Predictions for Grazing Occultation of ZC1549, 2015 Apr 1
Graze profile
Grazing Occultation of 1549cG8 Magnitude 5.1 [Red = 4.6] v
R1549 = 48 Leonis
Date: 2015 Apr 01 9h 46m, to 2015 Apr 01 10h 29m
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 -36 14 6 9 46 7 -11 28 57 1.89 20.7 357.65 2.14N
135 30 0 -36 21 2 9 46 56 -12 28 56 1.86 20.9 357.76 2.25N
136 0 0 -36 28 15 9 47 45 29 55 1.83 21.0 357.88 2.37N
136 30 0 -36 35 43 9 48 36 29 55 1.80 21.1 357.99 2.48N
137 0 0 -36 43 26 9 49 27 29 54 1.77 21.2 358.11 2.60N
137 30 0 -36 51 26 9 50 20 30 53 1.74 21.3 358.23 2.72N
138 0 0 -36 59 41 9 51 13 30 53 1.72 21.4 358.35 2.84N
138 30 0 -37 8 12 9 52 7 31 52 1.69 21.6 358.46 2.95N
139 0 0 -37 17 0 9 53 3 31 51 1.67 21.7 358.58 3.07N
139 30 0 -37 26 4 9 53 59 31 50 1.64 21.8 358.70 3.18N
140 0 0 -37 35 23 9 54 56 32 50 1.62 21.9 358.81 3.30N
140 30 0 -37 44 59 9 55 54 32 49 1.60 22.0 358.93 3.41N
141 0 0 -37 54 52 9 56 53 32 48 1.58 22.1 359.04 3.53N
141 30 0 -38 5 0 9 57 53 33 47 1.56 22.2 359.15 3.64N
142 0 0 -38 15 25 9 58 53 33 46 1.54 22.4 359.26 3.75N
142 30 0 -38 26 6 9 59 55 33 46 1.52 22.5 359.38 3.86N
143 0 0 -38 37 3 10 0 57 34 45 1.51 22.6 359.49 3.97N
143 30 0 -38 48 15 10 2 0 34 44 1.49 22.7 359.59 4.08N
144 0 0 -38 59 44 10 3 4 34 43 1.48 22.8 359.70 4.19N
144 30 0 -39 11 28 10 4 9 34 42 1.46 22.9 359.80 4.29N
145 0 0 -39 23 28 10 5 14 35 41 1.45 23.0 359.91 4.39N
145 30 0 -39 35 44 10 6 20 35 40 1.43 23.1 0.01 4.50N
146 0 0 -39 48 14 10 7 27 35 40 1.42 23.2 0.11 4.59N
146 30 0 -40 1 0 10 8 34 35 39 1.41 23.3 0.21 4.69N
147 0 0 -40 14 0 10 9 42 36 38 1.40 23.4 0.30 4.79N
147 30 0 -40 27 14 10 10 51 36 37 1.39 23.5 0.39 4.88N
148 0 0 -40 40 42 10 11 59 36 36 1.38 23.6 0.48 4.97N
148 30 0 -40 54 24 10 13 9 36 35 1.37 23.7 0.57 5.05N
149 0 0 -41 8 20 10 14 19 36 34 1.37 23.7 0.65 5.14N
149 30 0 -41 22 28 10 15 29 36 33 1.36 23.8 0.74 5.22N
150 0 0 -41 36 49 10 16 39 36 32 1.35 23.9 0.81 5.30N
150 30 0 -41 51 22 10 17 50 37 31 1.35 24.0 0.89 5.37N
151 0 0 -42 6 6 10 19 1 37 30 1.35 24.1 0.96 5.45N
151 30 0 -42 21 2 10 20 12 37 29 1.34 24.1 1.03 5.52N
152 0 0 -42 36 8 10 21 23 37 28 1.34 24.2 1.10 5.58N
152 30 0 -42 51 24 10 22 35 37 27 1.34 24.3 1.16 5.64N
153 0 0 -43 6 50 10 23 46 37 26 1.34 24.3 1.22 5.70N
153 30 0 -43 22 25 10 24 58 37 25 1.33 24.4 1.27 5.76N
154 0 0 -43 38 9 10 26 9 37 24 1.33 24.4 1.33 5.81N
154 30 0 -43 54 0 10 27 21 37 23 1.34 24.5 1.38 5.86N
155 0 0 -44 9 59 10 28 32 37 22 1.34 24.5 1.42 5.90N
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 4 meters [CHARM/CADARS, 4 measures]
1549 is variable:
1549 = HIP 51775, 5.07, range 0.00, 4V, Type VAR, Period 0.09302 days
1549 is double:
This next pair is not confirmed
** 6.0 6.0 0.10" 90.0 (OCc 197) Graze path of ? 0.11 km south, and 0.3 secs later compared to the primary
C A S S I N I R E G I O N G R A Z E
Librations Long +1.37 Lat +2.92
P +359.97 D -2.66
Illumination of moon 92%+
Elongation of Moon 147
Vertical Profile Scale 3.09 km/arcsec at mean distance of moon
Horizontal Scale Factor 1.34 deg/min
At longitude 145.00:
Limiting Magnitudes for various telescope apertures (in cm)
CA\Tdia 5 10 15 20 25 30 35
0.4 2.4 3.8 4.5 5.0 5.2 5.4 5.6
2.4 2.4 3.8 4.5 5.0 5.2 5.4 5.6
4.4 2.6 4.0 4.7 5.2 5.4 5.6 5.8
6.4 3.9 5.3 6.1 6.5 6.8 7.0 7.2
8.4 4.4 5.8 6.6 7.0 7.3 7.6 7.7
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Results of Observer Scan UT
Site Long. Lat. Dist. h m s
Lunar Limb Profile
