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



=============================================
CMON VISUAL OBSERVATION FORM - SUMMARY REPORT
=============================================
DATE: Jan. 7/8, 2002
BEGIN: 14:25  UT
END: 21:24  UT
OBSERVER: Dan Xia                                 IMO observer code: XIADA
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
----------------------------------------------------------------------------
OBSERVED SHOWERS: 3-letter code; radiant position; radiant diameter
                   DCA ; RA 07h 48m  DEC +22 deg.; 20 deg
----------------------------------------------------------------------------
OBSERVING PERIODS: 0 = none seen;    / = shower not watched.

PERIOD(UT)         FIELD             Teff    F        LM     DCA  SPO
14:25-15:25        E 85              1.00   1.05      6.2      1    1
15:25-16:29        E 85              0.97   1.05      6.0      3    3
19:10-20:22        E 85              1.07   1.05      5.8      7    4
20:27-21:24        W 85              0.95   1.05      5.9      1   11         
-----------------------------------------------------------------------
TOTALS                               3.99             6.0     12   19 
-----------------------------------------------------------------------
MAGNITUDE DISTRIBUTIONS:
14:25-21:24
SHOWER   -7  -6  -5  -4  -3  -2  -1  0  +1  +2  +3  +4  +5  +6  TOTAL
DCA       0   0   0   0   0   0   1  1   0   5   3   2   0   0   12
SPO       0   0   0   0   0   0   1  2   1   3   5   6   1   0   19
-----------------------------------------------------------------------
Total     0   0   0   0   0   0   2  3   1   8   8   8   1   0   31            
-----------------------------------------------------------------------
SKY OBSCURED:

Duration (UT)   Percentage(%)
14:25-21:24          5
----------------------------------------------------------------------------
DEAD TIME: 0 s.
BREAKS: 16:13-16:19, 16:29-19:10, 19:57-20:05, 20:22-20:27.
----------------------------------------------------------------------------
LIMITING MAGNITUDE:

          STAR      STAR
TIME      AREA      COUNT     LM

14:25      17        15      6.11
14:27       4        12      6.37
15:04      17        13      5.99

15:41      17        14      6.09
16:04       4        10      5.78
16:29       4        11      6.20

19:10       4        10      5.78
20:20       4        10      5.78 

20:32       4        10      5.78
20:45       4         9      5.76
20:59       9        14      5.92
21:15       9        14      5.92

MEAN LIMITING MAGNITUDE: 6.0
----------------------------------------------------------------------------   
Original records:

#  TIME(UT) MAG VEL. SHOWER TRAIN COLOR MEM
----------------------------------------------------------------------------
   14:25 start
01 15:07    +2   2    DCA
02 15:12    +0   4    SPO
03 15:26    +4   5    SPO
04 15:33    +3   5    SPO
05 15:41    +3   3    DCA
06 15:49    +4   5    SPO
07 16:19    +2   5    DCA
08 16:25    +2   4    DCA  
09 19:17    +4   5    DCA
10 19:21    +2   5    DCA
11 19:35    -1   2    DCA
12 19:39    +3   5    DCA
13 19:42    +0   4    DCA
14 19:43    +3   5    DCA
15 19:44    +4   3    DCA
16 20:05    +5   5    SPO
17 20:05    +3   4    SPO
18 20:04    +1   4    SPO
19 20:17    +2   4    SPO
20 20:27    +4   5    SPO
21 20:27    +2   4    DCA
22 20:29    +4   2    SPO
23 20:50    +0   4    SPO
24 20:55    +4   4    SPO
25 21:03    +3   4    SPO
26 21:04    -1   3    SPO
27 21:05    +2   3    SPO
28 21:11    +3   4    SPO
29 21:13    +3   3    SPO
30 21:18    +4   4    SPO
31 21:21    +2   4    SPO
   21:24 end

VELOCITY (VEL.) SCALE:
0 = Stationary
1 = Very Slow
2 = Slow
3 = Medium
4 = Fast
5 = Very Fast
----------------------------------------------------------------------------
REMARKS:
----------------------------------------------------------------------------
<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
---------------------------------------------------------------------------
Room 2919, No. 2 Science Building, CAS-PKU Beijing Astrophysics Center,
Peking University, Beijing 100871, P. R. CHINA.
---------------------------------------------------------------------------
email: zj@bac.pkudot edu.cn                  http://vega.bac.pkudot edu.cn/~zj
===========================================================================
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