Predictions for Grazing Occultation of ZC1549, 2015 Jun 22
Graze profile
Grazing Occultation of 1549cG8 Magnitude 5.1 [Red = 4.6] v
R1549 = 48 Leonis
Date: 2015 Jun 22 10h 9m, to 2015 Jun 22 10h 35m
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 -24 4 50 10 9 5 41 304 1.14 28.4 5.21 5.69N
135 30 0 -24 18 19 10 10 6 41 304 1.17 28.2 5.07 5.56N
136 0 0 -24 31 37 10 11 6 40 303 1.20 28.1 4.94 5.43N
136 30 0 -24 44 44 10 12 4 39 303 1.23 28.0 4.81 5.30N
137 0 0 -24 57 39 10 13 2 39 302 1.26 27.8 4.68 5.17N
137 30 0 -25 10 24 10 13 57 38 302 1.29 27.7 4.55 5.04N
138 0 0 -25 22 57 10 14 52 37 302 1.32 27.6 4.42 4.91N
138 30 0 -25 35 19 10 15 45 37 301 1.35 27.4 4.30 4.78N
139 0 0 -25 47 31 10 16 38 36 301 1.38 27.3 4.17 4.66N
139 30 0 -25 59 32 10 17 28 35 300 1.42 27.2 4.04 4.53N
140 0 0 -26 11 22 10 18 18 35 300 1.45 27.1 3.91 4.40N
140 30 0 -26 23 2 10 19 7 34 299 1.49 26.9 3.79 4.28N
141 0 0 -26 34 31 10 19 54 33 299 1.52 26.8 3.66 4.15N
141 30 0 -26 45 50 10 20 40 33 299 1.56 26.7 3.54 4.03N
142 0 0 -26 56 59 10 21 26 32 298 1.60 26.6 3.41 3.90N
142 30 0 -27 7 58 10 22 10 31 298 1.64 26.4 3.29 3.78N
143 0 0 -27 18 47 10 22 53 31 298 1.68 26.3 3.17 3.66N
143 30 0 -27 29 26 10 23 34 30 297 1.72 26.2 3.05 3.53N
144 0 0 -27 39 56 10 24 15 30 297 1.76 26.1 2.93 3.41N
144 30 0 -27 50 16 10 24 55 29 296 1.81 26.0 2.81 3.30N
145 0 0 -28 0 26 10 25 34 28 296 1.85 25.8 2.69 3.18N
145 30 0 -28 10 27 10 26 12 28 296 1.90 25.7 2.58 3.06N
146 0 0 -28 20 19 10 26 49 27 295 1.95 25.6 2.46 2.94N
146 30 0 -28 30 2 10 27 25 27 295 2.00 25.5 2.34 2.83N
147 0 0 -28 39 36 10 28 0 26 295 2.05 25.4 2.22 2.71N
147 30 0 -28 49 0 10 28 34 25 294 2.10 25.3 2.11 2.60N
148 0 0 -28 58 17 10 29 7 25 294 2.16 25.1 1.99 2.48N
148 30 0 -29 7 24 10 29 39 24 294 2.22 25.0 1.88 2.37N
149 0 0 -29 16 23 10 30 11 24 293 2.28 24.9 1.77 2.26N
149 30 0 -29 25 13 10 30 41 23 293 2.34 24.8 1.66 2.14N
150 0 0 -29 33 55 10 31 11 23 293 2.40 24.7 1.55 2.03N
150 30 0 -29 42 29 10 31 40 22 292 2.47 24.6 1.44 1.92N
151 0 0 -29 50 54 10 32 8 21 292 2.54 24.5 1.33 1.82N
151 30 0 -29 59 12 10 32 35 21 292 2.61 24.4 1.22 1.71N
152 0 0 -30 7 21 10 33 2 20 291 2.69 24.3 1.11 1.60N
152 30 0 -30 15 23 10 33 27 20 291 2.77 24.2 1.01 1.50N
153 0 0 -30 23 16 10 33 52 19 291 2.85 24.1 0.90 1.39N
153 30 0 -30 31 3 10 34 16 19 290 2.94 23.9 0.80 1.29N
154 0 0 -30 38 41 10 34 40 18 290 3.03 23.8 0.70 1.18N
154 30 0 -30 46 12 10 35 3 18 290 3.13 23.7 0.59 1.08N
155 0 0 -30 53 36 10 35 25 17 289 3.23 23.6 0.49 0.98N
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 2 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 ? 0.08 km south, and 0.2 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 +0.70 Lat +2.82
P +2.73 D -2.52
Illumination of moon 31%+
Elongation of Moon 67
Vertical Profile Scale 1.95 km/arcsec at mean distance of moon
Horizontal Scale Factor 1.49 deg/min
At longitude 145.00:
Limiting Magnitudes for various telescope apertures (in cm)
CA\Tdia 5 10 15 20 25 30 35
-0.8 3.2 4.6 5.3 5.7 6.0 6.2 6.3
1.2 5.0 6.4 7.2 7.6 8.0 8.2 8.4
3.2 5.0 6.4 7.2 7.7 8.0 8.2 8.4
5.2 5.4 6.9 7.6 8.1 8.5 8.7 8.9
7.2 5.8 7.2 8.0 8.5 8.9 9.2 9.3
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Results of Observer Scan UT
Site Long. Lat. Dist. h m s
AU Mid 143.0 -30.6 338km 10 22 52
Pt Macquarie 152.8 -31.4 112km 10 33 44
Lunar Limb Profile
