Predictions for Grazing Occultation of ZC 391, 2014 May 26
Graze profile
Grazing Occultation of 391DF7 Magnitude 7.3 [Red = 6.6]
Date: 2014 May 26 18h 6m, to 2014 May 26 18h 9m
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
167 0 0 -36 41 29 18 5 45 1 71 55.77 340.8 0.04 -0.55N
167 30 0 -36 33 3 18 5 49 1 70 39.17 340.7 359.98 -0.49N
168 0 0 -36 24 31 18 5 52 2 70 30.14 340.7 359.91 -0.42N
168 30 0 -36 15 54 18 5 56 2 70 24.46 340.6 359.84 -0.35N
169 0 0 -36 7 12 18 6 1 3 69 20.57 340.6 359.79 -0.30N
169 30 0 -35 58 24 18 6 5 3 69 17.73 340.5 359.72 -0.23N
170 0 0 -35 49 31 18 6 11 4 69 15.56 340.4 359.65 -0.16N
170 30 0 -35 40 32 18 6 16 4 68 13.86 340.4 359.59 -0.10N
171 0 0 -35 31 27 18 6 23 5 68 12.48 340.3 359.52 -0.03N
171 30 0 -35 22 17 18 6 29 5 68 11.34 340.2 359.45 0.04N
172 0 0 -35 13 1 18 6 37 5 67 10.39 340.2 359.38 0.11N
172 30 0 -35 3 40 18 6 44 6 67 9.58 340.1 359.31 0.18N
173 0 0 -34 54 13 18 6 52 6 67 8.88 340.0 359.24 0.25N
173 30 0 -34 44 39 18 7 1 7 67 8.27 339.9 359.17 0.32N
174 0 0 -34 35 1 18 7 10 7 66 7.74 339.9 359.10 0.39N
174 30 0 -34 25 16 18 7 20 8 66 7.27 339.8 359.03 0.46N
175 0 0 -34 15 25 18 7 30 8 66 6.84 339.7 358.96 0.53N
175 30 0 -34 5 28 18 7 41 9 65 6.47 339.7 358.89 0.60N
176 0 0 -33 55 26 18 7 52 9 65 6.12 339.6 358.82 0.67N
176 30 0 -33 45 17 18 8 4 10 65 5.81 339.5 358.75 0.74N
177 0 0 -33 35 2 18 8 17 -12 10 64 5.53 339.4 358.68 0.81N
177 30 0 -33 24 41 18 8 30 -11 11 64 5.27 339.4 358.60 0.89N
178 0 0 -33 14 14 18 8 44 -11 11 64 5.03 339.3 358.53 0.96N
178 30 0 -33 3 41 18 8 58 -10 12 63 4.81 339.2 358.46 1.03N
179 0 0 -32 53 2 18 9 13 -10 12 63 4.61 339.2 358.39 1.10N
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 2 meters [Estimated]
391 is double:
AB 7.4 9.6 6.6" 73.0 (STF 287) Graze path of B 0.70 km north, and 13.2 secs later compared to A
C A S S I N I R E G I O N G R A Z E
Librations Long +5.84 Lat +1.28
P +359.35 D -1.09
Illumination of moon 4%-
Elongation of Moon 23
Vertical Profile Scale 2.07 km/arcsec at mean distance of moon
Horizontal Scale Factor 1.84 deg/min
At longitude 173.00:
Limiting Magnitudes for various telescope apertures (in cm)
CA\Tdia 5 10 15 20 25 30 35
-3.8 5.8 7.2 7.9 8.4 8.8 9.1 9.3
-1.8 6.3 7.8 8.6 9.1 9.5 9.8 10.1
0.2 6.5 7.9 8.8 9.3 9.7 10.0 10.3
2.2 6.5 8.0 8.8 9.3 9.8 10.1 10.3
4.2 6.5 8.0 8.8 9.4 9.8 10.1 10.3
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Double star catalogue details
WDS entries
RA Dec Name Y1 Y2 N PA PA Sep Sep M1 M2
02390+1452STF 287 1830 2007 33 74 73 6.6 6.6 7.36 9.61 G5 +023-012 +021-012 +14 439 NVD 023859.78+145137.6
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Results of Observer Scan UT
Site Long. Lat. Dist. h m s
Auckland 174.8 -36.9 264km 18 7 26
Lunar Limb Profile