Predictions for Grazing Occultation of ZC1678, 2015 Dec 31
Graze profile
Grazing Occultation of 1678 F5 Magnitude 5.8 [Red = 5.5]
R1678 = 89 Leonis
Date: 2015 Dec 31 15h 54m, to 2015 Dec 31 16h 37m
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
135 0 0 -30 21 46 15 53 43 23 72 2.31 201.5 176.68 -1.64S
135 30 0 -30 27 36 15 54 27 24 71 2.25 201.6 176.80 -1.52S
136 0 0 -30 33 38 15 55 12 24 71 2.20 201.7 176.92 -1.40S
136 30 0 -30 39 54 15 55 59 25 70 2.15 201.9 177.03 -1.29S
137 0 0 -30 46 25 15 56 46 26 70 2.09 202.0 177.15 -1.17S
137 30 0 -30 53 9 15 57 35 26 69 2.05 202.1 177.27 -1.05S
138 0 0 -31 0 7 15 58 25 27 69 2.00 202.2 177.39 -0.93S
138 30 0 -31 7 19 15 59 16 27 68 1.95 202.3 177.52 -0.80S
139 0 0 -31 14 46 16 0 8 28 67 1.91 202.5 177.64 -0.68S
139 30 0 -31 22 28 16 1 1 28 67 1.87 202.6 177.76 -0.56S
140 0 0 -31 30 24 16 1 56 29 66 1.83 202.7 177.88 -0.44S
140 30 0 -31 38 36 16 2 52 29 66 1.79 202.8 178.01 -0.31S
141 0 0 -31 47 3 16 3 48 30 65 1.75 203.0 178.13 -0.19S
141 30 0 -31 55 44 16 4 47 30 64 1.72 203.1 178.26 -0.07S
142 0 0 -32 4 42 16 5 46 31 64 1.68 203.2 178.38 0.06S
142 30 0 -32 13 55 16 6 47 31 63 1.65 203.3 178.50 0.18S
143 0 0 -32 23 23 16 7 48 32 63 1.62 203.5 178.63 0.31S
143 30 0 -32 33 7 16 8 51 32 62 1.59 203.6 178.75 0.43S
144 0 0 -32 43 7 16 9 55 33 61 1.56 203.7 178.88 0.56S
144 30 0 -32 53 22 16 11 0 33 60 1.53 203.8 179.00 0.68S
145 0 0 -33 3 54 16 12 6 34 60 1.50 203.9 179.12 0.80S
145 30 0 -33 14 41 16 13 14 34 59 1.48 204.1 179.24 0.92S
146 0 0 -33 25 45 16 14 22 35 58 1.45 204.2 179.37 1.05S
146 30 0 -33 37 4 16 15 32 35 57 1.43 204.3 179.49 1.17S
147 0 0 -33 48 39 16 16 42 35 57 1.40 204.4 179.61 1.29S
147 30 0 -34 0 30 16 17 54 36 56 1.38 204.5 179.72 1.40S
148 0 0 -34 12 36 16 19 6 36 55 1.36 204.7 179.84 1.52S
148 30 0 -34 24 58 16 20 20 37 54 1.34 204.8 179.96 1.64S
149 0 0 -34 37 36 16 21 34 37 53 1.32 204.9 180.07 1.75S
149 30 0 -34 50 29 16 22 49 38 52 1.30 205.0 180.18 1.86S
150 0 0 -35 3 36 16 24 5 38 51 1.28 205.1 180.29 1.97S
150 30 0 -35 16 59 16 25 22 38 50 1.26 205.2 180.40 2.08S
151 0 0 -35 30 37 16 26 40 39 49 1.25 205.3 180.51 2.19S
151 30 0 -35 44 29 16 27 58 39 48 1.23 205.4 180.61 2.29S
152 0 0 -35 58 35 16 29 17 39 47 1.22 205.5 180.71 2.39S
152 30 0 -36 12 55 16 30 36 40 46 1.20 205.6 180.81 2.49S
153 0 0 -36 27 28 16 31 56 40 45 1.19 205.7 180.90 2.58S
153 30 0 -36 42 14 16 33 17 40 44 1.17 205.8 181.00 2.68S
154 0 0 -36 57 13 16 34 38 41 43 1.16 205.9 181.09 2.77S
154 30 0 -37 12 23 16 35 59 41 42 1.15 206.0 181.17 2.85S
155 0 0 -37 27 46 16 37 21 41 41 1.14 206.1 181.25 2.93S
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 1 meters [Estimated]
Librations Long +2.81 Lat -0.45
P +179.11 D -0.14
Illumination of moon 64%-
Elongation of Moon 107
Vertical Profile Scale 2.74 km/arcsec at mean distance of moon
Horizontal Scale Factor 1.41 deg/min
At longitude 145.00:
Limiting Magnitudes for various telescope apertures (in cm)
CA\Tdia 5 10 15 20 25 30 35
-3.2 2.9 4.3 5.0 5.4 5.7 5.9 6.0
-1.2 2.9 4.3 5.0 5.4 5.7 5.9 6.0
0.8 2.9 4.3 5.0 5.4 5.7 5.9 6.1
2.8 4.7 6.1 6.9 7.4 7.7 7.9 8.1
4.8 5.0 6.4 7.2 7.7 8.0 8.2 8.4
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Results of Observer Scan UT
Site Long. Lat. Dist. h m s
Canberra 149.2 -35.3 58km 16 21 57
Newcastle 151.7 -33.0 279km 16 28 32
Sydney 151.1 -33.8 165km 16 26 50
Lunar Limb Profile
