Predictions for Grazing Occultation of ZC 3181, 2007 Jun 6
Grazing Occultation of 3181 cA7 Magnitude 6.0
3181 = 45 Capricorni
Date 2007 June 6 (Wednesday) 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
142 30 0 -38 10 55 16 44 50 49 65 0.86 330.8 348.86 10.41N
142 40 0 -38 8 50 16 45 8 50 65 0.85 330.7 348.80 10.47N
142 50 0 -38 6 44 16 45 26 50 65 0.85 330.7 348.74 10.53N
143 0 0 -38 4 36 16 45 44 50 65 0.84 330.6 348.68 10.59N
143 10 0 -38 2 26 16 46 3 50 65 0.84 330.6 348.62 10.65N
143 20 0 -38 0 15 16 46 21 50 64 0.83 330.5 348.56 10.71N
143 30 0 -37 58 3 16 46 39 50 64 0.83 330.4 348.50 10.77N
143 40 0 -37 55 49 16 46 58 51 64 0.82 330.4 348.44 10.83N
143 50 0 -37 53 33 16 47 16 51 64 0.81 330.3 348.38 10.89N
144 0 0 -37 51 16 16 47 35 51 64 0.81 330.3 348.31 10.95N
144 10 0 -37 48 57 16 47 54 51 63 0.80 330.2 348.25 11.02N
144 20 0 -37 46 37 16 48 13 51 63 0.80 330.1 348.19 11.08N
144 30 0 -37 44 14 16 48 31 52 63 0.79 330.1 348.13 11.14N
144 40 0 -37 41 51 16 48 50 52 63 0.79 330.0 348.07 11.20N
144 50 0 -37 39 25 16 49 10 52 62 0.78 330.0 348.01 11.26N
145 0 0 -37 36 58 16 49 29 52 62 0.78 329.9 347.95 11.32N
145 10 0 -37 34 30 16 49 48 52 62 0.77 329.8 347.88 11.38N
145 20 0 -37 31 59 16 50 7 53 62 0.77 329.8 347.82 11.45N
145 30 0 -37 29 27 16 50 27 53 62 0.76 329.7 347.76 11.51N
145 40 0 -37 26 54 16 50 47 53 61 0.75 329.6 347.70 11.57N
145 50 0 -37 24 19 16 51 6 53 61 0.75 329.6 347.64 11.63N
146 0 0 -37 21 41 16 51 26 53 61 0.74 329.5 347.57 11.70N
146 10 0 -37 19 3 16 51 46 54 61 0.74 329.5 347.51 11.76N
146 20 0 -37 16 22 16 52 6 54 60 0.73 329.4 347.45 11.82N
146 30 0 -37 13 40 16 52 26 54 60 0.73 329.3 347.38 11.89N
146 40 0 -37 10 56 16 52 46 54 60 0.72 329.3 347.32 11.95N
146 50 0 -37 8 11 16 53 6 54 60 0.72 329.2 347.26 12.01N
147 0 0 -37 5 23 16 53 27 55 59 0.71 329.1 347.19 12.08N
147 10 1 -37 2 34 16 53 47 55 59 0.71 329.1 347.13 12.14N
147 20 1 -36 59 43 16 54 8 55 59 0.70 329.0 347.06 12.21N
147 30 1 -36 56 50 16 54 28 55 59 0.70 328.9 347.00 12.27N
147 40 1 -36 53 56 16 54 49 55 58 0.69 328.9 346.94 12.33N
147 50 1 -36 51 0 16 55 10 56 58 0.69 328.8 346.87 12.40N
148 0 1 -36 48 1 16 55 31 56 58 0.68 328.8 346.81 12.46N
148 10 1 -36 45 2 16 55 52 56 58 0.68 328.7 346.74 12.53N
148 20 1 -36 42 0 16 56 13 56 57 0.67 328.6 346.68 12.59N
148 30 1 -36 38 56 16 56 34 56 57 0.67 328.6 346.61 12.66N
148 40 1 -36 35 51 16 56 56 57 57 0.66 328.5 346.54 12.72N
148 50 1 -36 32 43 16 57 17 57 57 0.66 328.4 346.48 12.79N
149 0 1 -36 29 34 16 57 39 57 56 0.65 328.4 346.41 12.86N
149 10 1 -36 26 23 16 58 1 57 56 0.65 328.3 346.35 12.92N
149 20 1 -36 23 10 16 58 22 57 56 0.64 328.2 346.28 12.99N
149 30 1 -36 19 55 16 58 44 58 56 0.64 328.2 346.22 13.05N
149 40 1 -36 16 39 16 59 6 58 55 0.63 328.1 346.15 13.12N
149 50 1 -36 13 20 16 59 28 58 55 0.63 328.0 346.08 13.19N
150 0 1 -36 9 59 16 59 51 58 55 0.62 328.0 346.02 13.25N
150 10 1 -36 6 37 17 0 13 58 55 0.62 327.9 345.95 13.32N
150 20 1 -36 3 12 17 0 36 59 54 0.61 327.8 345.88 13.39N
150 30 1 -35 59 45 17 0 58 59 54 0.61 327.8 345.82 13.45N
150 40 1 -35 56 17 17 1 21 59 54 0.60 327.7 345.75 13.52N
150 50 1 -35 52 46 17 1 44 59 53 0.60 327.6 345.68 13.59N
151 0 1 -35 49 14 17 2 6 59 53 0.59 327.6 345.61 13.66N
Path coordinates are referred to WGS84 (as used by GPS).
3181 is double : 6.7 6.7 0.050" 0.0
Graze Path of component #2 0.08km South, and 0.1 secs. later cf. primary.
Librations Long -5.14 Lat +1.79
P +345.5 D -0.2
Illumination of moon 69%-
Elongation of Moon 112
Vertical Profile Scale 1.90 km/arcsec at mean distance of moon
Horizontal Scale Factor 1.41 deg/min
Limiting Magnitudes for various telescope apertures (in mm)
CA\Tdia 50 100 150 200 250 300 350
9.7 5.7 7.2 8.0 8.5 8.9 9.2 9.4
11.7 5.7 7.2 8.0 8.5 8.9 9.2 9.4
13.7 5.8 7.2 8.0 8.6 8.9 9.2 9.4
15.7 5.8 7.2 8.0 8.6 8.9 9.2 9.4
17.7 5.8 7.2 8.0 8.6 9.0 9.2 9.4
Lunar Limb Profile for graze near Melbourne
Lunar Limb Profile for graze near Canberra