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(meteorobs) Perseids from China [1] -- clear skies, beautiful meteors
Hi, everyone,
4 observers at least here. This is my report on August 11/12 -- the finest
day.
=============================================
CMON VISUAL OBSERVATION FORM - SUMMARY REPORT
=============================================
DATE: Aug. 11/12, 2001
BEGIN: 12:45 UT
END: 17:50 UT
OBSERVER: Huan Meng IMO code: MENHU
LOCATION: Long: 117d 34' 42" East; Lat: 40d 23' 47" North; Elevation: 860 m.
Place: Xinglong, Hebei, CHINA
RECORDING METHOD: tape recorder
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OBSERVED SHOWERS: 3-letter code; radiant position; radiant diameter
PER RA 03h 04m DEC +58 deg.;
SDA RA 23h 20m DEC -13 deg.;
ANT RA 22h 16m DEC -10 deg.;
KCY RA 18h 56m DEC +58 deg.;
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OBSERVING PERIODS: 0 = none seen; / = shower not watched.
PERIOD(UT) FIELD Teff F LM PER KCY ANT SDA
SPO
12:45-14:05 RA 18h40m DEC +40 deg 1.23 1.05 5.1 9 3 3 1 9
15:53-17:50 RA 22h00m DEC +40 deg 1.47 1.07 4.7 26 4 / / 6
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TOTALS 2.70 35 7 3 1
15
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MAGNITUDE DISTRIBUTIONS:
SHOWER -7 -6 -5 -4 -3 -2 -1 0 +1 +2 +3 +4 +5 +6 TOTAL
PER 0 1 3 0 2 2 8 3 0 5 7 4 0 0 35
KCY 0 0 0 0 0 1 0 0 1 1 3 1 0 0 7
ANT 0 0 0 0 1 1 0 0 0 0 1 0 0 0 3
SDA 0 0 0 0 0 0 0 0 0 1 0 0 0 0 1
SPO 0 0 0 0 0 0 0 0 4 5 5 3 1 0 15
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Total 0 1 3 0 3 4 8 3 5 12 16 8 1 0 61
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SKY OBSCURED:
Duration (UT) Percentage(%)
12:45-14:05 5
15:53-17:11 5
17:12-17:33 10
17:34-17:39 5
17:39-17:50 10
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DEAD TIME: None
BREAKS: (To see the original records below)
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LIMITING MAGNITUDE:
STAR STAR
TIME AREA COUNT LM
12:45 14 5 4.73
12:54 14 5 4.73
13:41 5 6 5.30
MEAN LIMITING MAGNITUDE: 5.1
STAR STAR
TIME AREA COUNT LM
15:54 14 4 4.65
15:55 14 5 4.73
17:31 14 4 4.65
17:45 14 5 4.73
MEAN LIMITING MAGNITUDE: 4.7
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Original records:
# TIME(UT) SHOWER MAG VEL. TRAIN COLOR MAP ACCURACY MEM
------------------------------------------------------------------
12:45 Start
12:45 Sky Obscurd 5%
12:45 LM #14/5, LM=4.73
01 12:49 PER +3 3
02 12:50 PER +4 2
03 12:52 KCY +4 2
12:54 LM #14/5, LM=4.73
04 12:56 KCY +1 4
05 ??:?? PER +3 4
06 13:05 PER -3 5 2s yellow
07 13:07 SPO +3 1
08 13:08 PER +4 5
09 13:09 KCY +2 0
10 13:15 SPO +3 2
13:17 Man-made Satellite with +2 mag.
11 13:?? SPO +2 2
12 13:21 PER +4 5
13 13:23 ANT +3 3
14 13:23 SPO +3.5 3
15 13:23 PER +3 3
16 13:29 SPO +1 4
17 13:31 SPO ?? 4
18 13:36 SPO +3 0
13:36 Break time start
13:41 Break time end
13:41 LM #5/6, LM=5.30
19 13:45 SPO +2 0
20 13:49 ANT -3 2 2s yellow
13:51 Beautiful IRF Satellite with -7 mag.
21 13:51 ANT -2 4
13:54 Break time start
13:55 Break time end
22 13:56 PER +2 5
23 14:00 PER +0 4
24 14:00 SPO +3 3
25 14:04 SDA +2 3
14:05 End
15:53 Start
15:54 LM #14/4, LM=4.65
15:55 LM #14/5, LM=4.73
01 15:56 KCY +3 4
02 15:57 PER +2 3
15:58 Sky Obscured 5%
03 15:58 SPO +2 4
04 16:02 PER +3 4
05 16:03 KCY +3 2
06 16:05 PER -1 5
16:06 Break time start
16:10 Break time end
07 16:10 KCY -2 3
08 16:11 PER -3 4
09 16:11 PER +2 4
16:14 Break time start
16:15 Break time end
10 16:16 PER +3 4
16:22 SPO +1 2
11 16:26 PER +4 3
12 16:27 PER +0 4
16:28 Break time start
13 16:30 Break time end
14 16:30 PER -2 5
15 16:34 PER +0 4
16 16:40 PER +3 3
17 16:43 SPO +1 1
18 16:44 PER -1 3
16:46 Break time start
16:53 Break time end
19 16:54 PER -2 4 1s yellow
20 16:58 PER -5 4
21 16:58 PER -1 4
22 17:00 PER +2 4
23 17:00 PER -1 3
17:01 Break time start
17:03 Break time end
24 17:06 PER -1 5
25 17:07 PER -1 2 red
26 17:08 SPO +2 4
27 17:10 PER -1 5
28 17;11 PER +2 4
17:11 Sky Obscured 10%
17:16 Break time start
17:29 Break time end
17:31 LM #14/4, LM=4.65
17:33 Sky Obscured 5%
29 17:33 PER -6 4
30 17:36 PER -5 3
17:39 Sky Obscured 10%
31 17:41 SPO +2 2
32 17:42 PER -5 2
33 17:42 SPO +1 4
34 17:43 PER +0 3
35 17:43 KCY +3 2
36 17:44 PER -1 5
17:45 LM #14/5, LM=4.73
17:50 End
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>
All best wishes and Clear skies!
Huan Meng <meteorobs_menhu@hotmail.com>
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