2 173.29 10.86S
140 0 0 -30 54 47 12 47 42 69 301 0.38 174.1 173.16 10.98S
140 30 0 -30 49 14 12 48 44 69 299 0.39 174.0 173.04 11.11S
141 0 0 -30 43 31 12 49 47 68 298 0.40 173.9 172.92 11.23S
141 30 0 -30 37 38 12 50 49 68 297 0.41 173.7 172.79 11.35S
142 0 0 -30 31 36 12 51 50 67 295 0.42 173.6 172.67 11.47S
142 30 0 -30 25 24 12 52 52 67 294 0.43 173.5 172.56 11.59S
143 0 0 -30 19 2 12 53 54 66 293 0.44 173.4 172.44 11.70S
143 30 0 -30 12 30 12 54 55 65 292 0.46 173.3 172.33 11.82S
144 0 0 -30 5 49 12 55 56 65 291 0.47 173.2 172.21 11.93S
144 30 0 -29 58 59 12 56 57 64 290 0.48 173.1 172.10 12.04S
145 0 0 -29 51 59 12 57 58 64 289 0.49 172.9 171.99 12.15S
145 30 0 -29 44 50 12 58 58 63 288 0.51 172.8 171.88 12.26S
146 0 0 -29 37 31 12 59 58 63 287 0.52 172.7 171.78 12.36S
146 30 0 -29 30 4 13 0 58 62 286 0.53 172.6 171.67 12.47S
147 0 0 -29 22 28 13 1 58 61 285 0.55 172.5 171.57 12.57S
147 30 0 -29 14 43 13 2 58 61 284 0.56 172.4 171.47 12.67S
148 0 0 -29 6 49 13 3 57 60 283 0.57 172.3 171.37 12.77S
148 30 0 -28 58 47 13 4 56 60 282 0.59 172.2 171.28 12.87S
149 0 0 -28 50 36 13 5 54 59 281 0.60 172.1 171.18 12.96S
149 30 0 -28 42 17 13 6 52 58 281 0.62 172.0 171.09 13.05S
150 0 0 -28 33 50 13 7 50 58 280 0.63 171.9 171.00 13.14S
150 30 0 -28 25 15 13 8 48 57 279 0.65 171.9 170.91 13.23S
151 0 0 -28 16 32 13 9 45 56 278 0.66 171.8 170.82 13.32S
151 30 0 -28 7 41 13 10 42 56 278 0.68 171.7 170.74 13.40S
152 0 0 -27 58 42 13 11 38 55 277 0.69 171.6 170.65 13.48S
152 30 0 -27 49 36 13 12 34 55 276 0.71 171.5 170.57 13.57S
153 0 0 -27 40 22 13 13 30 54 276 0.73 171.4 170.50 13.64S
153 30 0 -27 31 2 13 14 25 53 275 0.74 171.4 170.42 13.72S
154 0 0 -27 21 34 13 15 20 53 274 0.76 171.3 170.34 13.79S
154 30 0 -27 11 59 13 16 14 52 274 0.78 171.2 170.27 13.87S
155 0 0 -27 2 18 13 17 8 51 273 0.80 171.2 170.20 13.94S
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.
C A S S I N I R E G I O N G R A Z E
Librations Long -6.23 Lat -6.31
P +172.86 D -6.84
Illumination of moon 85%+
Elongation of Moon 134
Vertical Profile Scale 1.92 km/arcsec at mean distance of moon
Horizontal Scale Factor 1.40 deg/min
At longitude 144.00:
Limiting Magnitudes for various telescope apertures (in cm)
CA\Tdia 5 10 15 20 25 30 35
7.9 4.7 6.2 7.0 7.5 7.8 8.1 8.3
9.9 5.4 6.9 7.7 8.2 8.6 8.8 9.0
11.9 5.6 7.1 7.9 8.4 8.8 9.0 9.2
13.9 5.6 7.1 7.9 8.4 8.8 9.0 9.3
15.9 5.6 7.1 7.9 8.4 8.8 9.1 9.3
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Results of Observer Scan UT
Site Long. Lat. Dist. h m s
Brisbane 153.1 -27.5 20km 13 13 35
Lunar Limb Profile - Brisbane.
