Predictions for Grazing Occultation of ZC 2349, 2009 May 10
This occultation occurs at the lit limb of the Moon in morning twilight.
Grazing Occultation of 2349SB1 Magnitude 2.9 [Red = 0.0] v
R2349 = Al Niyat = sigma Scorpii
Date: 2009 May 10 18h 44m, to 2009 May 10 18h 45m
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
173 30 0 -36 12 44 18 43 59 -6 24 255 2.23 177.2 166.76 -24.10S
173 40 0 -36 8 4 18 44 8 -6 24 255 2.25 177.2 166.74 -24.12S
173 50 0 -36 3 24 18 44 16 -6 24 255 2.27 177.1 166.73 -24.14S
174 0 0 -35 58 43 18 44 25 -6 24 255 2.29 177.1 166.72 -24.15S
174 10 0 -35 54 1 18 44 33 -5 23 254 2.31 177.1 166.70 -24.16S
174 20 1 -35 49 19 18 44 41 -5 23 254 2.33 177.1 166.69 -24.18S
174 30 1 -35 44 37 18 44 50 -5 23 254 2.35 177.1 166.68 -24.19S
174 40 1 -35 39 54 18 44 58 -5 23 254 2.37 177.1 166.66 -24.20S
174 50 1 -35 35 11 18 45 6 -5 23 254 2.39 177.1 166.65 -24.22S
175 0 1 -35 30 27 18 45 14 -5 23 254 2.41 177.1 166.64 -24.23S
Path coordinates are referred to WGS84 (as used by GPS), with the
nominal site altitude being referenced to Mean Sea Level.
2349 = sig Sco, 2.86 to 2.94V, Type BCEP, Period 0.2468390 days, Phase 9 %, Risetime = 3.0 hours
2349 is quadruple: AB 3.3 5.3 350.0 : Aa 3.1 5.2 0.46" 223.7 : Aa-B 2.9 8.4 19.8" 273.3
Librations Long +2.19 Lat +5.07
P +166.84 D +5.70
Illumination of moon 98%-
Elongation of Moon 162
Vertical Profile Scale 2.00 km/arcsec at mean distance of moon
Horizontal Scale Factor 1.80 deg/min
At longitude 174.33:
Limiting Magnitudes for various telescope apertures (in cm)
CA\Tdia 5 10 15 20 25 30 35
-28.2 2.1 3.4 4.1 4.5 4.7 4.9 5.0
-26.2 2.1 3.4 4.1 4.5 4.7 4.9 5.0
-24.2 2.1 3.4 4.1 4.5 4.7 4.9 5.0
-22.2 2.1 3.4 4.1 4.5 4.7 4.9 5.0
-20.2 2.1 3.4 4.1 4.5 4.7 4.9 5.0
Lunar Limb Profile
