(meteorobs) 2004 Perseids in China

[Quanzhi Ye]

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2004 Perseids in China Analysis
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Many new observers joining our team this time, I
recive 20 reports from 17 observers this time, and the
reports can nearly cover the nights of 11, 12 and 13.
Unfortunately the weather was not good in most part of
China when the rev-1 peak occured. 

Beijing Standard Time (GMT-8) to be use.

Day Hour Nind. nINT nPER nSPO ZHR Err.
11 3.0 2 1.5 15 3 39.8 9.9
11 3.2 1 0.4 7 1 35.1 11.7
11 3.8 2 0.7 5 2 40.0 17.5
11 4.6 1 0.7 8 5 41.7 17.6
12 1.3 6 3.7 46 22 57.5 7.4
12 2.0 5 3.4 50 7 63.2 8.8
12 2.8 5 4.5 52 17 62.7 8.9
12 3.5 5 4.1 52 20 61.7 7.8
12 23.6 2 1.8 7 8 54.3 17.1
13 0.5 2 1.4 11 6 63.3 18.3
13 1.5 3 3.1 125 21 136.9 12.2
13 2.5 5 3.3 143 61 116.8 9.7
13 3.5 4 3.8 122 23 95.8 8.6
13 4.5 2 2.4 84 20 111.8 12.1
Total Perseids: 727
Total observed time: 60.3h
Observers: Quanzhi YE (9.5h), Gu CHEN (5.0h), Le JI
(2.7h), Fan ZHANG (1.9h), Xu ZHANG (1.8h), Yujiang CAI
(1.8h), Shangfei LIU (1.6h), Wen ZHOU (1.5h), Yandong
HU (1.5h), Li FENG (1.4h), Hao ZHENG (1.3h), Jiaqing
YANG (1.3h), Wei WANG (1.3h), Jin ZHU (1.1h), Chen XU
(1.0h), Huan MENG (0.7h), Chuan WANG (not use).
Nind.: the number of observers
nINT : observed period (hr)
sPER : the number of Perseid meteors
ZHR :average ZHR with population index = 2.0
Err. : ZHRave/sqrt(PER)
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By Quanzhi YE
August 17, 2004.

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