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我的双子流星观测记录
昨晚(14日),随同好王传波、王宁及另两位女士前往南山天文站观测双子座流星雨,由于天气不佳,只观测了近1个小时,共记录到26颗,以下是我的报表,已报IMO。
International Meteor Organization
VISUAL OBSERVING FORM- Geminids Report
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Date:14,12,2002.
Begin:1540(UT).
End:1705(UT).
Location:Long: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:Xing Gao
Observed shower:GEM
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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
1540-1610 90,40 0.50 1.59 4.73 C 10 3
1640-1705 100,30 0.41 1.31 4.68 C 12 1
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Magnitude distributions
from/to -3 -2 -1 0 +1 +2 +3 +4 +5 +6 Tot
1540-1610 0 0 0 2 3 3 2 0 0 0 10
1640-1705 0 1 0 3 0 6 2 0 0 0 12
Spo(all night) 0 0 0 0 1 1 2 0 0 0 4
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Sky obscured:
Duration(UT) Percentage(%)
1540-1610 10
1640-1705 10
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Limiting magnitude:
Time Star area Star count Lm
1540 4 5 5.01
1559 17 8 4.52
1606 17 5 3.73
1640 4 5 5.01
1648 17 8 4.52
Mean limiting magnitude:4.70
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