International Meteor Organization
VISUAL OBSERVING FORM- Leonid Report
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Date:18,11,2002.
Begin:1818(UT).
End:2332(UT).
Locationong:λ=87°E ; Lat:φ=43°N ; Elevation:2080m. IMO code:
Place:Xin Jiang,Urumqi Nanshan Base,National astronomical observatories,Chinese academy Of sciences
Country: P.R.China
Observer:Shibo Zhang
Observed showerEO
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Observed numbers of meteors per period and per shower
Period(hm-hm) Fieldα(°),δ(°) Teff(h) F Lm -N Spo N
1818-1929 110,30 1 1 5.04 C 8
1930-2000 110,30 0.5 1 5.01 C 8
2000-2030 110,30 0.5 1 5.00 C 4
2030-2100 110,30 0.5 1 5.23 C 5
2100-2130 110,30 0.5 1 5.43 C 1
2130-2200 150,20 0.5 1 5.21 C 2
2200-2230 150,20 0.5 1.1 5.14 C 4
2230-2300 150,20 0.5 1.4 5.07 C 5
2300-2332 150,20 0.5 1.2 5.07 C 3
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Magnitude distributions
from/to -3 -2 -1 0 +1 +2 +3 +4 +5 +6 Tot
1818-1929 0 0 1 0 3 4 0 0 0 0 8
1930-2000 0 0 0 0 1 2 1 0 0 0 4
2000-2030 0 0 1 2 1 0 2 0 0 0 6
2030-2100 0 0 4 2 3 4 0 0 0 0 13
2100-2130 0 0 0 1 10 3 3 0 0 0 17
2130-2200 3 0 0 1 4 2 1 0 0 0 11
2200-2230 0 0 1 3 7 0 1 0 0 0 12
2230-2300 1 4 1 4 4 0 0 1 0 0 15
2300-2332 0 2 6 8 5 2 3 0 0 0 26
Spo(all night) 0 2 1 6 15 8 5 3 0 0 40
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Sky obscured:
Duration(UT)  ercentage(%)
1818-1930 0
1930-2000 0
2000-2030 0
2030-2100 0
2100-2130 0
2130-2200 0
2200-2230 0
2230-2300 0
2300-2330 0
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Limiting magnitude:
Time Star area Star count Lm
1818 4 6 5.07
1930 4 5 5.01
2000 4 5 5.01
2030 4 5 5.01
2100 4 6 5.07
2130 9 9 5.44
2200 9 8 5.42
2230 9 7 4.78
2300 9 7 4.78
Mean limiting magnitude:5.06
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<End of report> |