Predictions for Grazing Occultation of ZC 226, 2015 Aug 5
Graze profile
Grazing Occultation of 226DK0 Magnitude 6.5 [Red = 5.7]
Date: 2015 Aug 05 15h 10m, to 2015 Aug 05 15h 30m
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 -30 40 15 15 9 44 15 71 3.77 337.5 0.35 1.65N
135 30 0 -30 32 44 15 10 1 15 70 3.64 337.5 0.28 1.72N
136 0 0 -30 25 6 15 10 19 16 70 3.52 337.4 0.19 1.80N
136 30 0 -30 17 21 15 10 37 16 70 3.40 337.3 0.11 1.89N
137 0 0 -30 9 30 15 10 55 17 70 3.29 337.2 0.02 1.97N
137 30 0 -30 1 31 15 11 15 17 69 3.19 337.1 359.94 2.06N
138 0 0 -29 53 26 15 11 35 18 69 3.09 337.0 359.85 2.14N
138 30 0 -29 45 14 15 11 55 18 69 3.00 336.9 359.77 2.23N
139 0 0 -29 36 54 15 12 16 19 68 2.91 336.9 359.68 2.32N
139 30 0 -29 28 28 15 12 38 20 68 2.82 336.8 359.59 2.40N
140 0 0 -29 19 54 15 13 1 20 68 2.74 336.7 359.51 2.49N
140 30 0 -29 11 13 15 13 24 21 67 2.66 336.6 359.42 2.58N
141 0 0 -29 2 24 15 13 48 21 67 2.59 336.5 359.33 2.67N
141 30 0 -28 53 28 15 14 12 22 67 2.52 336.4 359.24 2.76N
142 0 0 -28 44 25 15 14 38 22 66 2.45 336.3 359.15 2.85N
142 30 0 -28 35 14 15 15 4 23 66 2.38 336.2 359.06 2.94N
143 0 0 -28 25 56 15 15 30 23 66 2.32 336.1 358.97 3.03N
143 30 0 -28 16 29 15 15 58 24 65 2.26 336.1 358.87 3.12N
144 0 0 -28 6 55 15 16 26 24 65 2.20 336.0 358.78 3.22N
144 30 0 -27 57 13 15 16 55 25 65 2.14 335.9 358.69 3.31N
145 0 0 -27 47 24 15 17 25 26 64 2.09 335.8 358.60 3.40N
145 30 0 -27 37 26 15 17 55 26 64 2.04 335.7 358.50 3.50N
146 0 0 -27 27 20 15 18 27 27 64 1.99 335.6 358.41 3.59N
146 30 0 -27 17 6 15 18 59 27 63 1.94 335.5 358.31 3.68N
147 0 0 -27 6 44 15 19 32 28 63 1.89 335.4 358.22 3.78N
147 30 0 -26 56 13 15 20 6 28 63 1.84 335.3 358.12 3.87N
148 0 0 -26 45 35 15 20 40 29 62 1.80 335.2 358.03 3.97N
148 30 0 -26 34 47 15 21 16 30 62 1.76 335.1 357.93 4.07N
149 0 0 -26 23 52 15 21 52 30 62 1.71 335.0 357.83 4.16N
149 30 0 -26 12 47 15 22 30 31 61 1.67 334.9 357.74 4.26N
150 0 0 -26 1 35 15 23 8 31 61 1.63 334.8 357.64 4.36N
150 30 0 -25 50 13 15 23 47 32 61 1.59 334.7 357.54 4.45N
151 0 0 -25 38 43 15 24 27 33 60 1.56 334.6 357.45 4.55N
151 30 0 -25 27 4 15 25 8 33 60 1.52 334.5 357.35 4.65N
152 0 0 -25 15 16 15 25 50 34 59 1.48 334.4 357.25 4.75N
152 30 0 -25 3 19 15 26 33 35 59 1.45 334.3 357.15 4.85N
153 0 0 -24 51 13 15 27 16 35 59 1.42 334.2 357.05 4.94N
153 30 0 -24 38 58 15 28 1 36 58 1.38 334.1 356.95 5.04N
154 0 0 -24 26 35 15 28 47 37 58 1.35 334.0 356.86 5.14N
154 30 0 -24 14 2 15 29 34 37 58 1.32 333.9 356.76 5.24N
155 0 0 -24 1 20 15 30 22 38 57 1.29 333.8 356.66 5.34N
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 3 meters [Estimated]
226 is double:
AB 6.5 10.6 4.0" 77.1 (STT 31) Graze path of B 1.60 km north, and 8.1 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 +5.10 Lat +2.26
P +358.78 D -2.12
Illumination of moon 65%-
Elongation of Moon 108
Vertical Profile Scale 1.95 km/arcsec at mean distance of moon
Horizontal Scale Factor 1.70 deg/min
At longitude 145.00:
Limiting Magnitudes for various telescope apertures (in cm)
CA\Tdia 5 10 15 20 25 30 35
-0.6 2.8 4.1 4.8 5.2 5.5 5.7 5.8
1.4 4.2 5.5 6.3 6.7 7.0 7.2 7.3
3.4 4.6 6.0 6.7 7.1 7.4 7.6 7.8
5.4 5.3 6.7 7.5 7.9 8.2 8.4 8.6
7.4 5.4 6.8 7.5 8.0 8.3 8.5 8.6
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Results of Observer Scan UT
Site Long. Lat. Dist. h m s
Lunar Limb Profile
