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(meteorobs) Eta Aquarids in Japan : Preliminary resu



Visual results in Japan (The Nippon Meteor Society).

ZHR has been computed with: 
-  gamma = 1.0 (correction of Radiant elevation)
-  r = 2.7   (IMO Handbook for Visual Mereor Observers , Page 163)
-  excluding:observations under unfavourable condition
   (T<30m, Lm<4.0mag, Cl>0.4, RP-h<10deg)

-------------------------------------------------------------------
Time[UT]  #Obs  T.eff  #ETA   ZHR(ETA)  SD   Remarks(Observer(ZHR))
-------------------------------------------------------------------
Apr.29, 1999
18:30       1   1.00      0       0      -   YANSI

Apr.30, 1999
17:30       1   1.00      5      86      -   OSAKA

May 01, 1999
17:30       1   1.00      8     137      -   OSAKA
18:15       2   1.50      3      40      -   HASTA(41),YANSI(38)

May 02-04, 1999 : No Data

May 05, 1999
18:30       1   1.00      4     107      -   YANSI

May 06, 1999
17:30       3   3.00     17      72     48   HASTA(78),OSAKA(116),SUMKA(21)
18:25       3   2.58     26      92     60   HASTA(116),OSAKA(137),SUMKA(24)

May 07, 1999
17:30       1   1.00     13     140      -   OSAKA
18:30       1   1.00      5     103      -   YANSI

May 08, 1999
17:23       1   0.75      2      86      -   HASTA
-------------------------------------------------------------------

Observers   : Takema HASHIMOTO   (HASTA),
( 4 members)  Kazuhiro OSADA     (OSAKA),
              Kazuhiro SUMIE     (SUMKA),
              Shin'ichiro YANAGI (YANSI)

Total observations          (Apr.29-May 08) :   830minutes (= 13.83h)
Total number of ETA meteors (Apr.29-May 08) :    83

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/tb99eta.html

-----------------------------------------------------------------------
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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