Predictions for Grazing Occultation of ZC2764, 2015 Mar 14
Graze profile
Grazing Occultation of 2674 B8 Magnitude 6.2 [Red = 6.2] s
Date: 2015 Mar 14 17h 23m, to 2015 Mar 14 17h 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
110 0 0 -32 31 18 17 23 16 6 107 9.76 183.3 186.09 4.86S
110 30 0 -32 41 21 17 23 22 6 107 9.02 183.3 186.09 4.87S
111 0 0 -32 51 25 17 23 29 7 107 8.39 183.3 186.09 4.87S
111 30 0 -33 1 30 17 23 36 7 106 7.84 183.3 186.10 4.87S
112 0 0 -33 11 34 17 23 44 8 106 7.35 183.3 186.10 4.87S
112 30 0 -33 21 39 17 23 52 8 106 6.92 183.3 186.10 4.87S
113 0 0 -33 31 45 17 24 1 9 106 6.53 183.3 186.11 4.88S
113 30 0 -33 41 50 17 24 10 9 105 6.19 183.3 186.11 4.88S
114 0 0 -33 51 55 17 24 20 10 105 5.88 183.3 186.11 4.88S
114 30 0 -34 2 0 17 24 30 10 105 5.59 183.3 186.11 4.88S
115 0 0 -34 12 5 17 24 41 11 104 5.34 183.3 186.11 4.88S
115 30 0 -34 22 10 17 24 52 11 104 5.10 183.3 186.10 4.88S
116 0 0 -34 32 15 17 25 3 12 104 4.88 183.3 186.10 4.87S
116 30 0 -34 42 19 17 25 15 12 103 4.68 183.3 186.10 4.87S
117 0 0 -34 52 23 17 25 28 13 103 4.50 183.3 186.09 4.87S
117 30 0 -35 2 26 17 25 41 13 103 4.33 183.3 186.09 4.86S
118 0 0 -35 12 29 17 25 54 13 102 4.17 183.3 186.08 4.85S
118 30 0 -35 22 31 17 26 8 14 102 4.02 183.3 186.07 4.85S
119 0 0 -35 32 32 17 26 23 14 102 3.88 183.3 186.07 4.84S
119 30 0 -35 42 32 17 26 38 15 101 3.75 183.3 186.06 4.83S
120 0 0 -35 52 33 17 26 53 15 101 3.63 183.3 186.05 4.82S
120 30 0 -36 2 31 17 27 9 16 101 3.51 183.3 186.04 4.81S
121 0 0 -36 12 28 17 27 26 16 100 3.40 183.3 186.03 4.80S
121 30 0 -36 22 24 17 27 43 17 100 3.30 183.2 186.02 4.79S
122 0 0 -36 32 18 17 28 0 17 100 3.20 183.2 186.01 4.78S
122 30 0 -36 42 11 17 28 18 18 99 3.11 183.2 185.99 4.77S
123 0 0 -36 52 2 17 28 36 18 99 3.02 183.2 185.98 4.75S
123 30 0 -37 1 52 17 28 55 19 98 2.94 183.2 185.96 4.74S
124 0 0 -37 11 40 17 29 14 19 98 2.86 183.2 185.95 4.72S
124 30 0 -37 21 27 17 29 34 20 98 2.78 183.2 185.93 4.71S
125 0 0 -37 31 11 17 29 54 20 97 2.71 183.1 185.92 4.69S
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.
2674 is variable:
2674 = NSV 10835, 6.17 to 6.20, V
C A S S I N I R E G I O N G R A Z E
Librations Long -6.57 Lat -7.27
P +186.89 D -6.27
Illumination of moon 39%-
Elongation of Moon 77
Vertical Profile Scale 2.13 km/arcsec at mean distance of moon
Horizontal Scale Factor 2.01 deg/min
At longitude 117.50:
Limiting Magnitudes for various telescope apertures (in cm)
CA\Tdia 5 10 15 20 25 30 35
0.9 4.3 5.6 6.3 6.7 6.9 7.1 7.2
2.9 4.3 5.7 6.3 6.7 7.0 7.1 7.2
4.9 5.0 6.4 7.1 7.5 7.8 8.0 8.1
6.9 5.0 6.4 7.1 7.6 7.8 8.0 8.1
8.9 5.0 6.4 7.2 7.6 7.9 8.0 8.2
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Results of Observer Scan UT
Site Long. Lat. Dist. h m s
Ash Pennell, Dunedin 170.5 -45.9 130km 18 24 42
Bob Evans, Invercargill 168.3 -46.4 53km 18 21 23
Chris Chad, Hobart 147.5 -42.9 105km 17 52 10
Lunar Limb Profile
