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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 3 2.50 4 46 52 23
13:30 7 5.75 26 50 22 10
14:30 5 3.25 60 148 68 19
15:30 4 3.40 73 94 68 11
16:30 9 8.17 222 96 63 6
17:30 14 13.00 743 117 34 4
18:30 10 8.32 553 149 54 6
19:30 1 0.58 11 145 - 44 IRAN
20:30 2 2.08 40 81 8 13 ROMANIA,IRAN
21:30 1 0.62 4 41 - 21 ROMANIA
22:30 1 0.90 18 218 - 51 IRAN
Aug.13, 1999
12:30 2 1.83 16 41 5 10
13:30 1 1.00 18 55 - 13
14:30 3 3.33 101 84 9 8
15:30 8 7.17 198 89 41 6
16:30 10 7.55 226 88 37 6
17:30 10 8.83 235 80 28 5
18:20 9 6.33 202 70 34 5
22:30 1 1.00 26 233 - 46 TURKEY
---------------------------------------------------------
Observers : Yasunori FUJIWARA, Nobuyuki FUKUDA, Keiichi FUKUI,
(44members) Takema HASHIMOTO, Isamu HATSUKADE, Kiyoshi IZUMI(*1),
Shin'ya KIKUCHI, Atsushi KISANUKI, Wakaba KOBAYASHI,
Hiroyuki KODAMA, Karimu KURAGAKI, Katsuhiko MAMETA,
Hiromi MITAMURA, Kazuyuki MIYAMURA, Hidekatsu MIZOGUCHI,
Hiroshi OGAWA,Yuhsuke OHKUBO, Tomohiro OOISHI,
Kazuhiro OSADA, Mitsue SAKAGUCHI, Daisuke SATO, Koetsu SATO,
Hirotaka SERIZAWA, Yasuo SHIBA, Hiroyuki SHIOI, Kazuhiro SUMIE,
Masafumi SUZUKI, Mika TAKANASHI, Soichiro TAKEMOTO,
Kazumi TERAKUBO, Yasuhiro TONOMURA(*2), Ayako TORASAWA,
Takuo TORIGOE, Yasuko TOYA, Shigeo UCHIYAMA(*3),
Satoshi UEHARA, Yasuo YABU(*2), Ayaka YAMAMOTO, Ikuo YAMAMOTO,
Yumi YAMAMOTO, Yoko YAMANAMI(*1), Satomi YOKOCHI,
Hiromichi YOSHIDOME, Masaaki YOSHIMURA
(*1:in IRAN, *2:in ROMANIA, *3:in TURKEY)
Total observations (Aug.07-17) : 9,076minutes (=151.27h)
Total number of Perseids meteors (Aug.07-17) : 3,657Observers
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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