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(meteorobs) Quadrantids in Japan : visual observation results -Update-



Quadrantids 2001 prompt report -Update-
Visual results in Japan (The Nippon Meteor Society).

ZHR has been computed with: 
-  gamma = 1.0 (correction of Radiant elevation)
-  r = 2.1  ("IMO 2001 Meteor Shower Calendar" P.17)
-  excluding:observations under unfavourable condition
   (T<30m, Lm<4.5mag, Cl>0.4, RP-h<10deg)
-  Err. : ZHR * 1/SQRT(#QUA)

Hourly ZHR
----------------------------------------------------------------
Time[UT]    SunL   Obs  T.eff  #QUA   ZHR   Err.  (HR)   Remarks
----------------------------------------------------------------
Jan. 2001
01d 15:30  281.287   1   1.00     1    10    10  (  1)
01d 16:30  281.330   2   2.00     2     7     5  (  1)
01d 17:30  281.372   2   2.00     2     4     3  (  1)
01d 18:30  281.414   3   3.33     7     6     2  (  2)
01d 19:30  281.457   3   2.50    13    13     4  (  5)
01d 20:30  281.500   2   2.33    17    13     3  (  7)

02d 15:30  282.307   1   1.00     5    35    16  (  5)
02d 16:30  282.349   2   1.75     6    12     5  (  3)
02d 17:30  282.392   2   2.00     8    17     6  (  4)
02d 18:30  282.434   1   1.00    10    19     6  ( 10)
02d 19:30  282.477   4   4.00    32    17     3  (  8)
02d 20:30  282.519   3   3.00    30    17     3  ( 10)

03d 15:30  283.326  11   9.33    86    85     9  (  9)
03d 16:30  283.368  11   8.83   153    84     7  ( 17)
03d 17:30  283.411  15  12.63   266    81     5  ( 21)
03d 18:30  283.453  17  13.27   443   104     5  ( 33)
03d 19:30  283.496  15  13.28   592   107     4  ( 45)
03d 20:30  283.538  11   8.25   432   110     5  ( 52)

04d 15:30  284.345   1   1.00     6    59    24  (  6)
04d 16:30  284.387   1   0.83     8    50    18  ( 10)
04d 17:30  284.430   0    -       -     -     -  (  -)
04d 18:30  284.472   2   1.50    13    18     5  (  9)
04d 19:30  284.515   2   2.00    14    11     3  (  7)
04d 20:30  284.557   2   1.83    17    15     4  (  9)

05d 15:30  285.364   0    -       -     -     -  (  -)
05d 16:30  285.406   0    -       -     -     -  (  -)
05d 17:30  285.449   0    -       -     -     -  (  -)
05d 18:30  285.491   1   1.00     4     6     3  (  4)
05d 19:30  285.534   2   2.00     7     7     3  (  4)
05d 20:30  285.576   0    -       -     -     -  (  -)
----------------------------------------------------------------

Observers (26members) : 
Yasunori FUJIWARA, Takema HASHIMOTO, Yoshihiro HIGA, Masao IMAISHI, 
Hiroyuki KATO, Ken-ya KAWABATA, Shin-ya KIKUCHI, Katsuyuki KOBAYASHI, 
Hiroyuki KODAMA, Katsuhiko MAMETA, Ryosuke MORITA, Minoru MURAKI, 
Hiroyuki NISHIMOTO, Hiroshi OGAWA, Kazuhiro OSADA, Mitsue SAKAGUCHI,
Koetsu SATO, Mikiya SATO, Kazuhiro SUMIE, Shoichi TANAKA, 
Kazumi TERAKUBO, Masayuki TODA, Yasuhiro TONOMURA, Mio TSUKAKOSHI, 
Shigeo UCHIYAMA, Katsuhiko YOSHIZAKI 

Total observations          :  6,101 min. (=101.68h)
Total number of QUA meteors :  2,174

See more details showing at : 
     http://www.nms.gr.jp/en/index.html
     http://www.nms.gr.jp/nmsnews_e.html
     http://www.nms.gr.jp/qua0101.gif

-----------------------------------------------------------------------
Masaaki Takanashi  (The Nippon Meteor Society / Gotemba city, JAPAN)
                                   E-Mail : takanashi@nms.gr.jp
The Nippon Meteor Society's Web page : http://www.nms.gr.jp/en/
 (New URL! Please change your bookmark and linkspot in your Web site.)
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