Predictions for Grazing Occultation of ZC3270, 2016 May 1
Graze profile
Grazing Occultation of 3270 K3 Magnitude 5.8 [Red = 5.2]
Date: 2016 May 01 18h 14m, to 2016 May 01 18h 18m
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 -31 19 12.2 18 14 6 4 98 14.53 167.2 189.76 7.57S
110 30 0 -31 23 26.4 18 14 8 4 98 13.07 167.2 189.71 7.51S
111 0 0 -31 27 36.7 18 14 11 5 98 11.86 167.2 189.67 7.48S
111 30 0 -31 31 43.5 18 14 14 5 97 10.86 167.1 189.63 7.43S
112 0 0 -31 35 46.6 18 14 17 6 97 10.01 167.1 189.57 7.37S
112 30 0 -31 39 45.8 18 14 21 6 97 9.28 167.0 189.52 7.33S
113 0 0 -31 43 41.3 18 14 25 7 96 8.65 167.0 189.47 7.28S
113 30 0 -31 47 32.8 18 14 29 7 96 8.10 166.9 189.42 7.23S
114 0 0 -31 51 20.5 18 14 34 7 96 7.61 166.9 189.37 7.18S
114 30 0 -31 55 4.2 18 14 39 8 96 7.18 166.8 189.32 7.13S
115 0 0 -31 58 43.9 18 14 45 8 95 6.79 166.8 189.27 7.08S
115 30 0 -32 2 19.5 18 14 51 9 95 6.44 166.7 189.22 7.03S
116 0 0 -32 5 51.1 18 14 57 9 95 6.12 166.6 189.16 6.97S
116 30 0 -32 9 18.6 18 15 4 10 95 5.83 166.6 189.11 6.92S
117 0 0 -32 12 41.9 18 15 11 10 94 5.57 166.5 189.06 6.87S
117 30 0 -32 16 1.1 18 15 18 11 94 5.33 166.5 189.00 6.81S
118 0 0 -32 19 16.0 18 15 26 11 94 5.10 166.4 188.95 6.76S
118 30 0 -32 22 26.6 18 15 34 12 93 4.90 166.4 188.89 6.70S
119 0 0 -32 25 32.8 18 15 43 12 93 4.71 166.3 188.84 6.64S
119 30 0 -32 28 34.7 18 15 52 12 93 4.53 166.3 188.78 6.59S
120 0 0 -32 31 32.1 18 16 1 13 93 4.36 166.2 188.72 6.53S
120 30 0 -32 34 25.0 18 16 11 13 92 4.21 166.1 188.66 6.47S
121 0 0 -32 37 13.5 18 16 21 14 92 4.06 166.1 188.60 6.41S
121 30 0 -32 39 57.3 18 16 32 14 92 3.93 166.0 188.54 6.35S
122 0 0 -32 42 36.5 18 16 43 15 91 3.80 166.0 188.48 6.29S
122 30 0 -32 45 11.3 18 16 54 15 91 3.68 165.9 188.42 6.23S
123 0 0 -32 47 41.1 18 17 6 16 91 3.56 165.8 188.36 6.17S
123 30 0 -32 50 6.1 18 17 18 16 90 3.46 165.8 188.29 6.10S
124 0 0 -32 52 26.2 18 17 31 17 90 3.35 165.7 188.23 6.04S
124 30 0 -32 54 41.5 18 17 44 17 90 3.26 165.7 188.17 5.97S
125 0 0 -32 56 51.7 18 17 57 18 89 3.17 165.6 188.10 5.91S
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]
Librations Long -5.82 Lat -2.22
P +189.16 D -1.02
Illumination of moon 32%-
Elongation of Moon 69
Vertical Profile Scale approx. 1.93 km/arcsec at mean distance of moon
Horizontal Scale Factor 1.95 deg/min
At longitude 117.50:
Limiting Magnitudes for various telescope apertures (in cm)
CA\Tdia 5 10 15 20 25 30 35
2.8 4.1 5.5 6.1 6.5 6.8 6.9 7.0
4.8 4.1 5.5 6.2 6.5 6.8 7.0 7.1
6.8 4.8 6.2 7.0 7.4 7.7 7.9 8.0
8.8 4.9 6.3 7.0 7.4 7.7 7.9 8.0
10.8 4.9 6.3 7.0 7.5 7.8 8.0 8.1
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Results of Observer Scan UT
Site Long. Lat. Dist. h m s
Adelaide 138.6 -34.6 137km 18 26 50.2
Albany 117.8 -35.0 297km 18 15 23.6
AU Mid 143.0 -30.6 289km 18 30 57.3
Canberra 149.2 -35.3 280km 18 37 51.6
Newcastle 151.7 -33.0 55km 18 41 10.1
Perth 115.9 -32.0 14km 18 14 55.2
Pt Macquarie 152.8 -31.4 98km 18 42 41.4
Sydney 151.1 -33.8 143km 18 40 18.3
Lunar Limb Profile