Predictions for Grazing Occultation of ZC 51, 2013 Jan 17, near Nambour, Qld
Graze profile
Grazing Occultation of 51cK0 Magnitude 6.8 [Red = 6.1]
R51 = 45 Piscium
Date: 2013 Jan 17 9h 53m, to 2013 Jan 17 10h 2m
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
149 0 0 -27 14 14 9 52 56 -11 32 300 1.59 336.0 0.45 0.73N
149 30 0 -27 6 35 9 53 47 -11 32 299 1.62 336.1 0.60 0.88N
150 0 0 -26 59 13 9 54 37 31 299 1.65 336.3 0.75 1.03N
150 30 0 -26 52 8 9 55 26 31 298 1.68 336.4 0.90 1.18N
151 0 0 -26 45 21 9 56 13 30 298 1.72 336.6 1.04 1.32N
151 30 0 -26 38 50 9 57 0 30 297 1.75 336.7 1.19 1.47N
152 0 0 -26 32 36 9 57 45 29 297 1.79 336.9 1.33 1.61N
152 30 0 -26 26 39 9 58 29 29 296 1.82 337.0 1.48 1.76N
153 0 0 -26 20 58 9 59 12 28 296 1.86 337.2 1.62 1.90N
153 30 0 -26 15 33 9 59 55 28 295 1.90 337.3 1.76 2.04N
154 0 0 -26 10 23 10 0 36 27 295 1.95 337.4 1.90 2.18N
154 30 0 -26 5 29 10 1 16 27 294 1.99 337.6 2.04 2.32N
155 0 0 -26 0 51 10 1 55 26 294 2.03 337.7 2.18 2.45N
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]
Librations Long +6.49 Lat -5.32
P +0.70 D +5.73
Illumination of moon 34%+
Elongation of Moon 72
Vertical Profile Scale 2.69 km/arcsec at mean distance of moon
Horizontal Scale Factor 1.47 deg/min
At longitude 152.00:
Limiting Magnitudes for various telescope apertures (in cm)
CA\Tdia 5 10 15 20 25 30 35
-2.4 3.2 4.6 5.3 5.7 6.0 6.1 6.3
-0.4 3.2 4.6 5.3 5.7 6.0 6.1 6.3
1.6 4.9 6.4 7.1 7.6 7.9 8.2 8.3
3.6 5.0 6.4 7.2 7.6 8.0 8.2 8.4
5.6 5.7 7.2 8.0 8.5 8.8 9.1 9.3
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Results of Observer Scan UT
Site Long. Lat. Dist. h m s
Lunar Limb Profile
