Predictions for Grazing Occultation of ZC 3247, 2009 May 17
Grazing Occultation of 3247cG5 Magnitude 7.0 [Red = 6.5]
R3247 = 36 Aquarii
Date: 2009 May 17 16h 14m, to 2009 May 17 16h 23m
Nominal site altitude 100m
E. Longit. Latitude U.T. Sun Moon TanZ PA AA CA
o ' " o ' " h m s Alt Alt Az o o o
173 30 0 -39 33 23 16 13 31 42 60 1.09 328.0 347.29 11.56N
173 40 0 -39 30 37 16 13 47 43 60 1.09 327.9 347.23 11.62N
173 50 0 -39 27 49 16 14 4 43 59 1.08 327.8 347.17 11.68N
174 0 0 -39 25 0 16 14 21 43 59 1.07 327.8 347.12 11.74N
174 10 0 -39 22 10 16 14 39 43 59 1.07 327.7 347.06 11.79N
174 20 1 -39 19 17 16 14 56 43 59 1.06 327.7 347.00 11.85N
174 30 1 -39 16 24 16 15 13 44 59 1.05 327.6 346.94 11.91N
174 40 1 -39 13 28 16 15 31 44 58 1.05 327.5 346.89 11.97N
174 50 1 -39 10 32 16 15 48 44 58 1.04 327.5 346.83 12.03N
175 0 1 -39 7 33 16 16 6 44 58 1.03 327.4 346.77 12.09N
175 10 1 -39 4 33 16 16 24 44 58 1.03 327.4 346.71 12.14N
175 20 1 -39 1 32 16 16 41 44 58 1.02 327.3 346.65 12.20N
175 30 1 -38 58 28 16 16 59 45 57 1.01 327.3 346.59 12.26N
175 40 2 -38 55 24 16 17 17 45 57 1.01 327.2 346.53 12.32N
175 50 2 -38 52 17 16 17 36 45 57 1.00 327.1 346.47 12.38N
176 0 2 -38 49 9 16 17 54 45 57 0.99 327.1 346.41 12.44N
176 10 2 -38 45 59 16 18 12 45 57 0.99 327.0 346.35 12.50N
176 20 2 -38 42 48 16 18 31 46 56 0.98 327.0 346.29 12.56N
176 30 2 -38 39 35 16 18 50 46 56 0.97 326.9 346.23 12.62N
176 40 2 -38 36 20 16 19 8 46 56 0.97 326.8 346.17 12.68N
176 50 2 -38 33 4 16 19 27 46 56 0.96 326.8 346.11 12.74N
177 0 3 -38 29 46 16 19 46 46 55 0.95 326.7 346.05 12.80N
177 10 3 -38 26 26 16 20 5 47 55 0.95 326.7 345.99 12.86N
177 20 3 -38 23 5 16 20 24 47 55 0.94 326.6 345.93 12.93N
177 30 3 -38 19 41 16 20 44 47 55 0.94 326.5 345.87 12.99N
177 40 3 -38 16 16 16 21 3 47 55 0.93 326.5 345.81 13.05N
177 50 3 -38 12 50 16 21 23 47 54 0.92 326.4 345.75 13.11N
178 0 3 -38 9 21 16 21 42 47 54 0.92 326.3 345.68 13.17N
178 10 3 -38 5 51 16 22 2 48 54 0.91 326.3 345.62 13.23N
178 20 3 -38 2 19 16 22 22 48 54 0.90 326.2 345.56 13.30N
178 30 4 -37 58 45 16 22 42 48 53 0.90 326.2 345.50 13.36N
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 1 meters
3247 is double: AB 7.8 7.8 0.10" 90.0
Librations Long -5.14 Lat -3.45
P +346.75 D +4.82
Illumination of moon 46%-
Elongation of Moon 85
Vertical Profile Scale 1.94 km/arcsec at mean distance of moon
Horizontal Scale Factor 1.41 deg/min
At longitude 176.00:
Limiting Magnitudes for various telescope apertures (in cm)
CA\Tdia 5 10 15 20 25 30 35
8.4 5.8 7.3 8.1 8.6 9.0 9.3 9.5
10.4 5.9 7.3 8.1 8.7 9.0 9.3 9.5
12.4 5.9 7.3 8.1 8.7 9.1 9.3 9.5
14.4 5.9 7.3 8.2 8.7 9.1 9.3 9.6
16.4 5.9 7.4 8.2 8.7 9.1 9.4 9.6
Lunar Limb Profile
