Predictions for Grazing Occultation of Saturn, 2014 Aug 4
Graze profile
Grazing Occultation of Saturn Magnitude 0.5 [Red = 0.5]
Date: 2014 Aug 04 11h 58m, to 2014 Aug 04 12h 3m
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
167 0 0 -36 7 53 11 58 0 21 267 2.60 187.3 169.50 9.28S
167 30 0 -36 2 6 11 58 18 21 266 2.67 187.2 169.45 9.33S
168 0 0 -35 56 14 11 58 36 20 266 2.74 187.2 169.40 9.38S
168 30 0 -35 50 18 11 58 54 20 266 2.81 187.1 169.35 9.43S
169 0 0 -35 44 19 11 59 11 19 265 2.88 187.1 169.30 9.48S
169 30 0 -35 38 15 11 59 27 19 265 2.96 187.0 169.25 9.53S
170 0 0 -35 32 7 11 59 43 18 265 3.04 187.0 169.20 9.58S
170 30 0 -35 25 55 11 59 59 18 264 3.13 186.9 169.16 9.62S
171 0 0 -35 19 39 12 0 14 17 264 3.22 186.9 169.11 9.67S
171 30 0 -35 13 19 12 0 29 17 264 3.32 186.8 169.07 9.71S
172 0 0 -35 6 55 12 0 44 16 263 3.42 186.8 169.02 9.76S
172 30 0 -35 0 27 12 0 58 16 263 3.52 186.7 168.98 9.80S
173 0 0 -34 53 56 12 1 11 15 263 3.63 186.7 168.93 9.85S
173 30 0 -34 47 21 12 1 25 15 262 3.75 186.6 168.88 9.89S
174 0 0 -34 40 43 12 1 37 14 262 3.88 186.6 168.84 9.93S
174 30 0 -34 34 1 12 1 50 14 262 4.02 186.6 168.81 9.97S
175 0 0 -34 27 15 12 2 2 14 261 4.16 186.5 168.77 10.01S
175 30 0 -34 20 27 12 2 13 13 261 4.31 186.5 168.73 10.05S
176 0 0 -34 13 35 12 2 24 13 261 4.48 186.5 168.69 10.09S
176 30 0 -34 6 39 12 2 35 12 260 4.65 186.4 168.65 10.12S
177 0 0 -33 59 40 12 2 45 12 260 4.84 186.4 168.62 10.16S
177 30 0 -33 52 39 12 2 55 11 260 5.05 186.3 168.58 10.19S
178 0 0 -33 45 34 12 3 4 11 259 5.27 186.3 168.55 10.23S
178 30 0 -33 38 26 12 3 13 10 259 5.52 186.3 168.52 10.26S
179 0 0 -33 31 15 12 3 22 10 259 5.78 186.2 168.48 10.29S
Outer limit - Saturn just touches the moon
167 0 0 -36 27 14 11 57 42 21 267 2.59 187.3 169.52 9.25S
167 30 0 -36 21 29 11 58 1 21 266 2.66 187.2 169.47 9.30S
168 0 0 -36 15 39 11 58 19 20 266 2.73 187.2 169.42 9.36S
168 30 0 -36 9 44 11 58 36 20 266 2.80 187.1 169.37 9.41S
169 0 0 -36 3 46 11 58 53 19 265 2.87 187.1 169.32 9.45S
169 30 0 -35 57 43 11 59 10 19 265 2.95 187.0 169.28 9.50S
170 0 0 -35 51 36 11 59 26 18 265 3.03 187.0 169.23 9.55S
170 30 0 -35 45 25 11 59 42 18 264 3.11 186.9 169.18 9.60S
171 0 0 -35 39 10 11 59 57 17 264 3.20 186.9 169.14 9.64S
171 30 0 -35 32 52 12 0 12 17 264 3.30 186.9 169.09 9.69S
172 0 0 -35 26 29 12 0 27 16 263 3.39 186.8 169.05 9.73S
172 30 0 -35 20 3 12 0 41 16 263 3.50 186.8 169.01 9.77S
173 0 0 -35 13 33 12 0 54 15 263 3.61 186.7 168.96 9.81S
173 30 0 -35 6 59 12 1 7 15 262 3.73 186.7 168.91 9.87S
174 0 0 -35 0 22 12 1 20 15 262 3.85 186.6 168.87 9.91S
174 30 0 -34 53 41 12 1 33 14 262 3.98 186.6 168.83 9.95S
175 0 0 -34 46 56 12 1 45 14 261 4.13 186.6 168.79 9.99S
175 30 0 -34 40 9 12 1 56 13 261 4.28 186.5 168.75 10.02S
176 0 0 -34 33 17 12 2 7 13 261 4.44 186.5 168.72 10.06S
176 30 0 -34 26 23 12 2 18 12 260 4.61 186.4 168.68 10.10S
177 0 0 -34 19 25 12 2 28 12 260 4.80 186.4 168.64 10.13S
177 30 0 -34 12 25 12 2 38 11 260 5.00 186.4 168.61 10.17S
178 0 0 -34 5 21 12 2 48 11 259 5.21 186.3 168.57 10.20S
178 30 0 -33 58 14 12 2 57 10 259 5.45 186.3 168.54 10.24S
179 0 0 -33 51 4 12 3 5 10 259 5.71 186.3 168.51 10.27S
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 5 meters [Estimated]
Librations Long -8.64 Lat -3.08
P +169.45 D -4.43
Illumination of moon 54%+
Elongation of Moon 95
Vertical Profile Scale 1.99 km/arcsec at mean distance of moon
Horizontal Scale Factor 1.86 deg/min
At longitude 173.00:
Limiting Magnitudes for various telescope apertures (in cm)
CA\Tdia 5 10 15 20 25 30 35
5.9 5.0 6.4 7.1 7.5 7.8 8.0 8.1
7.9 5.1 6.4 7.1 7.6 7.8 8.0 8.1
9.9 5.1 6.5 7.2 7.6 7.8 8.0 8.1
11.9 5.1 6.5 7.2 7.6 7.9 8.0 8.2
13.9 5.1 6.5 7.2 7.6 7.9 8.1 8.2
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Results of Observer Scan UT
Site Long. Lat. Dist. h m s
Auckland 174.8 -36.9 239km 12 1 48
MidNZ 173.0 -41.0 633km 12 1 3
Lunar Limb Profile
