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(meteorobs) Fwd: Perseids Aug. 12/13 by Ju Zhao




------- Forwarded Message

Date: Sun, 15 Aug 1999 15:16:49 +0800
From: zhaoju <zhaoju@usa.net>
To: "meteorobs@jovian.com" <meteorobs@jovian.com>,
        "MeteorObs@charleston.net" <MeteorObs@charleston.net>,
        "visual@imo.net" <visual@imo.net>,
        "observers@skypub.com" <observers@skypub.com>
Cc: "zj@vega.bac.pku.edu.cn (Jin Zhu)" <zj@vega.bac.pku.edu.cn (Jin Zhu)>,
        "moongod@263.net" <moongod@263.net>,
        "eastjoan@263.net" <eastjoan@263.net>
Subject: Perseids Aug. 12/13 by Ju Zhao
Organization: nlb

Just as Mr Zhu Jin said in his mail ,this is my first time to report my visual
observation result in standard IMO method . These three reports spent me much
more time than observation.In fact I spent about 10 hours to finished them. I
would be very happy if some  of them are useful for you. Sorry for sent the
second mail twice because of my careless.

Mr Zhu Jin's kind help is very appreciated.

Detail report is as following.

*************************** 
NAMN VISUAL SUMMARY REPORT 
*************************** 

DATE  August 12\13 1999                   BEGIN:17:46 UT    END:18:10 UT

OBSERVER: Ju Zhao 

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

RECORDING METHOD: Tape Recorder 
- -----------------------------------------------------------------------------

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 

 17:46-18:06   RA 2h  11m\DEC 40 deg.     0.33    1.06  5.6   17   1    9 
- ---------------------------------------------------------------------------- 

TOTALS                                   0.33                 17   1    9 
- ---------------------------------------------------------------------------- 

MAGNITUDE DISTRIBUTIONS: 

SHOWER   -6 -5 -4 -3 -2 -1   0    1    2    3    4   5    6  TOTAL
PER       0  0  0  0  0  1  2.5  4.5  5.5  2.5  0.5  0.5  0  17
SDA       0  0  0  0  0  0   0    0    0    0   0.5  0.5  0   1
SPO       0  0  0  0  0  0   0    2    3   2.5  1.5   0   0   9
- ------------------------------------------------------------------
TOTAL     0  0  0  0  0  1  2.5  6.5  8.5   5   2.5   1   0   27
- -----------------------------------------------------------------------------

 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:    
               STAR    STAR         
TIME(UT)      AREA         COUNT         LM    
   17:46        6            8           5.9 
   17:50        6            6           5.4 
   17:54        6            6           5.4 
   18:02        6            8           5.9
   18:06        6            6           5.4

 MEAN LIMITING MAGNITUDE:5.6

METEOR DATA:
 
#  TIME(UT)  MAG  VEL.  COLOR  SHOWER  TRAIN  MAP  ACCURACY 
- - ----------------------------------------------------------------------------
--
- -
1   17:46     0    3      W     PER
2   17:47    +2    3      W     SPO
3   17:48    +4    3      W     SPO 
4   17:48    +2    4      W     PER 
5   17:49    +3    3      W     SPO 
6   17:49    +2    4      W     PER 
7   17:50    +2    4      W     PER 
8   17:50    +3    2      W     PER
9   17:52    +1    3      Y     PER 
10  17:53    -1    3      W     PER
11  17:55    +2    4      W     SPO 
12  17:56    +4.5  3      W     SDA
13  17:56    +1    2      W     PER 
14  17:57    +2    3      W     PER 
15  17:58    +3    5      W     PER
16  17:58    +4.5  5      W     PER 
17  17:58    +2    5      W     PER
18  17:59    +3    4      W     PER 
19  18:00    +4    3      W     SPO 
20  18:01    +1    3      W     PER 
21  18:02    +3    5      W     PER 
22  18:04    +3    4      W     PER
23  18:05    +2    2      W     SPO          0.2S 
24  18:05    +3    3      W     SPO 
25  18:05    +2    3      W     PER 
26  18:05    +4    2      W     SPO
27  18:06    +2    5      W     SPO


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

 REMARKS:
 -------------------------------------------------------------------------------


COLOR: Y: yellow. W white

<END OF REPORT>   

------- End of Forwarded Message



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