Predictions for Grazing Occultation of ZC1941, 2016 Jan 30
Graze profile
Grazing Occultation of 1941 M3 Magnitude 4.7 [Red = 3.8] s
R1941 = 74 Virginis
Date: 2016 Jan 30 14h 9m, to 2016 Jan 30 14h 27m
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
135 0 0 -31 37 43.6 14 8 45 6 94 9.43 199.9 177.12 -0.55S
135 30 0 -31 42 53.0 14 8 56 7 93 8.75 200.0 177.19 -0.48S
136 0 0 -31 48 11.5 14 9 8 7 93 8.15 200.1 177.27 -0.40S
136 30 0 -31 53 38.5 14 9 20 7 93 7.63 200.2 177.34 -0.33S
137 0 0 -31 59 14.2 14 9 34 8 93 7.17 200.2 177.41 -0.26S
137 30 0 -32 4 58.7 14 9 48 8 92 6.75 200.3 177.49 -0.18S
138 0 0 -32 10 52.0 14 10 3 9 92 6.38 200.4 177.56 -0.11S
138 30 0 -32 16 54.2 14 10 18 9 92 6.05 200.5 177.64 -0.03S
139 0 0 -32 23 5.9 14 10 35 10 91 5.75 200.5 177.72 0.05S
139 30 0 -32 29 26.5 14 10 52 10 91 5.47 200.6 177.79 0.12S
140 0 0 -32 35 56.5 14 11 10 11 91 5.22 200.7 177.87 0.20S
140 30 0 -32 42 35.9 14 11 29 11 90 4.99 200.8 177.94 0.28S
141 0 0 -32 49 24.9 14 11 48 12 90 4.78 200.8 178.02 0.35S
141 30 0 -32 56 23.5 14 12 9 12 90 4.58 200.9 178.10 0.43S
142 0 0 -33 3 31.9 14 12 30 13 89 4.40 201.0 178.18 0.51S
142 30 0 -33 10 50.2 14 12 52 13 89 4.23 201.1 178.26 0.59S
143 0 0 -33 18 18.4 14 13 15 14 89 4.07 201.1 178.33 0.67S
143 30 0 -33 25 56.6 14 13 39 14 88 3.93 201.2 178.41 0.74S
144 0 0 -33 33 45.0 14 14 4 15 88 3.79 201.3 178.49 0.82S
144 30 0 -33 41 45.0 14 14 29 15 87 3.66 201.4 178.57 0.91S
145 0 0 -33 49 53.9 14 14 56 16 87 3.54 201.5 178.65 0.98S
145 30 0 -33 58 13.3 14 15 23 16 87 3.42 201.5 178.73 1.06S
146 0 0 -34 6 43.2 14 15 52 17 86 3.31 201.6 178.81 1.14S
146 30 0 -34 15 23.3 14 16 21 17 86 3.21 201.7 178.89 1.22S
147 0 0 -34 24 14.6 14 16 51 18 86 3.11 201.8 178.97 1.30S
147 30 0 -34 33 16.7 14 17 22 18 85 3.02 201.9 179.05 1.38S
148 0 0 -34 42 29.7 14 17 54 19 85 2.93 201.9 179.13 1.46S
148 30 0 -34 51 53.7 14 18 27 19 84 2.85 202.0 179.21 1.54S
149 0 0 -35 1 28.8 14 19 1 20 84 2.77 202.1 179.29 1.62S
149 30 0 -35 11 15.0 14 19 36 20 83 2.70 202.2 179.37 1.70S
150 0 0 -35 21 12.4 14 20 12 21 83 2.63 202.3 179.45 1.78S
150 30 0 -35 31 21.1 14 20 49 21 82 2.56 202.3 179.53 1.86S
151 0 0 -35 41 41.2 14 21 27 22 82 2.49 202.4 179.61 1.94S
151 30 0 -35 52 12.5 14 22 6 22 81 2.43 202.5 179.69 2.02S
152 0 0 -36 2 55.0 14 22 46 23 81 2.37 202.6 179.77 2.10S
152 30 0 -36 13 49.0 14 23 26 23 80 2.31 202.7 179.85 2.18S
153 0 0 -36 24 54.3 14 24 8 24 80 2.26 202.7 179.93 2.26S
153 30 0 -36 36 11.0 14 24 51 24 79 2.21 202.8 180.00 2.33S
154 0 0 -36 47 39.1 14 25 35 25 79 2.16 202.9 180.08 2.41S
154 30 0 -36 59 18.6 14 26 19 25 78 2.11 203.0 180.16 2.49S
155 0 0 -37 11 9.4 14 27 5 26 78 2.06 203.0 180.23 2.56S
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 14 meters [CHARM/CADARS, 1 measures]
1941 is variable:
1941 = NSV 6297, 4.68, range 0.07, V
C A S S I N I R E G I O N G R A Z E
Librations Long -0.80 Lat -4.13
P +178.70 D -3.89
Illumination of moon 64%-
Elongation of Moon 106
Vertical Profile Scale approx. 2.77 km/arcsec at mean distance of moon
Horizontal Scale Factor 1.75 deg/min
At longitude 145.00:
Limiting Magnitudes for various telescope apertures (in cm)
CA\Tdia 5 10 15 20 25 30 35
-3.0 2.6 3.9 4.5 4.8 5.0 5.2 5.2
-1.0 2.6 3.9 4.5 4.8 5.0 5.2 5.2
1.0 3.0 4.4 5.0 5.3 5.5 5.7 5.8
3.0 4.2 5.6 6.3 6.6 6.9 7.0 7.1
5.0 4.7 6.1 6.7 7.1 7.4 7.5 7.6
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Results of Observer Scan UT
Site Long. Lat. Dist. h m s
Canberra 149.2 -35.3 21km 14 19 12.0
Newcastle 151.7 -33.0 305km 14 22 23.1
Sydney 151.1 -33.8 193km 14 21 32.3
Lunar Limb Profile
