Predictions for Grazing Occultation of ZC 1717, 2009 Jul 26
Grazing Occultation of 1717 G5 Magnitude 7.4 [Red = 6.9]
Date: 2009 Jul 26 6h 59m, to 2009 Jul 26 7h 5m
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 -36 50 56 6 58 44 38 299 1.27 33.5 10.80 7.19N
173 40 0 -36 54 5 6 58 59 38 298 1.28 33.5 10.75 7.14N
173 50 0 -36 57 12 6 59 13 38 298 1.29 33.4 10.70 7.09N
174 0 0 -37 0 18 6 59 27 38 298 1.30 33.4 10.65 7.04N
174 10 0 -37 3 22 6 59 41 37 298 1.31 33.3 10.60 6.99N
174 20 1 -37 6 25 6 59 55 37 298 1.31 33.3 10.55 6.94N
174 30 1 -37 9 27 7 0 9 37 298 1.32 33.2 10.50 6.89N
174 40 1 -37 12 27 7 0 22 37 297 1.33 33.2 10.45 6.84N
174 50 1 -37 15 26 7 0 36 37 297 1.34 33.1 10.40 6.79N
175 0 1 -37 18 23 7 0 49 37 297 1.35 33.1 10.35 6.74N
175 10 1 -37 21 19 7 1 3 36 297 1.36 33.0 10.30 6.69N
175 20 1 -37 24 13 7 1 16 36 297 1.37 33.0 10.25 6.64N
175 30 1 -37 27 6 7 1 30 36 297 1.38 32.9 10.21 6.59N
175 40 2 -37 29 58 7 1 43 36 297 1.39 32.9 10.16 6.54N
175 50 2 -37 32 48 7 1 56 36 296 1.39 32.8 10.11 6.49N
176 0 2 -37 35 37 7 2 9 35 296 1.40 32.8 10.06 6.45N
176 10 2 -37 38 25 7 2 22 35 296 1.41 32.7 10.01 6.40N
176 20 2 -37 41 11 7 2 35 35 296 1.42 32.7 9.96 6.35N
176 30 2 -37 43 56 7 2 47 35 296 1.43 32.6 9.91 6.30N
176 40 2 -37 46 40 7 3 0 35 296 1.44 32.6 9.87 6.25N
176 50 2 -37 49 22 7 3 13 35 295 1.45 32.5 9.82 6.21N
177 0 3 -37 52 3 7 3 25 34 295 1.46 32.5 9.77 6.16N
177 10 3 -37 54 43 7 3 38 34 295 1.47 32.5 9.72 6.11N
177 20 3 -37 57 21 7 3 50 34 295 1.48 32.4 9.69 6.07N
177 30 3 -37 59 59 7 4 2 34 295 1.49 32.4 9.64 6.03N
177 40 3 -38 2 34 7 4 14 34 295 1.50 32.3 9.59 5.98N
177 50 3 -38 5 9 7 4 26 34 294 1.51 32.3 9.54 5.93N
178 0 3 -38 7 42 7 4 38 33 294 1.52 32.2 9.50 5.88N
178 10 3 -38 10 14 7 4 50 33 294 1.53 32.2 9.45 5.84N
178 20 3 -38 12 45 7 5 2 33 294 1.54 32.1 9.40 5.79N
Path coordinates are referred to WGS84 (as used by GPS), with the
nominal site altitude being referenced to Mean Sea Level.
Librations Long +6.20 Lat +5.67
P +10.61 D -4.24
Illumination of moon 23%+
Elongation of Moon 57
Vertical Profile Scale 1.93 km/arcsec at mean distance of moon
Horizontal Scale Factor 1.62 deg/min
At longitude 176.00:
Limiting Magnitudes for various telescope apertures (in cm)
CA\Tdia 5 10 15 20 25 30 35
2.4 5.2 6.6 7.4 7.9 8.3 8.5 8.7
4.4 5.2 6.6 7.4 7.9 8.3 8.6 8.8
6.4 5.7 7.2 8.0 8.5 8.9 9.2 9.4
8.4 6.0 7.5 8.3 8.8 9.2 9.5 9.7
10.4 6.0 7.5 8.3 8.9 9.3 9.6 9.8
Lunar Limb Profile
