Predictions for Grazing Occultation of ZC3280, 2016 May 1
Graze profile
Grazing Occultation of 3280 K0 Magnitude 7.2 [Red = 6.6]
Date: 2016 May 01 20h 9m, to 2016 May 01 20h 24m
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
110 0 0 -32 45 18.4 20 9 0 27 83 1.93 163.8 186.47 4.27S
110 30 0 -32 45 18.8 20 9 23 28 82 1.89 163.7 186.38 4.19S
111 0 0 -32 45 12.8 20 9 47 28 82 1.85 163.6 186.29 4.10S
111 30 0 -32 45 0.5 20 10 10 29 82 1.82 163.5 186.21 4.01S
112 0 0 -32 44 41.7 20 10 35 29 81 1.78 163.4 186.12 3.93S
112 30 0 -32 44 16.5 20 11 0 30 81 1.74 163.3 186.03 3.84S
113 0 0 -32 43 44.7 20 11 25 30 80 1.71 163.2 185.94 3.75S
113 30 0 -32 43 6.2 20 11 51 31 80 1.67 163.2 185.85 3.66S
114 0 0 -32 42 21.0 20 12 17 31 80 1.64 163.1 185.76 3.56S
114 30 0 -32 41 29.0 20 12 44 32 79 1.61 163.0 185.66 3.47S
115 0 0 -32 40 30.2 20 13 11 32 79 1.58 162.9 185.57 3.38S
115 30 0 -32 39 24.4 20 13 39 33 79 1.55 162.8 185.47 3.28S
116 0 0 -32 38 11.7 20 14 8 33 78 1.52 162.7 185.38 3.19S
116 30 0 -32 36 51.8 20 14 37 34 78 1.49 162.6 185.28 3.09S
117 0 0 -32 35 24.8 20 15 6 34 77 1.46 162.5 185.18 2.99S
117 30 0 -32 33 50.6 20 15 36 35 77 1.43 162.4 185.08 2.89S
118 0 0 -32 32 9.0 20 16 6 35 77 1.40 162.3 184.98 2.79S
118 30 0 -32 30 20.1 20 16 38 36 76 1.38 162.2 184.88 2.69S
119 0 0 -32 28 23.7 20 17 9 37 76 1.35 162.1 184.78 2.59S
119 30 0 -32 26 19.7 20 17 41 37 75 1.32 162.0 184.68 2.48S
120 0 0 -32 24 8.1 20 18 14 38 75 1.30 161.9 184.57 2.38S
120 30 0 -32 21 48.8 20 18 47 38 74 1.27 161.8 184.47 2.27S
121 0 0 -32 19 21.7 20 19 21 39 74 1.25 161.7 184.36 2.17S
121 30 0 -32 16 46.7 20 19 55 39 74 1.23 161.6 184.25 2.06S
122 0 0 -32 14 3.7 20 20 30 40 73 1.20 161.5 184.15 1.96S
122 30 0 -32 11 12.6 20 21 6 40 73 1.18 161.3 184.04 1.85S
123 0 0 -32 8 13.4 20 21 42 41 72 1.16 161.2 183.93 1.74S
123 30 0 -32 5 6.0 20 22 18 41 72 1.14 161.1 183.82 1.63S
124 0 0 -32 1 50.2 20 22 56 42 71 1.11 161.0 183.70 1.51S
124 30 0 -31 58 25.9 20 23 34 42 71 1.09 160.9 183.59 1.40S
125 0 0 -31 54 53.2 20 24 12 43 70 1.07 160.8 183.47 1.28S
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]
C A S S I N I R E G I O N G R A Z E
Librations Long -5.93 Lat -2.10
P +185.25 D -1.31
Illumination of moon 31%-
Elongation of Moon 68
Vertical Profile Scale approx. 1.92 km/arcsec at mean distance of moon
Horizontal Scale Factor 1.61 deg/min
At longitude 117.50:
Limiting Magnitudes for various telescope apertures (in cm)
CA\Tdia 5 10 15 20 25 30 35
-1.1 3.3 4.7 5.4 5.8 6.1 6.3 6.5
0.9 5.1 6.5 7.3 7.8 8.1 8.4 8.6
2.9 5.1 6.5 7.3 7.8 8.1 8.4 8.6
4.9 5.1 6.5 7.3 7.8 8.2 8.4 8.6
6.9 5.9 7.3 8.1 8.7 9.0 9.3 9.5
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Results of Observer Scan UT
Site Long. Lat. Dist. h m s
Lunar Limb Profile
