Predictions for Grazing Occultation of ZC 764, 2015 Sep 5
Graze profile
Grazing Occultation of 764cG4 Magnitude 4.9 [Red = 4.6]
R764 = 104 Tauri
Date: 2015 Sep 05 18h 13m, to 2015 Sep 05 18h 47m
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
135 0 0 -33 58 12 18 13 9 23 46 2.39 348.3 353.74 6.25N
135 30 0 -33 45 36 18 13 42 23 45 2.33 348.3 353.74 6.26N
136 0 0 -33 33 1 18 14 15 24 45 2.27 348.3 353.74 6.25N
136 30 0 -33 20 26 18 14 50 24 44 2.22 348.3 353.75 6.25N
137 0 0 -33 7 51 18 15 25 25 44 2.17 348.3 353.75 6.24N
137 30 0 -32 55 17 18 16 1 25 44 2.11 348.3 353.76 6.23N
138 0 0 -32 42 44 18 16 39 26 43 2.06 348.3 353.77 6.22N
138 30 0 -32 30 11 18 17 17 26 43 2.02 348.3 353.79 6.21N
139 0 0 -32 17 40 18 17 56 27 42 1.97 348.3 353.80 6.19N
139 30 0 -32 5 11 18 18 36 27 42 1.93 348.3 353.82 6.18N
140 0 0 -31 52 43 18 19 17 28 41 1.88 348.4 353.84 6.16N
140 30 0 -31 40 17 18 19 59 29 41 1.84 348.4 353.86 6.13N
141 0 0 -31 27 53 18 20 42 29 40 1.80 348.4 353.89 6.11N
141 30 0 -31 15 31 18 21 26 30 39 1.76 348.4 353.92 6.08N
142 0 0 -31 3 12 18 22 11 30 39 1.72 348.5 353.95 6.05N
142 30 0 -30 50 56 18 22 56 31 38 1.69 348.5 353.98 6.02N
143 0 0 -30 38 44 18 23 43 31 38 1.65 348.5 354.01 5.98N
143 30 0 -30 26 34 18 24 31 32 37 1.62 348.6 354.05 5.95N
144 0 0 -30 14 29 18 25 20 32 37 1.59 348.6 354.09 5.90N
144 30 0 -30 2 27 18 26 9 33 36 1.56 348.7 354.14 5.86N
145 0 0 -29 50 30 18 27 0 33 35 1.52 348.7 354.19 5.81N
145 30 0 -29 38 37 18 27 51 34 35 1.49 348.8 354.24 5.76N
146 0 0 -29 26 49 18 28 44 34 34 1.47 348.8 354.29 5.71N
146 30 0 -29 15 7 18 29 38 35 34 1.44 348.9 354.35 5.65N
147 0 0 -29 3 30 18 30 32 35 33 1.41 348.9 354.41 5.59N
147 30 0 -28 51 59 18 31 27 36 32 1.38 349.0 354.47 5.53N
148 0 0 -28 40 34 18 32 24 36 32 1.36 349.1 354.54 5.46N
148 30 0 -28 29 16 18 33 21 37 31 1.34 349.1 354.61 5.39N
149 0 0 -28 18 5 18 34 19 37 30 1.31 349.2 354.68 5.31N
149 30 0 -28 7 1 18 35 18 38 29 1.29 349.3 354.76 5.24N
150 0 0 -27 56 5 18 36 18 38 29 1.27 349.4 354.85 5.15N
150 30 0 -27 45 18 18 37 19 39 28 1.25 349.5 354.93 5.07N
151 0 0 -27 34 38 18 38 21 39 27 1.22 349.5 355.02 4.98N
151 30 0 -27 24 7 18 39 24 40 26 1.20 349.6 355.11 4.89N
152 0 0 -27 13 46 18 40 27 40 26 1.19 349.7 355.21 4.79N
152 30 0 -27 3 34 18 41 32 41 25 1.17 349.8 355.31 4.69N
153 0 0 -26 53 32 18 42 37 41 24 1.15 349.9 355.42 4.58N
153 30 0 -26 43 41 18 43 43 41 23 1.13 350.1 355.53 4.47N
154 0 0 -26 34 0 18 44 49 42 22 1.12 350.2 355.64 4.36N
154 30 0 -26 24 30 18 45 57 42 21 1.10 350.3 355.76 4.24N
155 0 0 -26 15 12 18 47 5 43 21 1.08 350.4 355.88 4.12N
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.
Projected diameter of star 2 meters [Estimated]
764 is double:
AB 5.8 5.8 0.10" 55.6 (A 3010) Graze path of B 0.10 km south, and 0.3 secs later compared to A
C A S S I N I R E G I O N G R A Z E
Librations Long +7.84 Lat +5.97
P +354.99 D -6.48
Illumination of moon 46%-
Elongation of Moon 85
Vertical Profile Scale 2.52 km/arcsec at mean distance of moon
Horizontal Scale Factor 1.36 deg/min
At longitude 145.00:
Limiting Magnitudes for various telescope apertures (in cm)
CA\Tdia 5 10 15 20 25 30 35
1.8 4.9 6.3 7.1 7.6 7.9 8.1 8.3
3.8 5.6 7.1 7.9 8.4 8.7 9.0 9.1
5.8 5.7 7.1 7.9 8.4 8.8 9.0 9.2
7.8 5.7 7.2 7.9 8.5 8.8 9.1 9.2
9.8 5.7 7.2 8.0 8.5 8.8 9.1 9.3
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Results of Observer Scan UT
Site Long. Lat. Dist. h m s
AU Mid 143.0 -30.6 5km 18 23 43
Brisbane 153.1 -27.5 62km 18 42 43
Bundaberg 152.3 -24.8 241km 18 41 10
Lunar Limb Profile