Predictions for Grazing Occultation of ZC 2686, 2014 Jul 11, Bundaberg, Qld.
Graze profile Bundberg
Grazing Occultation of 2686SB9 Magnitude 5.1 [Red = 5.1]
Date: 2014 Jul 11 16h 23m, to 2014 Jul 11 16h 59m
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 59 30 16 22 42 60 289 0.58 168.6 171.32 31.61S
133 30 0 -31 49 55 16 23 40 59 288 0.60 168.5 171.23 31.69S
134 0 0 -31 40 11 16 24 38 59 287 0.61 168.4 171.15 31.77S
134 30 0 -31 30 20 16 25 35 58 286 0.62 168.3 171.07 31.85S
135 0 0 -31 20 22 16 26 32 58 285 0.64 168.2 171.00 31.92S
135 30 0 -31 10 16 16 27 29 57 284 0.65 168.2 170.92 31.99S
136 0 0 -31 0 2 16 28 26 56 284 0.66 168.1 170.85 32.06S
136 30 0 -30 49 41 16 29 22 56 283 0.68 168.0 170.78 32.13S
137 0 0 -30 39 13 16 30 18 55 282 0.69 168.0 170.72 32.19S
137 30 0 -30 28 38 16 31 14 55 281 0.71 167.9 170.65 32.26S
138 0 0 -30 17 57 16 32 9 54 280 0.73 167.8 170.59 32.32S
138 30 0 -30 7 8 16 33 4 53 280 0.74 167.8 170.52 32.38S
139 0 0 -29 56 14 16 33 59 53 279 0.76 167.7 170.46 32.44S
139 30 0 -29 45 13 16 34 53 52 278 0.77 167.6 170.41 32.49S
140 0 0 -29 34 6 16 35 47 52 277 0.79 167.6 170.35 32.55S
140 30 0 -29 22 53 16 36 41 51 277 0.81 167.5 170.29 32.61S
141 0 0 -29 11 34 16 37 34 50 276 0.83 167.5 170.24 32.66S
141 30 0 -29 0 10 16 38 27 50 275 0.84 167.4 170.19 32.71S
142 0 0 -28 48 40 16 39 19 49 275 0.86 167.4 170.14 32.75S
142 30 0 -28 37 6 16 40 11 49 274 0.88 167.3 170.10 32.79S
143 0 0 -28 25 26 16 41 3 48 274 0.90 167.3 170.05 32.84S
143 30 0 -28 13 41 16 41 54 47 273 0.92 167.3 170.01 32.88S
144 0 0 -28 1 52 16 42 44 47 272 0.94 167.2 169.97 32.91S
144 30 0 -27 49 59 16 43 34 46 272 0.96 167.2 169.94 32.95S
145 0 0 -27 38 1 16 44 24 46 271 0.98 167.1 169.90 32.98S
145 30 0 -27 25 59 16 45 13 45 271 1.00 167.1 169.87 33.02S
146 0 0 -27 13 53 16 46 1 44 270 1.03 167.1 169.84 33.05S
146 30 0 -27 1 44 16 46 49 44 270 1.05 167.0 169.81 33.07S
147 0 0 -26 49 31 16 47 37 43 269 1.07 167.0 169.78 33.10S
147 30 0 -26 37 16 16 48 24 42 269 1.09 167.0 169.75 33.12S
148 0 0 -26 24 57 16 49 10 42 268 1.12 167.0 169.73 33.15S
148 30 0 -26 12 35 16 49 56 41 268 1.14 166.9 169.71 33.17S
149 0 0 -26 0 10 16 50 41 41 267 1.17 166.9 169.68 33.19S
149 30 0 -25 47 44 16 51 26 40 267 1.20 166.9 169.67 33.21S
150 0 0 -25 35 15 16 52 10 39 266 1.22 166.9 169.65 33.22S
150 30 0 -25 22 43 16 52 53 39 266 1.25 166.9 169.63 33.24S
151 0 0 -25 10 10 16 53 36 38 266 1.28 166.9 169.62 33.25S
151 30 0 -24 57 36 16 54 18 37 265 1.31 166.8 169.61 33.26S
152 0 0 -24 45 0 16 54 59 37 265 1.34 166.8 169.60 33.27S
152 30 0 -24 32 22 16 55 40 36 264 1.37 166.8 169.59 33.28S
153 0 0 -24 19 44 16 56 20 36 264 1.40 166.8 169.58 33.29S
153 30 0 -24 7 4 16 57 0 35 264 1.43 166.8 169.57 33.29S
154 0 0 -23 54 24 16 57 39 34 263 1.47 166.8 169.57 33.29S
154 30 0 -23 41 43 16 58 17 34 263 1.50 166.8 169.57 33.30S
155 0 0 -23 29 2 16 58 55 33 263 1.54 166.8 169.57 33.30S
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.
2686 is triple:
This next pair is not confirmed
**Aa,Ab 6.0 6.0 0.10" 90.0 (OCc 22) Graze path of ? 0.05 km north, and 0.2 secs later compared to the primary
AB 5.1 14.1 22.9" 181.9 (SEE 354) Graze path of B 46.06 km north, and 12.3 secs earlier compared to A
Librations Long -4.09 Lat -6.58
P +170.38 D -6.93
Illumination of moon 99%+
Elongation of Moon 167
Vertical Profile Scale 1.96 km/arcsec at mean distance of moon
Horizontal Scale Factor 1.63 deg/min
At longitude 144.00:
Limiting Magnitudes for various telescope apertures (in cm)
CA\Tdia 5 10 15 20 25 30 35
28.9 4.4 5.8 6.6 7.1 7.4 7.6 7.8
30.9 4.4 5.8 6.6 7.1 7.4 7.6 7.8
32.9 4.5 5.9 6.7 7.1 7.5 7.7 7.9
34.9 4.6 6.0 6.8 7.3 7.6 7.9 8.0
36.9 4.7 6.2 6.9 7.4 7.8 8.0 8.2
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Double star catalogue details
WDS entries
RA Dec Name Y1 Y2 N PA PA Sep Sep M1 M2
18314-1824OCC 22Aa,Ab 1923 1923 0 -1 -1 0.1 0.1 6.0 6.0 A0Vn -002-021 183126.30-182409.5
18314-1824SEE 354AB 1897 2000 6 183 182 25.5 23.2 5.14 14.1 A0Vn -006-023 -18 4988 183126.30-182409.5
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Results of Observer Scan UT
Site Long. Lat. Dist. h m s
Albany 117.8 -35.0 71km 15 52 48
Bundaberg 152.3 -24.8 19km 16 55 27
Rockhampton 150.5 -23.4 203km 16 52 53
Lunar Limb Profile - Bundaberg
