Predictions for Grazing Occultation of ZC 2349, 2005 Dec 28
Grazing Occultation of 2349 SB1 Magnitude 2.9v
2349 = Al Niyat = sigma Scorpii
Date 2005 December 28 (Wednesday) Nominal site altitude 0m
E. Longit. Latitude U.T. Sun Moon TanZ PA WA CA
o ' " o ' " h m s Alt Alt Az o o o
114 0 0 -28 23 27 21 10 46 -4 23 108 2.34 202.9 194.39 20.10S
114 10 0 -28 30 34 21 10 57 -4 23 108 2.32 202.9 194.40 20.11S
114 20 0 -28 37 42 21 11 9 -4 24 107 2.29 202.9 194.41 20.12S
114 30 0 -28 44 51 21 11 20 -4 24 107 2.27 202.9 194.42 20.13S
114 40 0 -28 52 1 21 11 31 -3 24 107 2.25 203.0 194.43 20.14S
114 50 0 -28 59 12 21 11 43 -3 24 107 2.22 203.0 194.45 20.15S
115 0 0 -29 6 23 21 11 54 -3 24 107 2.20 203.0 194.46 20.16S
115 10 0 -29 13 36 21 12 6 -3 25 107 2.18 203.0 194.47 20.17S
115 20 0 -29 20 49 21 12 18 -2 25 107 2.16 203.0 194.48 20.18S
115 30 0 -29 28 4 21 12 30 -2 25 107 2.14 203.0 194.49 20.19S
115 40 0 -29 35 19 21 12 42 -2 25 106 2.12 203.0 194.50 20.20S
115 50 0 -29 42 34 21 12 54 -2 25 106 2.10 203.0 194.51 20.21S
116 0 0 -29 49 51 21 13 6 -2 26 106 2.08 203.0 194.52 20.22S
116 10 0 -29 57 9 21 13 18 -1 26 106 2.06 203.1 194.53 20.23S
116 20 0 -30 4 27 21 13 31 -1 26 106 2.04 203.1 194.54 20.24S
116 30 0 -30 11 46 21 13 43 -1 26 106 2.02 203.1 194.54 20.25S
116 40 0 -30 19 6 21 13 56 -1 27 106 2.00 203.1 194.55 20.26S
116 50 0 -30 26 26 21 14 9 0 27 105 1.98 203.1 194.56 20.27S
117 0 0 -30 33 47 21 14 21 0 27 105 1.96 203.1 194.57 20.28S
117 10 0 -30 41 9 21 14 34 0 27 105 1.94 203.1 194.58 20.28S
117 20 0 -30 48 32 21 14 47 0 27 105 1.93 203.1 194.59 20.29S
117 30 0 -30 55 55 21 15 1 0 28 105 1.91 203.1 194.59 20.30S
117 40 0 -31 3 19 21 15 14 1 28 105 1.89 203.1 194.60 20.31S
117 50 0 -31 10 43 21 15 27 1 28 105 1.87 203.1 194.61 20.31S
Path coordinates are referred to WGS84 (as used by GPS).
2349 is multiple : 3.3 5.3 0.000" 0.0 : 3.0 5.1 0.40" 249.0 : 2.8 8.4 20.0" 273.0
Graze Path of component #2 0.00km South, and 0.0 secs. earlier cf. primary.
Graze Path of component #3 0.62km North, and 0.5 secs. earlier cf. primary.
Graze Path of component #4 15.28km North, and 35.0 secs. earlier cf. primary.
2349 = sig Sco, 2.86 to 2.94 V , Type BCEP, Period 0.2468390 days, Phase 0.78 Risetime = 3.0 hours
Librations Long -5.49 Lat +5.09
P +194.2 D +6.6
Illumination of moon 6%-
Elongation of Moon 30
Vertical Profile Scale 2.17 km/arcsec at mean distance of moon
Horizontal Scale Factor 1.94 deg/min
Limiting Magnitudes for various telescope apertures (in mm)
CA\Tdia 50 100 150 200 250 300 350
16.3 3.6 5.0 5.7 6.1 6.3 6.5 6.6
18.3 3.6 5.0 5.7 6.1 6.3 6.5 6.6
20.3 3.6 5.0 5.7 6.1 6.3 6.5 6.6
22.3 3.6 5.0 5.7 6.1 6.3 6.5 6.6
24.3 3.6 5.0 5.7 6.1 6.3 6.5 6.6
Lunar Limb Profile for graze near Perth
