这是我的,只可惜第二阶段录音机坏了,我没发现,结果就有了20分钟的无效时间。
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VISUAL OBSERVING FORM - PERSEIDS REPORT
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DAY: 12; MONTH: AUG; YEAR: 2002
BEGIN: 16 h 45 m; END: 20 h 20 m (UT)
OBSERVER: Bo Zhang; IMO code: ZHABF
LOCATION: long.: 117d 20' E; latit.: 39°10' N; Elevation: 1m
SITE: Dongli Lake, Tianjin; COUNTRY: P. R. China; IMO code: 30011
RECORDING METHOD: Tape Recorder; Paper
OBSERVED SHOWERS
Shw. alpha delta
PER 046 +58
KCG 284 +59
OBSERVING PERIODS
PERIOD (UT) FIELD T_eff F LM SHOWER Spor.
RA DEC PER KCG
M N M N M N
1645-1830 000 +15 1.75 1.11 5.49 C 24 C 3 C 4
1920-2020 040 +60 0.67 1.25 4.95 C 9 C 0 C 1
MAGNITUDE DISTRIBUTIONS
Shw. -7 -6 -5 -4 -3 -2 -1 0 +1 +2 +3 +4 +5 +6 +7 Tot.
PER 0 0 2 0 5 4 1.5 3.5 7 2 3.5 1.5 0 0 0 33
KCG 0 0 0 0 0 1 0 0 0 1 1 0 0 0 0 3
Spor. 0 0 0 0 0 1 0 1 0 0 3 0 0 0 0 5
Tot. 0 0 2 0 5 6 1.5 4.5 7 3 7.5 1.5 0 0 0 41
SKY OBSCURED
DURATION (UT) PERCENTAGE (%)
1645-1830 10
1920-2020 20
BREAKS
From 1830 to 1920
K=0.13, F=1/(1-K)=1.15 (same as on summary report)
Time for plotting: 0 m total, Breaks: 50 m total.
Dead time: 0.33h TOTAL
Net observed time T_eff=145 m=2.42 h (same as on summary report)
LIMITING MAGNITUDE
TIME STAR ARAE STAR COUNT LM
1645 6 6 5.49
1730 6 6 5.49
1830 6 6 5.49
2020 2 5 4.95
2020 2 5 4.95
MEAN LIMITING MAGNITUDE: 5.34
<END OF REPORT> |
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