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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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