Predictions for Grazing Occultation of ZC 1518, 2014 Apr 11, near Grafton, Qld.
Graze profile Grafton
Grazing Occultation of 1518 K3 Magnitude 6.1 [Red = 5.5]
R1518 = 43 Leonis
Date: 2014 Apr 11 7h 40m, to 2014 Apr 11 8h 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
151 30 0 -30 5 20 8 3 34 -6 34 57 1.47 23.1 0.82 5.18N
152 0 0 -30 14 19 8 4 31 -7 35 56 1.45 23.2 0.96 5.32N
152 30 0 -30 23 35 8 5 30 -7 35 55 1.42 23.3 1.10 5.45N
153 0 0 -30 33 8 8 6 29 -8 36 55 1.40 23.5 1.24 5.59N
153 30 0 -30 42 58 8 7 30 -9 36 54 1.38 23.6 1.37 5.73N
154 0 0 -30 53 5 8 8 31 -9 36 53 1.36 23.8 1.51 5.86N
154 30 0 -31 3 28 8 9 34 -10 37 52 1.34 23.9 1.64 6.00N
155 0 0 -31 14 8 8 10 37 -11 37 51 1.32 24.0 1.78 6.13N
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 3 meters [Estimated]
C A S S I N I R E G I O N G R A Z E
Librations Long -2.36 Lat +4.80
P +358.63 D -4.49
Illumination of moon 85%+
Elongation of Moon 134
Vertical Profile Scale 2.70 km/arcsec at mean distance of moon
Horizontal Scale Factor 1.47 deg/min
At longitude 144.00:
Limiting Magnitudes for various telescope apertures (in cm)
CA\Tdia 5 10 15 20 25 30 35
-0.8 1.6 3.0 3.7 4.1 4.3 4.5 4.6
1.2 1.6 3.0 3.7 4.1 4.3 4.5 4.6
3.2 1.8 3.2 3.9 4.3 4.6 4.7 4.8
5.2 2.5 3.9 4.6 5.0 5.2 5.4 5.5
7.2 2.5 3.9 4.6 5.0 5.2 5.4 5.5
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Results of Observer Scan UT
Site Long. Lat. Dist. h m s
Lunar Limb Profile - Grafton
