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(meteorobs) Perseids in Japan : Preliminary results
Perseids 1999
Visual results in Japan (The Nippon Meteor Society).
ZHR has been computed with:
- gamma = 1.0 (correction of Radiant elevation)
- r = 2.6 (IMO Handbook for Visual Mereor Observers , Page 189)
- excluding:observations under unfavourable condition
(T<30m, Lm<4.0mag, Cl>0.4, RP-h<10deg)
- SD : standerd deviation of ZHR
- Err. : ZHR * 1/SQRT(#Per)
---------------------------------------------------------
Time[UT] #Obs T.eff #Per ZHR(Per) SD Err. Remarks
---------------------------------------------------------
Aug.11, 1999
11:30 1 1.50 7 83 - 31
12:30 0 - - - - -
13:30 1 1.00 7 45 - 17
14:30 1 1.00 16 73 - 18
15:30 0 - - - - -
16:30 0 - - - - -
17:30 1 1.00 20 34 - 8
18:30 3 2.00 51 60 27 8
19:00 1 0.50 16 133 - 33
Aug.12, 1999
12:30 1 0.50 2 103 - 73
13:30 3 2.42 16 55 20 14
14:30 3 1.83 34 125 70 21
15:30 2 1.50 40 61 14 10
16:30 3 2.00 74 90 20 10
17:30 10 8.97 518 113 34 5
18:20 9 7.48 528 159 48 7
Aug.13, 1999
00:30 1 0.75 10 50 - 16 Romania
13:30 1 1.00 18 55 - 13
14:30 1 1.00 37 86 - 14
15:30 5 4.33 87 70 28 8
16:30 5 3.47 112 97 18 9
17:30 1 1.00 77 100 - 11
18:20 4 3.12 110 75 44 7
---------------------------------------------------------
Observers : Nobuyuki FUKUDA, Takema HASHIMOTO, Isamu HATSUKADE,
(22members) Shin'ya KIKUCHI, Atsushi KISANUKI, Wakaba KOBAYASHI,
Karimu KURAGAKI, Kazutaka MIYAMURA, Hidekatsu MIZOGUCHI,
Tomohiro OOISHI, Kazuhiro OSADA, Yasuo SHIBA, Hiroyuki SHIOI,
Kazuhiro SUMIE, Masafumi SUZUKI, Mika TAKANASHI,
Soichiro TAKEMOTO, Kazumi TERAKUBO, Hiroyuki TONOMURA(*),
Yasuko TOOYA, Hiromichi YOSHIDOME, Masaaki YOSHIMURA
(*):in ROMANIA
Total observations (Aug.07-13) : 4,439minutes (= 73.98h)
Total number of Perseids meteors (Aug.07-13) : 2,265
See more details showing at :
http://www2u.biglobe.ne.jp/~nms/index_e.html
http://www2u.biglobe.ne.jp/~nms/nmsnews_e.html
http://www2u.biglobe.ne.jp/~nms/tbper99.html
http://www2u.biglobe.ne.jp/~nms/per9901.gif
-----------------------------------------------------------------------
Masaaki Takanashi (The Nippon Meteor Society / Gotemba city, JAPAN)
E-Mail : QGA00120@nifty.ne.jp
The Nippon Meteor Society's Web page :
http://www2u.biglobe.ne.jp/~nms/index_e.html
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