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(meteorobs) Obs. Jan. 07, 2002 (ZHUJI@30015)



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CMON VISUAL OBSERVATION FORM - SUMMARY REPORT
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DATE: Jan. 7/8, 2002
BEGIN: 20:45  UT
END: 21:45  UT
OBSERVER: Jin Zhu                                 IMO observer code: ZHUJI
LOCATION: Long: 117d 34' 42" East; Lat: 40d 23' 47" North; Elevation: 860m.
Place: Xinglong, Hebei, CHINA                         IMO site code: 30015
RECORDING METHOD: voice recorder
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OBSERVED SHOWERS: 3-letter code; radiant position; radiant diameter
                   DCA ; RA 07h 48m  DEC +22 deg.; 20 deg
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OBSERVING PERIODS: 0 = none seen;    / = shower not watched.

PERIOD(UT)         FIELD             Teff    F        LM     DCA  SPO
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20:45-21:45   RA 9h40m DEC +40 deg   1.00   1.05     5.75     1    18        
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TOTALS                               1.00            5.75     1    18 
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MAGNITUDE DISTRIBUTIONS:
20:45-21:45
SHOWER   -7  -6  -5  -4  -3  -2  -1  0  +1  +2  +3  +4  +5  +6  TOTAL
DCA       0   0   0   0   0   0   0  0   0   1   0   0   0   0    1
SPO       0   0   0   0   0   1   0  1   3   3   8   2   0   0   18
-----------------------------------------------------------------------
Total     0   0   0   0   0   1   0  1   3   4   8   2   0   0   19            
-----------------------------------------------------------------------
SKY OBSCURED:
Duration (UT)   Percentage(%)
20:45-21:45          5
----------------------------------------------------------------------------
DEAD TIME: 0 s
BREAKS: none
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LIMITING MAGNITUDE:
          STAR      STAR
TIME      AREA      COUNT     LM
20:45      4          8      5.75
20:53      9         13      5.73
20:59      4          8      5.75
21:15      9         13      5.73
21:20      4          9      5.76
21:34      4          8      5.75
21:45      9         13      5.73

MEAN LIMITING MAGNITUDE: 5.75
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Original records:

#  TIME(UT) MAG VEL. SHOWER TRAIN COLOR MEM
----------------------------------------------------------------------------
   20:45 start
   20:45 LM - #04/08
         FOV center: RA 10h, DEC +40 deg.
         k - 5%
01 20:50    +1   4    SPO
02 20:53    +4   3    SPO 
   20:53 LM - #09/13
03 20:54    +3   4    SPO
04 20:55    +3   4    SPO
   20:56 a +3.5 flash near HIP54688 (11h12m, +14)
   20:59 LM - #04/08
05 21:04    +0   3    SPO
06 21:05    +2   4    SPO
07 21:11    +3   4    SPO
08 21:13    +3   3    SPO
   21:15 LM - #09/13
09 21:18    +4   4    SPO
10 21:21    +2   4    SPO
11 21:22    +3   4    SPO            near (11h, +43), 'spreading'?
12 21:26    +2   2    DCA
13 21:30    +2   4    SPO
14 21:31    -2   ?    SPO   2s  bright flash at edge of FOV, could be brighter?
   21:34 LM - #04/08
15 21:35    +3   4    SPO
16 21:39    +1   3    SPO   1s    g&r
17 21:40    +3   3    SPO
   21:40 satellite N->S +3
18 21:42    +1   4    SPO
19 21:43    +3   4    SPO
   21:43 satellite N->S +4 
   21:45 LM - #09/13
   21:45 end

VELOCITY (VEL.) SCALE:
0 = Stationary
1 = Very Slow
2 = Slow
3 = Medium
4 = Fast
5 = Very Fast
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REMARKS:

Thanks to Dan Xia for retriving voice data and helping to make this form.
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<END OF REPORT>

-- 
===========================================================================
Jin Zhu                             | Tel.:  +86-10-62756286 (O)
National Astronomical Observatories |        +86-314-5520267 (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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