Predictions for Grazing Occultation of ZC 51, 2008 Jun 26
Grazing Occultation of 51 cK0 Magnitude 6.8
Date 2008 June 26 (Thursday) Nominal site altitude 0m
E. Longit. Latitude U.T. Sun Moon TanZ PA WA CA
o ' " o ' " h m s Alt Alt Az o o o
137 0 0 -37 44 56 17 33 57 24 58 2.20 324.0 346.52 12.95N
137 10 0 -37 40 46 17 34 7 25 57 2.18 323.9 346.46 13.00N
137 20 0 -37 36 35 17 34 17 25 57 2.17 323.9 346.42 13.05N
137 30 0 -37 32 22 17 34 27 25 57 2.15 323.8 346.37 13.09N
137 40 0 -37 28 7 17 34 37 25 57 2.13 323.8 346.33 13.14N
137 50 0 -37 23 52 17 34 47 25 57 2.12 323.7 346.28 13.19N
138 0 0 -37 19 34 17 34 57 25 57 2.10 323.7 346.24 13.23N
138 10 0 -37 15 15 17 35 7 26 57 2.08 323.7 346.19 13.28N
138 20 0 -37 10 55 17 35 17 26 56 2.06 323.6 346.14 13.32N
138 30 0 -37 6 33 17 35 28 26 56 2.05 323.6 346.11 13.36N
138 40 0 -37 2 10 17 35 38 26 56 2.03 323.5 346.06 13.41N
138 50 0 -36 57 45 17 35 49 26 56 2.02 323.5 346.02 13.45N
139 0 0 -36 53 19 17 36 0 27 56 2.00 323.4 345.97 13.50N
139 10 0 -36 48 51 17 36 10 27 56 1.98 323.4 345.92 13.54N
139 20 0 -36 44 21 17 36 21 27 56 1.97 323.3 345.88 13.59N
139 30 0 -36 39 51 17 36 32 27 55 1.95 323.3 345.83 13.64N
139 40 0 -36 35 18 17 36 43 27 55 1.94 323.3 345.78 13.68N
139 50 0 -36 30 44 17 36 55 27 55 1.92 323.2 345.74 13.73N
140 0 0 -36 26 8 17 37 6 28 55 1.91 323.2 345.69 13.78N
140 10 0 -36 21 31 17 37 17 28 55 1.89 323.1 345.64 13.83N
140 20 0 -36 16 52 17 37 29 28 55 1.88 323.1 345.59 13.87N
140 30 0 -36 12 12 17 37 40 28 55 1.86 323.0 345.55 13.92N
140 40 0 -36 7 30 17 37 52 28 54 1.85 323.0 345.50 13.97N
140 50 0 -36 2 47 17 38 4 29 54 1.83 322.9 345.45 14.02N
141 0 0 -35 58 1 17 38 16 29 54 1.82 322.9 345.40 14.06N
141 10 0 -35 53 15 17 38 28 29 54 1.81 322.8 345.36 14.11N
141 20 0 -35 48 26 17 38 40 29 54 1.79 322.8 345.31 14.16N
141 30 0 -35 43 36 17 38 52 29 54 1.78 322.7 345.26 14.21N
141 40 1 -35 38 44 17 39 4 30 54 1.76 322.7 345.21 14.26N
141 50 1 -35 33 51 17 39 17 30 53 1.75 322.6 345.16 14.30N
142 0 1 -35 28 56 17 39 29 30 53 1.74 322.6 345.11 14.35N
142 10 1 -35 23 59 17 39 42 30 53 1.72 322.5 345.06 14.40N
142 20 1 -35 19 0 17 39 55 30 53 1.71 322.5 345.02 14.45N
142 30 1 -35 14 0 17 40 7 31 53 1.70 322.4 344.97 14.50N
142 40 1 -35 8 58 17 40 20 31 53 1.68 322.4 344.92 14.55N
142 50 1 -35 3 55 17 40 33 31 52 1.67 322.3 344.87 14.60N
143 0 1 -34 58 49 17 40 47 31 52 1.66 322.3 344.82 14.65N
143 10 1 -34 53 42 17 41 0 31 52 1.65 322.2 344.77 14.70N
143 20 1 -34 48 33 17 41 13 31 52 1.63 322.2 344.72 14.75N
143 30 1 -34 43 23 17 41 27 32 52 1.62 322.1 344.67 14.80N
143 40 1 -34 38 10 17 41 40 32 52 1.61 322.1 344.62 14.85N
143 50 1 -34 32 56 17 41 54 32 52 1.60 322.0 344.57 14.90N
144 0 1 -34 27 40 17 42 8 32 51 1.58 322.0 344.52 14.95N
144 10 1 -34 22 23 17 42 22 32 51 1.57 321.9 344.47 15.00N
144 20 1 -34 17 3 17 42 36 33 51 1.56 321.9 344.42 15.05N
144 30 1 -34 11 42 17 42 50 33 51 1.55 321.8 344.37 15.10N
144 40 1 -34 6 19 17 43 5 33 51 1.53 321.8 344.32 15.15N
144 50 1 -34 0 54 17 43 19 33 51 1.52 321.7 344.27 15.20N
145 0 1 -33 55 27 17 43 34 33 50 1.51 321.7 344.22 15.25N
145 10 1 -33 49 58 17 43 48 34 50 1.50 321.6 344.17 15.30N
145 20 1 -33 44 27 17 44 3 34 50 1.49 321.6 344.12 15.35N
145 30 1 -33 38 55 17 44 18 34 50 1.48 321.5 344.06 15.40N
145 40 1 -33 33 20 17 44 33 34 50 1.47 321.5 344.01 15.45N
145 50 1 -33 27 44 17 44 48 35 50 1.45 321.4 343.96 15.51N
146 0 1 -33 22 6 17 45 4 35 49 1.44 321.4 343.91 15.56N
146 10 1 -33 16 26 17 45 19 35 49 1.43 321.3 343.86 15.61N
146 20 1 -33 10 44 17 45 35 35 49 1.42 321.3 343.81 15.66N
146 30 1 -33 5 0 17 45 51 35 49 1.41 321.2 343.76 15.71N
146 40 1 -32 59 14 17 46 6 36 49 1.40 321.2 343.70 15.76N
146 50 1 -32 53 26 17 46 22 36 49 1.39 321.1 343.65 15.82N
147 0 1 -32 47 36 17 46 39 36 48 1.38 321.1 343.60 15.87N
147 10 1 -32 41 44 17 46 55 36 48 1.37 321.0 343.55 15.92N
147 20 1 -32 35 50 17 47 11 36 48 1.36 321.0 343.50 15.97N
147 30 1 -32 29 54 17 47 28 37 48 1.35 320.9 343.44 16.02N
147 40 1 -32 23 56 17 47 44 37 48 1.33 320.9 343.39 16.08N
147 50 1 -32 17 56 17 48 1 37 48 1.32 320.8 343.34 16.13N
148 0 1 -32 11 55 17 48 18 37 47 1.31 320.8 343.29 16.18N
148 10 1 -32 5 51 17 48 35 37 47 1.30 320.7 343.23 16.23N
148 20 1 -31 59 44 17 48 53 38 47 1.29 320.6 343.18 16.29N
148 30 1 -31 53 36 17 49 10 38 47 1.28 320.6 343.13 16.34N
148 40 1 -31 47 26 17 49 27 38 47 1.27 320.5 343.07 16.39N
148 50 1 -31 41 14 17 49 45 38 47 1.26 320.5 343.02 16.45N
149 0 1 -31 34 59 17 50 3 39 46 1.25 320.4 342.97 16.50N
149 10 1 -31 28 43 17 50 21 39 46 1.24 320.4 342.92 16.55N
149 20 1 -31 22 24 17 50 39 39 46 1.23 320.3 342.86 16.60N
149 30 1 -31 16 3 17 50 57 39 46 1.22 320.3 342.81 16.66N
149 40 1 -31 9 41 17 51 16 39 46 1.21 320.2 342.76 16.71N
149 50 1 -31 3 15 17 51 34 40 45 1.20 320.2 342.70 16.76N
150 0 1 -30 56 48 17 51 53 40 45 1.20 320.1 342.65 16.82N
150 10 1 -30 50 19 17 52 12 40 45 1.19 320.1 342.60 16.87N
150 20 1 -30 43 47 17 52 31 40 45 1.18 320.0 342.54 16.92N
150 30 1 -30 37 13 17 52 50 41 45 1.17 320.0 342.49 16.98N
150 40 2 -30 30 37 17 53 9 41 45 1.16 319.9 342.44 17.03N
150 50 2 -30 23 59 17 53 29 41 44 1.15 319.9 342.38 17.08N
151 0 2 -30 17 19 17 53 48 41 44 1.14 319.8 342.33 17.14N
151 10 2 -30 10 36 17 54 8 42 44 1.13 319.7 342.28 17.19N
151 20 2 -30 3 51 17 54 28 42 44 1.12 319.7 342.22 17.24N
151 30 2 -29 57 4 17 54 48 42 44 1.11 319.6 342.17 17.30N
151 40 2 -29 50 14 17 55 9 42 43 1.10 319.6 342.11 17.35N
151 50 2 -29 43 23 17 55 29 42 43 1.09 319.5 342.06 17.41N
152 0 2 -29 36 29 17 55 50 43 43 1.08 319.5 342.01 17.46N
152 10 2 -29 29 32 17 56 10 43 43 1.08 319.4 341.95 17.51N
152 20 2 -29 22 34 17 56 31 43 43 1.07 319.4 341.90 17.57N
152 30 2 -29 15 33 17 56 52 43 42 1.06 319.3 341.85 17.62N
152 40 2 -29 8 30 17 57 14 44 42 1.05 319.3 341.79 17.67N
152 50 2 -29 1 24 17 57 35 44 42 1.04 319.2 341.74 17.73N
153 0 2 -28 54 16 17 57 57 44 42 1.03 319.2 341.69 17.78N
153 10 2 -28 47 6 17 58 18 44 42 1.02 319.1 341.63 17.83N
153 20 2 -28 39 53 17 58 40 45 41 1.01 319.0 341.58 17.89N
153 30 2 -28 32 38 17 59 3 45 41 1.01 319.0 341.53 17.94N
153 40 2 -28 25 21 17 59 25 45 41 1.00 318.9 341.47 17.99N
153 50 2 -28 18 1 17 59 47 45 41 0.99 318.9 341.42 18.05N
154 0 2 -28 10 39 18 0 10 46 40 0.98 318.8 341.37 18.10N
Path coordinates are referred to WGS84 (as used by GPS).
51 is double : 8.0 8.0 0.100" 60.0
Graze Path of component #2 0.04km North, and 0.2 secs. later cf. primary.
Librations Long -6.22 Lat -5.40
P +341.9 D +7.4
Illumination of moon 47%-
Elongation of Moon 86
Vertical Profile Scale 1.97 km/arcsec at mean distance of moon
Horizontal Scale Factor 1.48 deg/min
Limiting Magnitudes for various telescope apertures (in mm)
CA\Tdia 50 100 150 200 250 300 350
14.1 5.9 7.3 8.1 8.7 9.1 9.3 9.5
16.1 5.9 7.3 8.2 8.7 9.1 9.4 9.6
18.1 5.9 7.4 8.2 8.7 9.1 9.4 9.6
20.1 5.9 7.4 8.2 8.7 9.1 9.4 9.6
22.1 5.9 7.4 8.2 8.7 9.1 9.4 9.6
Lunar Limb Profile
