Predictions for Grazing Occultation of R 1886, 2013 Sep 8
Graze profile
Grazing Occultation of 1886cK3 Magnitude 5.6 [Red = 5.0]
Date: 2013 Sep 08 8h 14m, to 2013 Sep 08 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
170 0 0 -42 59 57 8 13 40 11 268 5.26 195.2 171.41 9.12S
170 10 0 -42 58 56 8 13 42 11 267 5.33 195.2 171.40 9.14S
170 20 0 -42 57 55 8 13 45 10 267 5.40 195.1 171.38 9.16S
170 30 0 -42 56 53 8 13 47 10 267 5.47 195.1 171.36 9.18S
170 40 0 -42 55 50 8 13 49 10 267 5.54 195.1 171.34 9.19S
170 50 1 -42 54 47 8 13 52 10 267 5.61 195.1 171.33 9.21S
171 0 1 -42 53 44 8 13 54 10 267 5.68 195.1 171.31 9.23S
171 10 1 -42 52 40 8 13 56 10 267 5.76 195.1 171.29 9.25S
171 20 1 -42 51 36 8 13 58 10 267 5.84 195.0 171.27 9.26S
171 30 1 -42 50 31 8 14 0 10 266 5.92 195.0 171.26 9.28S
171 40 1 -42 49 26 8 14 2 9 266 6.00 195.0 171.24 9.30S
171 50 1 -42 48 20 8 14 4 9 266 6.09 195.0 171.22 9.31S
172 0 1 -42 47 14 8 14 6 9 266 6.17 195.0 171.21 9.33S
172 10 2 -42 46 7 8 14 8 9 266 6.26 195.0 171.19 9.35S
172 20 2 -42 45 0 8 14 10 9 266 6.36 194.9 171.17 9.37S
172 30 2 -42 43 53 8 14 12 9 266 6.45 194.9 171.15 9.38S
172 40 2 -42 42 45 8 14 14 9 266 6.55 194.9 171.14 9.40S
172 50 2 -42 41 36 8 14 16 9 266 6.65 194.9 171.12 9.42S
173 0 2 -42 40 27 8 14 18 8 265 6.75 194.9 171.10 9.43S
173 10 2 -42 39 18 8 14 19 8 265 6.86 194.9 171.09 9.45S
173 20 2 -42 38 8 8 14 21 8 265 6.97 194.8 171.07 9.47S
173 30 3 -42 36 58 8 14 23 8 265 7.08 194.8 171.05 9.48S
173 40 3 -42 35 47 8 14 24 8 265 7.20 194.8 171.04 9.50S
173 50 3 -42 34 36 8 14 26 8 265 7.32 194.8 171.02 9.52S
174 0 3 -42 33 24 8 14 28 8 265 7.45 194.8 171.01 9.53S
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 3 meters [CHARM/CADARS, 3 measures]
1886 is double:
This next pair is not confirmed
** 6.5 6.5 0.10" 90.0** (OCc1447) Graze path of ? 0.05 km south, and 0.2 secs later compared to the primary
Librations Long -5.64 Lat +1.87
P +171.04 D +1.24
Illumination of moon 8%+
Elongation of Moon 34
Vertical Profile Scale 2.04 km/arcsec at mean distance of moon
Horizontal Scale Factor 1.96 deg/min
At longitude 172.00:
Limiting Magnitudes for various telescope apertures (in cm)
CA\Tdia 5 10 15 20 25 30 35
5.3 6.6 8.1 8.9 9.4 9.8 10.1 10.3
7.3 6.7 8.1 8.9 9.5 9.9 10.1 10.4
9.3 6.7 8.2 9.0 9.5 9.9 10.2 10.4
11.3 6.7 8.2 9.0 9.6 9.9 10.2 10.5
13.3 6.8 8.2 9.0 9.6 10.0 10.3 10.5
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Double star catalogue details
No entries found within 1.2 arcmins of 13 8 32.5, - 8 59 4
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Results of Observer Scan UT
Site Long. Lat. Dist. h m s
Chch graze 172.6 -43.5 90km 8 14 14
MidNZ 173.0 -41.0 184km 8 14 17
Wellington 174.8 -41.3 127km 8 14 35
Lunar Limb Profile
