Predictions for Grazing Occultation of Saturn, 2014 Aug 4, Wilson's Prom, Vic
Graze profile Wilsons Prom
Grazing Occultation of Saturn Magnitude 0.5 [Red = 0.5]
Date: 2014 Aug 04 11h 21m, to 2014 Aug 04 11h 48m
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
Inner limit - Saturn fully obscured
140 0 0 -39 4 39 11 30 58 47 293 0.94 191.5 173.71 5.07S
140 30 0 -39 4 17 11 31 40 46 292 0.95 191.4 173.61 5.17S
141 0 0 -39 3 48 11 32 21 46 291 0.97 191.3 173.50 5.28S
141 30 0 -39 3 11 11 33 1 45 291 0.98 191.2 173.40 5.38S
142 0 0 -39 2 27 11 33 41 45 290 1.00 191.1 173.30 5.48S
142 30 0 -39 1 35 11 34 21 44 289 1.02 191.0 173.20 5.58S
143 0 0 -39 0 35 11 35 0 44 289 1.04 190.9 173.10 5.68S
143 30 0 -38 59 28 11 35 39 44 288 1.05 190.8 173.00 5.78S
144 0 0 -38 58 14 11 36 17 43 288 1.07 190.7 172.90 5.88S
144 30 0 -38 56 53 11 36 55 43 287 1.09 190.6 172.80 5.98S
145 0 0 -38 55 24 11 37 32 42 287 1.11 190.5 172.71 6.07S
145 30 0 -38 53 49 11 38 9 42 286 1.13 190.4 172.61 6.17S
146 0 0 -38 52 6 11 38 46 41 285 1.15 190.3 172.52 6.26S
146 30 0 -38 50 16 11 39 22 41 285 1.17 190.2 172.42 6.35S
147 0 0 -38 48 20 11 39 58 40 284 1.19 190.1 172.33 6.45S
147 30 0 -38 46 16 11 40 33 40 284 1.21 190.0 172.24 6.54S
148 0 0 -38 44 6 11 41 8 39 283 1.23 189.9 172.15 6.63S
148 30 0 -38 41 49 11 41 43 39 283 1.25 189.8 172.06 6.71S
149 0 0 -38 39 25 11 42 17 38 282 1.27 189.7 171.98 6.80S
149 30 0 -38 36 55 11 42 50 38 282 1.29 189.7 171.89 6.89S
150 0 0 -38 34 18 11 43 24 37 281 1.32 189.6 171.81 6.97S
Outer limit - Saturn just touches the moon
140 0 0 -39 22 58 11 30 48 47 293 0.94 191.5 173.72 5.06S
140 30 0 -39 22 37 11 31 29 46 292 0.95 191.4 173.62 5.16S
141 0 0 -39 22 8 11 32 10 46 292 0.97 191.3 173.51 5.27S
141 30 0 -39 21 32 11 32 50 45 291 0.99 191.2 173.41 5.37S
142 0 0 -39 20 48 11 33 30 45 290 1.00 191.1 173.31 5.47S
142 30 0 -39 19 57 11 34 9 44 290 1.02 191.0 173.21 5.57S
143 0 0 -39 18 58 11 34 48 44 289 1.04 190.9 173.11 5.67S
143 30 0 -39 17 52 11 35 27 43 289 1.06 190.8 173.01 5.77S
144 0 0 -39 16 39 11 36 5 43 288 1.07 190.7 172.91 5.87S
144 30 0 -39 15 18 11 36 42 42 287 1.09 190.6 172.82 5.96S
145 0 0 -39 13 51 11 37 20 42 287 1.11 190.5 172.72 6.06S
145 30 0 -39 12 16 11 37 56 42 286 1.13 190.4 172.63 6.15S
146 0 0 -39 10 34 11 38 33 41 286 1.15 190.3 172.53 6.25S
146 30 0 -39 8 46 11 39 9 41 285 1.17 190.2 172.44 6.34S
147 0 0 -39 6 50 11 39 44 40 285 1.19 190.1 172.35 6.43S
147 30 0 -39 4 47 11 40 19 40 284 1.21 190.0 172.26 6.52S
148 0 0 -39 2 38 11 40 54 39 284 1.23 189.9 172.17 6.61S
148 30 0 -39 0 22 11 41 29 39 283 1.25 189.8 172.08 6.70S
149 0 0 -38 58 0 11 42 2 38 283 1.27 189.8 172.00 6.78S
149 30 0 -38 55 31 11 42 36 38 282 1.29 189.7 171.91 6.87S
150 0 0 -38 52 55 11 43 9 37 282 1.32 189.6 171.82 6.95S
Path coordinates are referred to WGS84 (as used by GPS), with the
nominal site altitude being referenced to Mean Sea Level. The path
is adjusted for the effects of refraction at low moon altitudes.
Projected diameter of star 5 meters [Estimated]
C A S S I N I R E G I O N G R A Z E
Librations Long -8.39 Lat -3.09
P +173.38 D -3.84
Illumination of moon 54%+
Elongation of Moon 95
Vertical Profile Scale 1.99 km/arcsec at mean distance of moon
Horizontal Scale Factor 1.49 deg/min
At longitude 144.00:
Limiting Magnitudes for various telescope apertures (in cm)
CA\Tdia 5 10 15 20 25 30 35
1.9 4.9 6.3 7.1 7.6 8.0 8.2 8.4
3.9 5.5 7.0 7.8 8.3 8.6 8.9 9.1
5.9 5.7 7.2 8.0 8.5 8.9 9.1 9.3
7.9 5.7 7.2 8.0 8.5 8.9 9.1 9.3
9.9 5.8 7.2 8.0 8.5 8.9 9.2 9.4
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Results of Observer Scan UT
Site Long. Lat. Dist. h m s
Albany 117.8 -35.0 219km 10 52 52
Bendigo 144.3 -36.8 256km 11 36 36
Melbourne 145.0 -37.8 140km 11 37 23
Lunar Limb Profile - Wilson's Prom.
