Predictions for Grazing Occultation of ZC 1381, 2014 May 7
Graze profile
Grazing Occultation of 1381wA2 Magnitude 6.4 [Red = 6.4]
Date: 2014 May 07 7h 54m, to 2014 May 07 8h 14m
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 -41 37 28 7 53 46 36 347 1.37 25.2 6.99 7.69N
167 30 0 -41 54 26 7 54 49 36 346 1.39 25.2 6.97 7.67N
168 0 0 -42 11 20 7 55 51 35 345 1.41 25.2 6.94 7.64N
168 30 0 -42 28 9 7 56 53 35 344 1.43 25.1 6.92 7.61N
169 0 0 -42 44 53 7 57 53 35 343 1.45 25.1 6.88 7.58N
169 30 0 -43 1 33 7 58 52 34 343 1.48 25.1 6.85 7.55N
170 0 0 -43 18 7 7 59 49 34 342 1.50 25.0 6.81 7.51N
170 30 0 -43 34 36 8 0 46 33 341 1.53 25.0 6.78 7.47N
171 0 0 -43 50 58 8 1 42 33 340 1.55 25.0 6.73 7.43N
171 30 0 -44 7 15 8 2 36 32 339 1.58 24.9 6.69 7.39N
172 0 0 -44 23 26 8 3 30 32 339 1.61 24.9 6.65 7.35N
172 30 0 -44 39 30 8 4 22 31 338 1.63 24.8 6.60 7.30N
173 0 0 -44 55 27 8 5 13 31 337 1.66 24.8 6.55 7.25N
173 30 0 -45 11 18 8 6 3 31 337 1.69 24.7 6.50 7.20N
174 0 0 -45 27 2 8 6 53 30 336 1.72 24.7 6.45 7.15N
174 30 0 -45 42 39 8 7 41 30 335 1.75 24.6 6.40 7.10N
175 0 0 -45 58 8 8 8 28 29 334 1.78 24.6 6.35 7.05N
175 30 0 -46 13 31 8 9 14 29 334 1.82 24.5 6.29 6.99N
176 0 0 -46 28 46 8 9 59 28 333 1.85 24.5 6.24 6.93N
176 30 0 -46 43 53 8 10 43 28 332 1.88 24.4 6.18 6.88N
177 0 0 -46 58 54 8 11 26 28 332 1.92 24.4 6.12 6.82N
177 30 0 -47 13 46 8 12 8 27 331 1.96 24.3 6.06 6.76N
178 0 0 -47 28 31 8 12 49 27 330 1.99 24.2 6.00 6.70N
178 30 0 -47 43 8 8 13 29 26 330 2.03 24.2 5.94 6.64N
179 0 0 -47 57 37 8 14 8 26 329 2.07 24.1 5.88 6.58N
Path coordinates are referred to WGS84 (as used by GPS), with the
nominal site altitude being referenced to Mean Sea Level.
1381 is double:
AB 6.4 12.8 19.6" 274.2 (HJ 128) Graze path of B 17.69 km north, and 52.6 secs earlier compared to A
C A S S I N I R E G I O N G R A Z E
Librations Long -1.97 Lat +5.72
P +6.39 D -5.64
Illumination of moon 52%+
Elongation of Moon 92
Vertical Profile Scale 2.69 km/arcsec at mean distance of moon
Horizontal Scale Factor 1.35 deg/min
At longitude 173.00:
Limiting Magnitudes for various telescope apertures (in cm)
CA\Tdia 5 10 15 20 25 30 35
3.3 4.8 6.2 7.0 7.5 7.8 8.0 8.1
5.3 5.6 7.0 7.8 8.3 8.6 8.9 9.0
7.3 5.6 7.1 7.8 8.3 8.7 8.9 9.1
9.3 5.6 7.1 7.8 8.3 8.7 8.9 9.1
11.3 5.6 7.1 7.9 8.4 8.7 8.9 9.1
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Double star catalogue details
WDS entries
RA Dec Name Y1 Y2 N PA PA Sep Sep M1 M2
09179+1130HJ 128 1825 2000 11 285 275 30.0 20.4 6.41 12.8 A2IV -015-005 +12 2009 N 091751.36+113004.1
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Results of Observer Scan UT
Site Long. Lat. Dist. h m s
Chch graze 172.6 -43.5 107km 8 4 36
Dunedin 170.5 -45.9 201km 8 0 46
MidNZ 173.0 -41.0 357km 8 5 13
Lunar Limb Profile
