Predictions for Grazing Occultation of ZC 2880, 2013 Oct 12, near Brisbane
Graze profile Brisbane
Grazing Occultation of 2880 F3 Magnitude 5.1 [Red = 4.9]
R2880 = 55 Sagittarii
Date: 2013 Oct 12 8h 59m, to 2013 Oct 12 9h 49m
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
136 30 0 -33 57 8 9 6 19 -1 72 5 0.32 162.7 172.38 7.80S
137 0 0 -33 49 8 9 7 23 -2 72 3 0.32 162.6 172.25 7.93S
137 30 0 -33 40 56 9 8 29 -2 73 0 0.31 162.5 172.11 8.07S
138 0 0 -33 32 33 9 9 34 -3 73 358 0.31 162.3 171.98 8.20S
138 30 0 -33 23 57 9 10 40 -4 73 355 0.31 162.2 171.85 8.33S
139 0 0 -33 15 11 9 11 47 -4 73 353 0.31 162.1 171.72 8.46S
139 30 0 -33 6 13 9 12 53 -5 73 350 0.31 162.0 171.59 8.59S
140 0 0 -32 57 3 9 14 1 -6 73 347 0.31 161.8 171.46 8.72S
140 30 0 -32 47 41 9 15 8 -6 73 345 0.31 161.7 171.34 8.84S
141 0 0 -32 38 8 9 16 16 -7 73 342 0.31 161.6 171.21 8.97S
141 30 0 -32 28 24 9 17 24 -8 73 340 0.31 161.4 171.09 9.09S
142 0 0 -32 18 28 9 18 33 -8 73 337 0.31 161.3 170.96 9.21S
142 30 0 -32 8 20 9 19 42 -9 73 334 0.31 161.2 170.84 9.34S
143 0 0 -31 58 2 9 20 51 -10 72 332 0.32 161.1 170.72 9.46S
143 30 0 -31 47 31 9 22 0 -11 72 329 0.32 161.0 170.60 9.57S
144 0 0 -31 36 50 9 23 10 -11 72 327 0.32 160.8 170.49 9.69S
144 30 0 -31 25 57 9 24 20 -12 72 324 0.33 160.7 170.37 9.80S
145 0 0 -31 14 53 9 25 30 72 322 0.33 160.6 170.26 9.92S
145 30 0 -31 3 38 9 26 41 71 320 0.34 160.5 170.15 10.03S
146 0 0 -30 52 13 9 27 52 71 317 0.34 160.4 170.04 10.14S
146 30 0 -30 40 36 9 29 3 71 315 0.35 160.3 169.93 10.24S
147 0 0 -30 28 49 9 30 14 70 313 0.36 160.2 169.83 10.35S
147 30 0 -30 16 51 9 31 25 70 311 0.37 160.1 169.73 10.45S
148 0 0 -30 4 43 9 32 37 70 309 0.37 160.0 169.63 10.55S
148 30 0 -29 52 24 9 33 49 69 307 0.38 159.9 169.53 10.65S
149 0 0 -29 39 55 9 35 1 69 305 0.39 159.8 169.43 10.74S
149 30 0 -29 27 17 9 36 13 68 303 0.40 159.7 169.34 10.83S
150 0 0 -29 14 28 9 37 25 68 301 0.41 159.6 169.25 10.92S
150 30 0 -29 1 30 9 38 37 67 300 0.42 159.5 169.16 11.01S
151 0 0 -28 48 23 9 39 49 67 298 0.43 159.4 169.08 11.09S
151 30 0 -28 35 7 9 41 1 66 297 0.44 159.4 169.00 11.18S
152 0 0 -28 21 42 9 42 13 66 295 0.45 159.3 168.92 11.25S
152 30 0 -28 8 8 9 43 25 65 294 0.46 159.2 168.84 11.33S
153 0 0 -27 54 25 9 44 37 65 292 0.48 159.1 168.77 11.40S
153 30 0 -27 40 35 9 45 49 64 291 0.49 159.1 168.70 11.47S
154 0 0 -27 26 37 9 47 1 63 289 0.50 159.0 168.63 11.54S
154 30 0 -27 12 31 9 48 13 63 288 0.51 158.9 168.57 11.60S
155 0 0 -26 58 18 9 49 24 62 287 0.53 158.9 168.50 11.67S
Path coordinates are referred to WGS84 (as used by GPS), with the
nominal site altitude being referenced to Mean Sea Level.
Projected diameter of star 1 meters [CHARM/CADARS, 1 measures]
Librations Long +1.09 Lat -6.90
P +170.30 D -6.37
Illumination of moon 55%+
Elongation of Moon 96
Vertical Profile Scale 1.95 km/arcsec at mean distance of moon
Horizontal Scale Factor 1.35 deg/min
At longitude 144.00:
Limiting Magnitudes for various telescope apertures (in cm)
CA\Tdia 5 10 15 20 25 30 35
5.7 5.9 7.3 8.2 8.7 9.1 9.4 9.6
7.7 5.9 7.4 8.2 8.7 9.1 9.4 9.6
9.7 5.9 7.4 8.2 8.7 9.1 9.4 9.6
11.7 5.9 7.4 8.2 8.7 9.1 9.4 9.7
13.7 5.9 7.4 8.2 8.8 9.2 9.4 9.7
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Results of Observer Scan UT
Site Long. Lat. Dist. h m s
Adelaide 138.6 -34.9 161km 9 10 54
Brisbane 153.1 -27.5 41km 9 44 44
Lunar Limb Profile - near Brisbane
