Predictions for Grazing Occultation of ZC 2039, 2007 Aug 19
Grazing Occultation of 2039 A0 Magnitude 5.5
Date 2007 August 19 (Sunday) 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
150 0 0 -27 27 52 9 5 3 52 275 0.77 25.7 7.31 4.79N
150 10 0 -27 29 15 9 5 27 52 275 0.78 25.6 7.22 4.71N
150 20 0 -27 30 35 9 5 52 52 275 0.78 25.5 7.14 4.62N
150 30 0 -27 31 53 9 6 16 52 275 0.79 25.4 7.05 4.53N
150 40 0 -27 33 10 9 6 40 51 275 0.80 25.3 6.96 4.45N
150 50 0 -27 34 24 9 7 5 51 275 0.80 25.2 6.88 4.36N
151 0 0 -27 35 37 9 7 29 51 275 0.81 25.2 6.79 4.28N
151 10 0 -27 36 47 9 7 52 51 275 0.82 25.1 6.71 4.19N
151 20 0 -27 37 56 9 8 16 51 274 0.82 25.0 6.63 4.11N
151 30 0 -27 39 3 9 8 40 50 274 0.83 24.9 6.54 4.03N
151 40 0 -27 40 8 9 9 3 50 274 0.84 24.8 6.46 3.94N
151 50 0 -27 41 11 9 9 26 50 274 0.84 24.7 6.38 3.86N
152 0 0 -27 42 13 9 9 50 50 274 0.85 24.7 6.29 3.78N
152 10 0 -27 43 12 9 10 13 49 274 0.86 24.6 6.21 3.70N
152 20 0 -27 44 10 9 10 35 49 274 0.86 24.5 6.13 3.61N
152 30 0 -27 45 6 9 10 58 49 274 0.87 24.4 6.05 3.53N
152 40 0 -27 46 0 9 11 21 49 273 0.88 24.3 5.97 3.45N
152 50 0 -27 46 52 9 11 43 48 273 0.89 24.2 5.89 3.37N
153 0 0 -27 47 42 9 12 6 48 273 0.89 24.2 5.81 3.29N
153 10 0 -27 48 31 9 12 28 48 273 0.90 24.1 5.73 3.21N
153 20 0 -27 49 18 9 12 50 48 273 0.91 24.0 5.65 3.13N
Path coordinates are referred to WGS84 (as used by GPS).
C A S S I N I R E G I O N G R A Z E
Librations Long -1.70 Lat +5.94
P +5.5 D -5.8
Illumination of moon 34%+
Elongation of Moon 72
Vertical Profile Scale 1.86 km/arcsec at mean distance of moon
Horizontal Scale Factor 1.31 deg/min
Limiting Magnitudes for various telescope apertures (in mm)
CA\Tdia 50 100 150 200 250 300 350
-0.9 3.3 4.7 5.5 5.9 6.3 6.5 6.6
1.1 5.1 6.6 7.4 7.9 8.3 8.5 8.7
3.1 5.1 6.6 7.4 7.9 8.3 8.6 8.8
5.1 6.0 7.4 8.2 8.8 9.2 9.5 9.7
7.1 6.0 7.4 8.3 8.8 9.2 9.5 9.7
Lunar Limb Profile for graze