Predictions for Grazing Occultation of ZC 3128, 2013 Apr 5, near Albury, NSW
Graze profile
Grazing Occultation of 3128 M0 Magnitude 6.0 [Red = 5.2]
R3128 = 17 Aquarii
Date: 2013 Apr 05 18h 28m, to 2013 Apr 05 18h 39m
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
138 0 0 -35 51 35 18 27 51 20 87 2.72 343.4 1.54 2.21N
138 30 0 -35 53 0 18 28 12 21 87 2.65 343.3 1.46 2.28N
139 0 0 -35 54 18 18 28 33 21 86 2.59 343.3 1.38 2.36N
139 30 0 -35 55 31 18 28 55 22 86 2.53 343.2 1.30 2.44N
140 0 0 -35 56 38 18 29 17 22 86 2.47 343.1 1.22 2.52N
140 30 0 -35 57 39 18 29 40 23 85 2.41 343.0 1.13 2.61N
141 0 0 -35 58 33 18 30 3 23 85 2.35 342.9 1.05 2.69N
141 30 0 -35 59 22 18 30 27 24 84 2.30 342.8 0.97 2.77N
142 0 0 -36 0 4 18 30 52 24 84 2.25 342.8 0.88 2.86N
142 30 0 -36 0 40 18 31 17 24 84 2.20 342.7 0.80 2.94N
143 0 0 -36 1 9 18 31 42 25 83 2.15 342.6 0.71 3.03N
143 30 0 -36 1 32 18 32 8 25 83 2.10 342.5 0.62 3.12N
144 0 0 -36 1 48 18 32 34 26 82 2.05 342.4 0.53 3.21N
144 30 0 -36 1 58 18 33 1 26 82 2.01 342.3 0.44 3.30N
145 0 0 -36 2 1 18 33 29 27 82 1.97 342.2 0.35 3.39N
145 30 0 -36 1 58 18 33 57 27 81 1.93 342.1 0.26 3.48N
146 0 0 -36 1 47 18 34 26 28 81 1.89 342.0 0.16 3.58N
146 30 0 -36 1 30 18 34 55 28 80 1.85 341.9 0.07 3.67N
147 0 0 -36 1 6 18 35 25 29 80 1.81 341.9 359.97 3.77N
147 30 0 -36 0 35 18 35 55 29 80 1.77 341.8 359.88 3.86N
148 0 0 -35 59 56 18 36 26 30 79 1.74 341.7 359.78 3.96N
148 30 0 -35 59 11 18 36 58 30 79 1.70 341.6 359.68 4.06N
149 0 0 -35 58 18 18 37 30 31 78 1.67 341.5 359.58 4.16N
149 30 0 -35 57 17 18 38 3 31 78 1.63 341.4 359.48 4.26N
150 0 0 -35 56 10 18 38 36 32 78 1.60 341.3 359.38 4.36N
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 5 meters [Estimated]
Librations Long +5.15 Lat -7.00
P -0.12 D +7.31
Illumination of moon 22%-
Elongation of Moon 56
Vertical Profile Scale 1.94 km/arcsec at mean distance of moon
Horizontal Scale Factor 1.72 deg/min
At longitude 144.00:
Limiting Magnitudes for various telescope apertures (in cm)
CA\Tdia 5 10 15 20 25 30 35
-0.8 3.3 4.6 5.3 5.8 6.0 6.2 6.3
1.2 5.0 6.4 7.2 7.7 8.0 8.3 8.4
3.2 5.0 6.5 7.2 7.7 8.1 8.3 8.5
5.2 5.0 6.5 7.2 7.7 8.1 8.3 8.5
7.2 5.8 7.3 8.1 8.6 9.0 9.3 9.5
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Results of Observer Scan UT
Site Long. Lat. Dist. h m s
Adelaide 138.6 -34.9 108km 18 28 16
Bendigo 144.3 -36.8 85km 18 32 52
Canberra 149.2 -35.3 76km 18 37 40
Melbourne 145.0 -37.8 198km 18 33 27
Sydney 151.1 -33.8 228km 18 39 50
Lunar Limb Profile
