Predictions for Grazing Occultation of ZC 2349, 2006 Feb 21
Grazing Occultation of 2349 SB1 Magnitude 2.9v
2349 = Al Niyat = sigma Scorpii
Date 2006 February 21 (Tuesday) 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
149 0 0 -21 55 41 15 32 35 25 109 2.15 24.2 15.54 -14.95N
149 10 0 -22 2 45 15 32 46 25 109 2.13 24.2 15.55 -14.96N
149 20 0 -22 9 50 15 32 57 25 109 2.11 24.2 15.56 -14.97N
149 30 0 -22 16 56 15 33 9 26 109 2.09 24.2 15.58 -14.99N
149 40 0 -22 24 3 15 33 20 26 109 2.07 24.2 15.59 -15.00N
149 50 0 -22 31 11 15 33 32 26 109 2.05 24.2 15.60 -15.01N
150 0 0 -22 38 19 15 33 44 26 108 2.03 24.3 15.62 -15.03N
150 10 0 -22 45 29 15 33 56 27 108 2.01 24.3 15.63 -15.04N
150 20 0 -22 52 39 15 34 8 27 108 1.99 24.3 15.65 -15.05N
150 30 0 -22 59 50 15 34 20 27 108 1.97 24.3 15.66 -15.07N
150 40 0 -23 7 2 15 34 32 27 108 1.95 24.3 15.67 -15.08N
150 50 0 -23 14 14 15 34 45 27 108 1.93 24.3 15.68 -15.09N
151 0 0 -23 21 28 15 34 57 28 108 1.91 24.3 15.70 -15.11N
151 10 0 -23 28 42 15 35 10 28 108 1.89 24.4 15.71 -15.12N
151 20 0 -23 35 57 15 35 23 28 108 1.87 24.4 15.72 -15.13N
151 30 0 -23 43 12 15 35 35 28 107 1.86 24.4 15.73 -15.14N
151 40 0 -23 50 29 15 35 48 29 107 1.84 24.4 15.75 -15.15N
151 50 0 -23 57 46 15 36 2 29 107 1.82 24.4 15.76 -15.17N
152 0 0 -24 5 4 15 36 15 29 107 1.80 24.4 15.77 -15.18N
152 10 0 -24 12 23 15 36 28 29 107 1.79 24.4 15.78 -15.19N
152 20 0 -24 19 42 15 36 42 29 107 1.77 24.4 15.79 -15.20N
152 30 0 -24 27 2 15 36 55 30 107 1.75 24.4 15.80 -15.21N
152 40 0 -24 34 22 15 37 9 30 107 1.74 24.5 15.81 -15.22N
152 50 0 -24 41 44 15 37 23 30 106 1.72 24.5 15.82 -15.23N
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 0.57km North, and 0.6 secs. earlier cf. primary.
Graze Path of component #4 14.75km North, and 38.0 secs. earlier cf. primary.
2349 = sig Sco, 2.86 to 2.94 V , Type BCEP, Period 0.2468390 days, Phase 0.64 Risetime = 3.0 hours
Librations Long -7.22 Lat +5.63
P +15.2 D -7.1
Illumination of moon 46%-
Elongation of Moon 85
Vertical Profile Scale 2.02 km/arcsec at mean distance of moon
Horizontal Scale Factor 1.8 deg/min
Limiting Magnitudes for various telescope apertures (in mm)
CA\Tdia 50 100 150 200 250 300 350
-19.2 3.0 4.4 5.1 5.6 5.8 6.0 6.2
-17.2 3.0 4.4 5.1 5.6 5.8 6.0 6.2
-15.2 3.0 4.4 5.1 5.6 5.8 6.0 6.2
-13.2 3.0 4.4 5.1 5.6 5.8 6.0 6.2
-11.2 3.0 4.4 5.1 5.6 5.8 6.0 6.2
Lunar Limb Profile for graze near Rockhampton
