Predictions for Grazing Occultation of ZC2913, 2015 Dec 14
Graze profile
Grazing Occultation of 2913 A2 Magnitude 5.0 [Red = 5.0]
R2913 = 61 Sagittarii
Date: 2015 Dec 14 11h 44m, to 2015 Dec 14 11h 55m
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 -35 34 43 11 44 24 0 26 269 2.08 344.1 356.37 2.04N
110 30 0 -35 22 13 11 44 55 0 25 268 2.13 344.2 356.40 2.07N
111 0 0 -35 9 45 11 45 26 -1 25 268 2.18 344.2 356.42 2.09N
111 30 0 -34 57 21 11 45 56 -1 24 267 2.24 344.2 356.45 2.11N
112 0 0 -34 45 1 11 46 25 -2 24 267 2.29 344.2 356.47 2.14N
112 30 0 -34 32 44 11 46 53 -3 23 267 2.35 344.3 356.50 2.17N
113 0 0 -34 20 30 11 47 21 -3 23 266 2.41 344.3 356.52 2.19N
113 30 0 -34 8 21 11 47 48 -4 22 266 2.48 344.3 356.55 2.22N
114 0 0 -33 56 15 11 48 14 -4 21 265 2.54 344.3 356.58 2.25N
114 30 0 -33 44 13 11 48 40 -5 21 265 2.61 344.4 356.61 2.28N
115 0 0 -33 32 16 11 49 4 -5 20 265 2.68 344.4 356.64 2.31N
115 30 0 -33 20 22 11 49 28 -6 20 264 2.76 344.4 356.67 2.34N
116 0 0 -33 8 33 11 49 52 -6 19 264 2.84 344.5 356.70 2.37N
116 30 0 -32 56 48 11 50 15 -7 19 263 2.92 344.5 356.74 2.41N
117 0 0 -32 45 7 11 50 36 -7 18 263 3.01 344.5 356.77 2.44N
117 30 0 -32 33 31 11 50 58 -8 18 263 3.11 344.6 356.80 2.47N
118 0 0 -32 22 0 11 51 18 -8 17 262 3.20 344.6 356.84 2.51N
118 30 0 -32 10 34 11 51 38 -9 17 262 3.31 344.6 356.87 2.54N
119 0 0 -31 59 12 11 51 57 -9 16 262 3.42 344.7 356.91 2.58N
119 30 0 -31 47 55 11 52 16 -10 16 261 3.54 344.7 356.94 2.62N
120 0 0 -31 36 43 11 52 34 -10 15 261 3.66 344.7 356.98 2.65N
120 30 0 -31 25 34 11 52 51 -11 15 261 3.79 344.8 357.02 2.69N
121 0 0 -31 14 32 11 53 7 -11 14 260 3.93 344.8 357.06 2.73N
121 30 0 -31 3 34 11 53 23 -12 14 260 4.09 344.9 357.10 2.77N
122 0 0 -30 52 42 11 53 38 13 260 4.25 344.9 357.13 2.80N
122 30 0 -30 41 55 11 53 53 13 259 4.42 344.9 357.17 2.84N
123 0 0 -30 31 13 11 54 7 12 259 4.61 345.0 357.21 2.88N
123 30 0 -30 20 36 11 54 20 12 259 4.82 345.0 357.25 2.92N
124 0 0 -30 10 4 11 54 32 11 259 5.04 345.1 357.29 2.96N
124 30 0 -29 59 37 11 54 44 11 258 5.28 345.1 357.33 3.00N
125 0 0 -29 49 16 11 54 55 10 258 5.54 345.1 357.37 3.05N
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.
Librations Long -5.16 Lat -6.12
P +357.37 D +6.66
Illumination of moon 10%+
Elongation of Moon 37
Vertical Profile Scale 2.31 km/arcsec at mean distance of moon
Horizontal Scale Factor 1.93 deg/min
At longitude 117.50:
Limiting Magnitudes for various telescope apertures (in cm)
CA\Tdia 5 10 15 20 25 30 35
-1.5 5.2 6.6 7.4 7.8 8.1 8.3 8.5
0.5 5.4 6.8 7.6 8.1 8.4 8.6 8.7
2.5 5.4 6.8 7.6 8.1 8.4 8.6 8.8
4.5 5.4 6.8 7.6 8.1 8.4 8.6 8.8
6.5 5.4 6.8 7.6 8.1 8.4 8.6 8.8
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Results of Observer Scan UT
Site Long. Lat. Dist. h m s
Greg Bolt, Craigie, W Aus 115.8 -31.8 146km 11 49 41
Jacqeline Milner 116.1 -31.9 121km 11 49 56
Lunar Limb Profile
