Predictions for Grazing Occultation of ZC1158, 2015 Nov 29
Graze profile
Grazing Occultation of 1158cM0 Magnitude 5.0 [Red = 4.2] s
R1158 = 74 Geminorum
Date: 2015 Nov 29 12h 20m, to 2015 Nov 29 12h 24m
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
141 30 0 -27 16 32 12 20 6 0 70 99.00 0.7 350.27 12.75N
142 0 0 -27 6 55 12 20 6 1 70 98.98 0.7 350.27 12.74N
142 30 0 -26 57 17 12 20 8 1 70 54.21 0.7 350.27 12.75N
143 0 0 -26 47 39 12 20 9 2 69 37.30 0.7 350.28 12.74N
143 30 0 -26 38 0 12 20 11 2 69 28.39 0.7 350.28 12.73N
144 0 0 -26 28 21 12 20 13 3 69 22.90 0.7 350.29 12.72N
144 30 0 -26 18 43 12 20 16 3 69 19.17 0.7 350.30 12.72N
145 0 0 -26 9 4 12 20 20 3 68 16.47 0.8 350.31 12.71N
145 30 0 -25 59 27 12 20 24 4 68 14.42 0.8 350.32 12.70N
146 0 0 -25 49 50 12 20 28 4 68 12.82 0.8 350.33 12.69N
146 30 0 -25 40 14 12 20 33 5 68 11.54 0.8 350.34 12.68N
147 0 0 -25 30 38 12 20 39 5 68 10.48 0.8 350.35 12.66N
147 30 0 -25 21 4 12 20 45 6 67 9.59 0.8 350.37 12.65N
148 0 0 -25 11 31 12 20 52 6 67 8.84 0.8 350.38 12.64N
148 30 0 -25 1 59 12 21 0 7 67 8.19 0.8 350.39 12.62N
149 0 0 -24 52 29 12 21 8 7 67 7.63 0.9 350.41 12.61N
149 30 0 -24 43 0 12 21 17 8 66 7.14 0.9 350.43 12.59N
150 0 0 -24 33 32 12 21 26 8 66 6.70 0.9 350.45 12.57N
150 30 0 -24 24 7 12 21 36 9 66 6.31 0.9 350.47 12.55N
151 0 0 -24 14 42 12 21 46 10 66 5.96 0.9 350.49 12.53N
151 30 0 -24 5 20 12 21 58 10 65 5.65 1.0 350.51 12.51N
152 0 0 -23 56 0 12 22 10 11 65 5.36 1.0 350.53 12.48N
152 30 0 -23 46 42 12 22 22 11 65 5.10 1.0 350.56 12.46N
153 0 0 -23 37 26 12 22 35 12 65 4.87 1.0 350.58 12.43N
153 30 0 -23 28 12 12 22 49 12 65 4.65 1.1 350.61 12.41N
154 0 0 -23 19 0 12 23 4 13 64 4.45 1.1 350.64 12.38N
154 30 0 -23 9 51 12 23 19 13 64 4.26 1.1 350.67 12.35N
155 0 0 -23 0 45 12 23 35 14 64 4.09 1.1 350.70 12.32N
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 7 meters [CHARM/CADARS, 8 measures]
1158 is variable:
1158 = NSV 3671, 5.05, range 0.08, V
1158 is double:
This next pair is not confirmed
** 6.0 6.0 0.030" 24.0 (OCc 367) Graze path of ? 0.06 km south, and 0.0 secs later compared to the primary
Librations Long +7.45 Lat +5.37
P +351.09 D -6.28
Illumination of moon 84%-
Elongation of Moon 133
Vertical Profile Scale 2.31 km/arcsec at mean distance of moon
Horizontal Scale Factor 1.76 deg/min
At longitude 148.50:
Limiting Magnitudes for various telescope apertures (in cm)
CA\Tdia 5 10 15 20 25 30 35
8.6 3.3 4.5 5.1 5.3 5.5 5.6 5.6
10.6 3.7 5.0 5.5 5.8 6.0 6.1 6.2
12.6 3.7 5.0 5.5 5.8 6.0 6.1 6.2
14.6 3.7 5.0 5.6 5.9 6.0 6.1 6.2
16.6 3.8 5.0 5.6 5.9 6.0 6.2 6.2
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Results of Observer Scan UT
Site Long. Lat. Dist. h m s
Bundaberg 152.3 -24.8 102km 12 22 18
Rockhampton 150.5 -23.4 109km 12 21 36
Lunar Limb Profile