Predictions for Grazing Occultation of ZC 2578, 2014 Mar 23, near Melbourne.
Graze profile Melbourne
Grazing Occultation of 2578 A1 Magnitude 6.5 [Red = 6.5]
Date: 2014 Mar 23 17h 42m, to 2014 Mar 23 18h 19m
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 -34 33 49 17 42 21 44 84 1.05 183.8 182.67 3.78S
133 30 0 -34 41 59 17 43 5 44 83 1.03 183.7 182.60 3.71S
134 0 0 -34 50 2 17 43 48 45 82 1.01 183.6 182.53 3.64S
134 30 0 -34 57 59 17 44 32 45 82 0.99 183.6 182.46 3.58S
135 0 0 -35 5 49 17 45 17 46 81 0.97 183.5 182.39 3.51S
135 30 0 -35 13 33 17 46 1 46 81 0.96 183.4 182.32 3.43S
136 0 0 -35 21 10 17 46 46 47 80 0.94 183.4 182.25 3.36S
136 30 0 -35 28 41 17 47 32 47 79 0.92 183.3 182.18 3.29S
137 0 0 -35 36 4 17 48 18 48 79 0.90 183.2 182.10 3.21S
137 30 0 -35 43 21 17 49 4 48 78 0.89 183.1 182.02 3.14S
138 0 0 -35 50 31 17 49 51 49 77 0.87 183.1 181.95 3.06S
138 30 0 -35 57 33 17 50 38 49 77 0.86 183.0 181.87 2.98S
139 0 0 -36 4 29 17 51 25 50 76 0.84 182.9 181.78 2.90S
139 30 0 -36 11 17 17 52 12 50 75 0.82 182.8 181.70 2.81S
140 0 0 -36 17 57 17 53 0 51 74 0.81 182.7 181.62 2.73S
140 30 0 -36 24 31 17 53 48 52 74 0.79 182.6 181.53 2.64S
141 0 0 -36 30 56 17 54 37 52 73 0.78 182.6 181.45 2.56S
141 30 0 -36 37 14 17 55 26 53 72 0.77 182.5 181.36 2.47S
142 0 0 -36 43 24 17 56 15 53 71 0.75 182.4 181.27 2.38S
142 30 0 -36 49 27 17 57 4 54 71 0.74 182.3 181.18 2.29S
143 0 0 -36 55 22 17 57 54 54 70 0.73 182.2 181.09 2.20S
143 30 0 -37 1 8 17 58 44 55 69 0.71 182.1 180.99 2.11S
144 0 0 -37 6 47 17 59 34 55 68 0.70 182.0 180.90 2.01S
144 30 0 -37 12 18 18 0 25 56 67 0.69 181.9 180.80 1.91S
145 0 0 -37 17 41 18 1 15 56 66 0.67 181.8 180.70 1.82S
145 30 0 -37 22 55 18 2 6 57 66 0.66 181.7 180.61 1.72S
146 0 0 -37 28 1 18 2 58 57 65 0.65 181.6 180.51 1.62S
146 30 0 -37 32 59 18 3 49 57 64 0.64 181.5 180.41 1.52S
147 0 0 -37 37 49 18 4 41 58 63 0.63 181.4 180.30 1.42S
147 30 0 -37 42 30 18 5 33 58 62 0.62 181.3 180.20 1.31S
148 0 0 -37 47 2 18 6 25 59 61 0.60 181.2 180.10 1.21S
148 30 0 -37 51 26 18 7 17 59 60 0.59 181.1 179.99 1.11S
149 0 0 -37 55 42 18 8 10 60 59 0.58 181.0 179.88 1.00S
149 30 0 -37 59 49 18 9 3 60 58 0.57 180.9 179.78 0.89S
150 0 0 -38 3 47 18 9 56 61 57 0.56 180.8 179.67 0.78S
150 30 0 -38 7 36 18 10 49 61 55 0.55 180.7 179.56 0.67S
151 0 0 -38 11 17 18 11 43 62 54 0.54 180.6 179.45 0.56S
151 30 0 -38 14 49 18 12 36 62 53 0.53 180.4 179.34 0.45S
152 0 0 -38 18 12 18 13 30 62 52 0.52 180.3 179.22 0.34S
152 30 0 -38 21 26 18 14 24 63 51 0.51 180.2 179.11 0.23S
153 0 0 -38 24 31 18 15 18 63 50 0.51 180.1 179.00 0.11S
153 30 0 -38 27 27 18 16 13 64 48 0.50 180.0 178.88 0.00S
154 0 0 -38 30 14 18 17 7 64 47 0.49 179.9 178.77 -0.12S
154 30 0 -38 32 53 18 18 2 64 46 0.48 179.8 178.65 -0.24S
155 0 0 -38 35 22 18 18 57 65 44 0.47 179.6 178.53 -0.35S
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.
C A S S I N I R E G I O N G R A Z E
Librations Long -3.82 Lat -6.22
P +181.30 D -5.90
Illumination of moon 53%-
Elongation of Moon 94
Vertical Profile Scale 1.98 km/arcsec at mean distance of moon
Horizontal Scale Factor 1.47 deg/min
At longitude 144.00:
Limiting Magnitudes for various telescope apertures (in cm)
CA\Tdia 5 10 15 20 25 30 35
-2.0 3.1 4.5 5.3 5.8 6.1 6.3 6.5
0.0 3.1 4.5 5.3 5.8 6.1 6.3 6.5
2.0 5.0 6.4 7.2 7.7 8.1 8.4 8.6
4.0 5.8 7.3 8.1 8.6 9.0 9.3 9.5
6.0 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
Perth 115.9 -32.0 294km 17 22 26
Lunar Limb Profile - Melbourne
