Predictions for Grazing Occultation of ZC2647, 2016 May 24
Graze profile
Grazing Occultation of 2647SO8 Magnitude 6.5 [Red = 6.5]
Date: 2016 May 24 13h 30m, to 2016 May 24 13h 54m
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 -38 40 19.5 13 30 11 62 51 0.53 183.1 185.41 13.61S
167 30 0 -38 44 40.7 13 31 10 62 49 0.52 183.0 185.29 13.49S
168 0 0 -38 48 52.8 13 32 8 63 48 0.51 182.9 185.17 13.38S
168 30 0 -38 52 55.7 13 33 7 63 47 0.51 182.8 185.05 13.26S
169 0 0 -38 56 49.4 13 34 6 64 45 0.50 182.6 184.93 13.14S
169 30 0 -39 0 33.9 13 35 6 64 44 0.49 182.5 184.81 13.02S
170 0 0 -39 4 9.1 13 36 5 64 43 0.48 182.4 184.69 12.89S
170 30 0 -39 7 35.0 13 37 4 65 41 0.47 182.3 184.56 12.77S
171 0 0 -39 10 51.5 13 38 4 65 40 0.47 182.2 184.44 12.65S
171 30 0 -39 13 58.7 13 39 3 65 38 0.46 182.0 184.31 12.52S
172 0 0 -39 16 56.4 13 40 3 66 37 0.45 181.9 184.19 12.40S
172 30 0 -39 19 44.7 13 41 3 66 35 0.45 181.8 184.06 12.27S
173 0 0 -39 22 23.6 13 42 3 66 33 0.44 181.6 183.93 12.14S
173 30 0 -39 24 52.9 13 43 3 66 32 0.44 181.5 183.80 12.01S
174 0 0 -39 27 12.8 13 44 3 67 30 0.43 181.4 183.67 11.88S
174 30 0 -39 29 23.1 13 45 3 67 28 0.42 181.3 183.54 11.76S
175 0 0 -39 31 23.9 13 46 4 67 27 0.42 181.1 183.41 11.63S
175 30 0 -39 33 15.0 13 47 4 67 25 0.42 181.0 183.28 11.50S
176 0 0 -39 34 56.6 13 48 4 68 23 0.41 180.9 183.15 11.36S
176 30 0 -39 36 28.6 13 49 5 68 21 0.41 180.7 183.02 11.23S
177 0 0 -39 37 50.9 13 50 5 68 19 0.40 180.6 182.89 11.10S
177 30 0 -39 39 3.6 13 51 6 68 17 0.40 180.5 182.75 10.97S
178 0 0 -39 40 6.6 13 52 6 68 16 0.40 180.3 182.62 10.84S
178 30 0 -39 41 0.0 13 53 7 68 14 0.39 180.2 182.49 10.71S
179 0 0 -39 41 43.8 13 54 8 69 12 0.39 180.1 182.36 10.58S
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.
2647 is triple:
This next pair is not confirmed
**Aa,Ab 7.2 7.2 0.10" 270.0 (OCc 12) Graze path of ? approximately 0.0 km north, and 0.3 secs earlier compared to the primary
- refer to graze profile for exact distances
AB 6.5 13.0 8.5" 168.9 (RST3170) Graze path of B approximately 16.1 km north, and 5.6 secs later compared to A
- refer to graze profile for exact distances
C A S S I N I R E G I O N G R A Z E
Librations Long -5.06 Lat -6.63
P +184.50 D -6.01
Illumination of moon 93%-
Elongation of Moon 149
Vertical Profile Scale approx. 2.00 km/arcsec at mean distance of moon
Horizontal Scale Factor 1.28 deg/min
At longitude 173.00:
Limiting Magnitudes for various telescope apertures (in cm)
CA\Tdia 5 10 15 20 25 30 35
8.1 4.6 6.0 6.8 7.3 7.7 7.9 8.1
10.1 4.6 6.0 6.8 7.3 7.7 8.0 8.1
12.1 4.6 6.0 6.8 7.3 7.7 8.0 8.1
14.1 5.0 6.4 7.2 7.7 8.1 8.4 8.6
16.1 5.5 6.9 7.7 8.3 8.6 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
18175-1828OCC 12Aa,Ab 1923 1923 0 -1 -1 0.1 0.1 7.2 7.2 O8/9 +003-007 N 181728.56-182748.4
18175-1828RST3170AB 1933 2008 4 170 169 8.4 8.5 6.54 13.0 O8/9 +003-007 -18 4886 NU 181728.56-182748.4
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Results of Observer Scan UT
Site Long. Lat. Dist. h m s
Lunar Limb Profile
