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(meteorobs) URS before the predicted maximum
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NAMN VISUAL SUMMARY REPORT
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DATE: Dec. 21/22, 2000 BEGIN: 18:04 UT END: 22:14 UT
OBSERVER: Jin Zhu (ZHUJI)
LOCATION: Long: 117 d 34' 42" East; Lat: 40 d 23' 47" North
Place: Xinglong, Hebei, CHINA Elevation: 860 m.
RECORDING METHOD: Voice Recorder
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OBSERVED SHOWERS: 3-letter code; radiant position; radiant diameter
URS ; RA 14h 30m DEC +76d; 10d
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OBSERVING PERIODS: 0 = none seen; / = shower not watched.
PERIOD(UT) FIELD Teff F LM URS SPO
18:04-19:26 RA 11h 30m DEC +75d 1.37 1.00 5.8 3 25
20:50-22:14 RA 11h 30m DEC +70d 1.40 1.00 5.8 7 26
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TOTALS 2.77 10 51 (61)
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MAGNITUDE DISTRIBUTIONS:
SHOWER -7 -6 -5 -4 -3 -2 -1 0 +1 +2 +3 +4 +5 +6 TOTAL
URS 0 0 0 0 0 0 0 0 0 2 6 1 1 0 10
SPO 0 0 0 0 0 2 1 2 7 9 13 12 5 0 51
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Total 0 0 0 0 0 2 1 2 7 11 19 13 6 0 61
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SKY OBSCURED:
Percentage(%) Duration (UT)
0 18:04-19:26
0 20:50-22:14
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DEAD TIME: NONE
BREAKS: NONE
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LIMITING MAGNITUDE:
STAR STAR
TIME AREA COUNT LM
18:07 03 09 5.16
18:12 17 11 5.64
18:15 16 06 5.64
18:23 03 11 5.66
18:25 19 06 5.81
18:32 17 12 5.91
18:49 03 12 5.72
19:02 03 13 5.79
19:17 17 12 5.91
19:26 03 12 5.72
20:50 03 12 5.72
20:52 16 08 5.85
20:53 17 12 5.91
21:03 03 12 5.72
21:10 06 08 5.85
21:10 19 06 5.81
21:22 03 12 5.72
21:31 03 11 5.66
21:31 19 05 5.50
21:54 03 11 5.66
22:07 03 11 5.66
22:10 03 10 5.49
22:14 16 05 5.15
MEAN LIMITING MAGNITUDE: 5.8
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METEOR DATA:
(see attached Original Records)
VELOCITY (VEL.) SCALE:
0 = Stationary
1 = Very Slow
2 = Slow
3 = Medium
4 = Fast
5 = Very Fast
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REMARKS:
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<END OF REPORT>
Original records:
# TIME(UT) SHOWER MAG SPEED TRAIN(SEC) MEM
(17:54 SPO +3 3 (Aur) )
(17:57 SPO )
(17:58 URS +4 1)
(17:58 URS +4 1)
(17:58 URS +4 1)
18:04 start
FOV: RA 11h 30m DEC +75d
18:07 LM: 03/09
01 18:10 SPO +2 1
02 18:10 SPO +0 1
18:12 LM: 17/11
03 18:12 SPO +4 2
(18:13 SPO faint, fast, not sure)
18:15 LM: 16/06
04 18:18 URS +3 1
05 18:20 SPO -2 2 2s (40d arc)
(18:21 URS? not sure)
18:23 LM: 03/11
18:25 LM: 19/06
06 18:26 SPO +5 3
07 18:27 SPO +3 4
08 18:27 SPO +4 4 (almost simultaneously with #07, oppsitly parallel)
09 18:28 URS +2 2
18:32 LM: 17/12
10 18:32 SPO +4 5
11 18:35 SPO +5 5
12 18:44 URS +3 1
13 18:45 SPO +2 2 (Aur)
14 18:47 SPO +4 4
15 18:47 SPO +4 5
18:49 LM: 03/12
16 18:54 SPO +1 3 curve
17 18:55 SPO +2 3
19:00 airplane (seen by C. H. Liu first)
(19:00 SPO seen by C. H. Liu only)
19:02 LM: 03/13
18 19:02 SPO +2 4
(19:06 SPO +4 4 arc > 60d; seen by J. W. Wu only)
19 19:06 SPO +5 3
20 19:07 SPO +1 2 curve, similar appearance with #16, yellow?
21 19:08 SPO +5 3
(19:08 SPO +1 3 seen by J. W. Wu only)
22 19:09 SPO +4 3
23 19:14 SPO +1 2 curve?
(19:15 SPO +3 3 seen by J. W. Wu only)
(19:15 SPO +4 3 seen by J. W. Wu only)
24 19:15 SPO +2 5
25 19:17 SPO +4 4
26 19:17 SPO +5 4
19:17 LM: 17/12
27 19:24 SPO +1 3 1s
28 19:25 SPO +3 3
19:26 LM: 03/12
19:26 end
20:50 start
FOV: RA 11h 30m DEC +70d
20:50 LM: 03/12
29 20:50 SPO -2 2
20:52 LM: 16/08
20:53 LM: 17/12
20:53 Iriuim -2?? (disappear)
30 20:56 URS +2 2
31 20:56 SPO +0 3 2s (arc > 50d)
32 20:58 SPO +1 3
33 21:01 SPO +3 4
21:03 LM: 03/12
34 21:09 SPO +4 3
21:10 LM: 06/08
21:10 LM: 19/06
(21:11 SPO +4 2 not sure)
(21:12 SPO not sure)
35 21:14 SPO +4 4
36 21:20 URS +5 2
21:22 LM: 03/12
37 21:23 SPO +1 4 0.5s
38 21:23 SPO +2 5
39 21:23 URS +3 1
21:31 LM: 03/11
21:31 LM: 19/05
40 21:38 SPO +4 5
41 21:38 SPO +3 2 (arc > 50d)
42 21:39 URS +3 2
43 21:41 SPO +3 5
44 21:42 SPO +4 3
21:42 airplane (W-->E)
45 21:44 SPO +4 3
46 21:44 SPO +3 4 0.2s
47 21:45 SPO +3 2
48 21:46 SPO +3 4
49 21:47 SPO +3 5
(21:49 SPO +3 4 only seen by J. W. Wu)
21:49 airplane (W-->E)
21:49 satellite +4
50 21:49 SPO -1 5
(21:49 SPO +5 3 only seen by J. W. Wu)
51 21:52 SPO +3 5
21:54 LM: 03/11
(21:54 SPO +4 only seen by J. W. Wu)
52 21:54 SPO +3 3
53 21:55 SPO +2 3
54 21:55 URS +4 2
55 21:57 SPO +3 3
56 21:57 SPO +3 3 (wider in middle? - shuttle-like)
57 22:01 SPO +1 4
58 22:01 URS +3 3
59 22:05 URS +3 1
22:07 LM: 03/11
60 22:08 SPO +2 5
22:09 two airplanes (W-->E), 2nd with very long trace
22:09 satellite (Mir or ISS?) NW-->SE, light variation
61 22:09 SPO +2 5
(22:10 SPO +4 3 only seen by J. W. Wu)
22:10 LM: 03/10
22:14 LM: 16/05
22:14 end
--
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Jin Zhu | Tel.: +86-10-62751286 (O)
Beijing Astronomical Observatory | +86-314-5054767 (Schmidt dome)
Chinese Academy of Sciences | Pager: +86-10-96301682333
P. R. China | Fax : +86-10-62765031
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Room 2919, No. 2 Science Building, CAS-PKU Beijing Astrophysics Center,
Peking University, Beijing 100871, P. R. CHINA.
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email: zj@bac.pkudot edu.cn http://vega.bac.pkudot edu.cn/~zj
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