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(meteorobs) Perseids Aug. 12/13 by Yuying Song



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NAMN VISUAL SUMMARY REPORT
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DATE  August 12/13 1999                     BEGIN:17:45 UT    END:18:10 UT

OBSERVER: Yuying Song

LOCATION: Long     : 117 d 34' 42" East
          Lat      :  40 d 23' 47" North
          Place    : Xinglong, Hebei, CHINA
          Elevation: 860 m

RECORDING METHOD: Tape Recorder

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OBSERVED SHOWERS:

3-letter code           radiant position         radiant diameter
     PER          RA  3h   04m   DEC +57   deg.
     SDA          RA 23h 22.4m   DEC -13.6 deg.
---------------------------------------------------------------------------
OBSERVING PERIODS: 0 = none seen;    / = shower not watched.

 PERIOD(UT)           FIELD              Teff   F     LM   PER  SDA  SPO
 17:45-18:10   RA 01h03m, DEC +43d       0.42   1.06  6.0   14   3     7
---------------------------------------------------------------------------
TOTALS                                   0.42               14   3    7
---------------------------------------------------------------------------
MAGNITUDE DISTRIBUTIONS:
SHOWER   -7  -6  -5  -4  -3  -2  -1  0  +1  +2  +3  +4  +5  +6  TOTAL
PER       0   0   0   0   0   0   0  0   5   3   5   1   0   0    14
SDA       0   0   0   0   0   0   0  0   1   1   1   0   0   0     3
SPO       0   0   0   0   0   0   0  0   0   3   2   2   0   0     7

Total     0   0   0   0   0   0   0  0   6   7   8   3   0   0    24
---------------------------------------------------------------------------
SKY OBSCURED:
          __0__%          _5.0_%           __20_%
    FROM: 17:45 UT       17:55 UT         18:06 UT
    TO  : 17:55 UT       18:06 UT         18:10 UT

---------------------------------------------------------------------------
 DEAD TIME: None
 BREAKS   : None
---------------------------------------------------------------------------
LIMITING MAGNITUDE:

   TIME(UT) STAR AREA  STAR COUNT   LM
   17:45      6            8       5.9
   17:55      6            8       5.9
   18:04      6            9       6.2

MEAN LIMITING MAGNITUDE: 6.0
---------------------------------------------------------------------------
METEOR DATA:

#  TIME(UT)  MAG  VEL.  COLOR  SHOWER  TRAIN  MAP  ACCURACY
---------------------------------------------------------------------------
1   17:47    +3    3      w     SPO
2   17:47    +3    4      w     PER
3   17:48    +3    3      w     SPO
4   17:48    +1    3      w     PER
5   17:48    +4    3      w     SDA
6   17:49    +3    3      w     SDA
7   17:49    +2    3      w     PER
8   17:50    +2    3      w     PER
9   17:50    +3    3      w     PER
10  17:52    +2    3      w     PER
11  17:52    +3    3      w     PER
12  17:53    +1    4      w     PER
13  17:55    +4    4      w     SPO
14  17:57    +1    4      w     PER
15  17:58    +1    3      w     PER    0.3s
16  17:58    +3    4      w     PER
17  17:59    +3    4      w     PER
18  18:01    +1    4      w     PER    0.2s
19  18:01    +4    4      w     SPO
20  18:02    +4    4      w     PER
21  18:05    +2    3      w     SPO    0.5s
22  18:05    +2    3      w     SDA
23  18:06    +2    3      w     SPO
24  18:06    +2    3      w     SPO
---------------------------------------------------------------------------
VELOCITY (VEL.) SCALE:
0 = Stationary
1 = Very Slow
2 = Slow
3 = Medium
4 = Fast
5 = Very Fast

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REMARKS:

observer's email: moongod@263dot net  (not meteorobs subscriber yet)
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<END OF REPORT>


-- 
========================================================================
Jin Zhu                           | Tel.: +86-10-62759888, 62756612 (O)
Beijing Astronomical Observatory  |       +86-10-68392030 (H)
Chinese Academy of Sciences       |       +86-314-5054767 (Schmidt dome)
P. R. China                       | Fax : +86-10-62759888 or 64888731
------------------------------------------------------------------------
email: zj@bac.pkudot edu.cn or jinzhu@sun.ihep.ac.cn
WWW Home Page: http://vega.bac.pkudot edu.cn/~zj
Pager: zhu@mail.263dot net.cn (only Sub. line) OR +86-10-64256688 PIN 82333
========================================================================
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