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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@usadot net>
To: "meteorobs@jovian.com" <meteorobs@jovian.com>,
"MeteorObs@charlestondot net" <MeteorObs@charlestondot net>,
"visual@imodot net" <visual@imodot net>,
"observers@skypub.com" <observers@skypub.com>
Cc: "zj@vega.bac.pkudot edu.cn (Jin Zhu)" <zj@vega.bac.pkudot edu.cn (Jin Zhu)>,
"moongod@263dot net" <moongod@263dot net>,
"eastjoan@263dot net" <eastjoan@263dot 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>
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