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(meteorobs) PER 020812 from ZHUJI
Visual Observing Form - Summary Report
Day: 12/13 Month: 08 Year: 2002 Begin: 17h20m End: 19h26m
Location long. 117d34'42"E latit. 40d32'47"N 860 meter IMO code: 30015
Site: Xinglong, Hebei Country: China
Observer Jin ZHU IMO code: ZHUJI
Showers:
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| Shw |alpha|delta| Shw |alpha|delta| Shw |alpha|delta| Shw |alpha|delta|
|-------------------------------------------------------------------------|
| PER | 045 | +58 | | | | | | | | | |
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| Period |Field |Teff| F | lm |PER | ___| ___| ___| ___| ___| ___|Spor|
| (UT) |RA Dec| h | | m |M| N|M| N|M| N|M| N|M| N|M| N|M| N|M| N|
|-----------------------------------------------------------------------|
1|1720-1830|350|+40|1.07|1.1| 5.6|c|31| | | | | | | | | | | | |c|19|
|---------|---|---|----|---|----|-|--|-|--|-|--|-|--|-|--|-|--|-|--|-|--|
2|1832-1926|360|+40|0.77|1.1| 4.3|c|18| | | | | | | | | | | | |c|10|
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|Shower |-6|-5|-4|-3| -2| -1 | 0 | +1 | +2 | +3 | +4 | +5 | +6 | +7| tot|
|--------|--|--|--|--|---|----|----|----|----|----|----|----|----|---|----|
| PER 1 | 2| 1| 1| 2| 3| 0 | 2 | 3 | 3 | 10 | 3 | 1 | 0 | 0| 31 |
|--------|--|--|--|--|---|----|----|----|----|----|----|----|----|---|----|
| PER 2 | 0| 0| 1| 2| 0| 1 | 3 | 2 | 5 | 4 | 0 | 0 | 0 | 0| 18 |
|--------|--|--|--|--|---|----|----|----|----|----|----|----|----|---|----|
|spor. | 2| 0| 0| 2| 2| 3 | 2 | 6 | 4 | 4 | 4 | 0 | 0 | 0| 29 |
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Interval from 17:20 to 18:30
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|Time | Nr | N | lm |Time | Nr | N | lm |Time | Nr | N | lm |
|--------------------------------------------------------------------|
| 17:33 | 14 | 10 |5.58| 17:45 | 02 | 08 |5.60| 18:17 | 02 | 07 |5.55|
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Mean limiting magnitude Lm: 5.6 (same as on summary report)
------------------------------------------- ----------------
| Obscured Field | % | Obscured Field | % | | Breaks |
|-------------------------------------------| |----------------|
| 17:20 to 18:30 | 05 | _____ to _____ | __ | | 17:38 to 17:39 |
| _____ to _____ | __ | _____ to _____ | __ | | 18:04 to 18:06 |
| _____ to _____ | __ | _____ to _____ | __ | | 18:20 to 18:21 |
------------------------------------------- ----------------
K= 0.05 , F=1/(1-K)= 1.1 (same as on summary report)
Time for plotting: 0 sec/meteor, 0 m total, Breaks: 4 m total.
Net observed time Teff= 64 m = 1.07 h (same as on summary report.
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Interval from 18:32 to 19:26
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|Time | Nr | N | lm |Time | Nr | N | lm |Time | Nr | N | lm |
|--------------------------------------------------------------------|
| 18:57 | 02 | 05 |4.95| 19:01 | 02 | 04 |3.78| 19:24 | 17 | 06 |3.97|
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Mean limiting magnitude Lm: 4.3 (same as on summary report)
------------------------------------------- ----------------
| Obscured Field | % | Obscured Field | % | | Breaks |
|-------------------------------------------| |----------------|
| 18:32 to 19:26 | 05 | _____ to _____ | __ | | 18:40 to 18:42 |
| _____ to _____ | __ | _____ to _____ | __ | | 18:50 to 18:56 |
------------------------------------------- ----------------
K= 0.05 , F=1/(1-K)= 1.1 (same as on summary report)
Time for plotting: 0 sec/meteor, 0 m total, Breaks: 8 m total.
Net observed time Teff= 46 m = 0.77 h (same as on summary report.
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--
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Jin Zhu | Tel.: +86-10-62756286 (O)
National Astronomical Observatories | +86-314-5520439 (Schmidt dome)
Chinese Academy of Sciences | Pager: +86-10-96301682333
P. R. China | Fax : +86-10-62765031
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email: jinzhu@bao.ac.cn http://vega.bac.pkudot edu.cn/~zj
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