Predictions for Grazing Occultation of ZC 1518, 2014 Apr 11
Graze profile
Grazing Occultation of 1518 K3 Magnitude 6.1 [Red = 5.5]
R1518 = 43 Leonis
Date: 2014 Apr 11 8h 40m, to 2014 Apr 11 9h 11m
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
167 0 0 -36 49 30 8 40 6 43 27 1.06 26.6 4.39 8.74N
167 30 0 -37 6 12 8 41 26 43 26 1.06 26.7 4.47 8.81N
168 0 0 -37 23 3 8 42 45 43 25 1.06 26.8 4.53 8.88N
168 30 0 -37 40 2 8 44 5 43 23 1.06 26.8 4.59 8.94N
169 0 0 -37 57 9 8 45 25 43 22 1.06 26.9 4.65 8.99N
169 30 0 -38 14 23 8 46 44 43 21 1.06 26.9 4.70 9.04N
170 0 0 -38 31 43 8 48 4 43 20 1.06 27.0 4.74 9.09N
170 30 0 -38 49 9 8 49 23 43 19 1.07 27.0 4.78 9.13N
171 0 0 -39 6 39 8 50 42 43 18 1.07 27.1 4.82 9.17N
171 30 0 -39 24 14 8 52 1 43 16 1.07 27.1 4.86 9.20N
172 0 0 -39 41 53 8 53 19 43 15 1.08 27.1 4.88 9.23N
172 30 0 -39 59 34 8 54 37 43 14 1.08 27.2 4.91 9.26N
173 0 0 -40 17 17 8 55 54 43 13 1.09 27.2 4.93 9.28N
173 30 0 -40 35 3 8 57 11 42 12 1.09 27.2 4.95 9.29N
174 0 0 -40 52 49 8 58 28 42 11 1.10 27.2 4.96 9.30N
174 30 0 -41 10 36 8 59 43 42 9 1.11 27.2 4.97 9.31N
175 0 0 -41 28 22 9 0 58 42 8 1.11 27.2 4.97 9.32N
175 30 0 -41 46 8 9 2 13 42 7 1.12 27.2 4.97 9.32N
176 0 0 -42 3 52 9 3 27 41 6 1.13 27.2 4.97 9.31N
176 30 0 -42 21 35 9 4 40 41 5 1.14 27.2 4.96 9.31N
177 0 0 -42 39 15 9 5 52 41 4 1.15 27.2 4.95 9.30N
177 30 0 -42 56 52 9 7 3 41 3 1.16 27.2 4.94 9.28N
178 0 0 -43 14 25 9 8 14 40 2 1.17 27.2 4.92 9.27N
178 30 0 -43 31 55 9 9 24 40 1 1.18 27.1 4.90 9.25N
179 0 0 -43 49 21 9 10 32 40 360 1.20 27.1 4.88 9.22N
Path coordinates are referred to WGS84 (as used by GPS), with the
nominal site altitude being referenced to Mean Sea Level.
Projected diameter of star 3 meters [Estimated]
C A S S I N I R E G I O N G R A Z E
Librations Long -2.97 Lat +4.79
P +4.70 D -4.77
Illumination of moon 85%+
Elongation of Moon 134
Vertical Profile Scale 2.70 km/arcsec at mean distance of moon
Horizontal Scale Factor 1.29 deg/min
At longitude 173.00:
Limiting Magnitudes for various telescope apertures (in cm)
CA\Tdia 5 10 15 20 25 30 35
5.3 4.6 6.0 6.8 7.3 7.6 7.8 8.0
7.3 4.6 6.0 6.8 7.3 7.6 7.8 8.0
9.3 5.1 6.5 7.3 7.8 8.1 8.3 8.5
11.3 5.5 6.9 7.7 8.2 8.5 8.8 9.0
13.3 5.5 6.9 7.7 8.2 8.5 8.8 9.0
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Results of Observer Scan UT
Site Long. Lat. Dist. h m s
MidNZ 173.0 -41.0 62km 8 55 54
Wellington 174.8 -41.3 5km 9 0 29
Lunar Limb Profile