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(meteorobs) eta-Aquarids Visual Result from Japan (NMS)



Hello all,

I have calculated eta-Aquarid activity in Japan.

==========================================
  2003 eta-Aquarids  Visual Report from Japan
      ---  The Nippon Meteor Society (NMS) ---
==========================================

N      : The number of data
EAQ    : Total Quadrantid Meteor numbers
Teff   : Total Observing Time
ZHR : Gamma=1.0, r=2.5
Err.   :  ZHR*(1/SQRT(EAQ))

excluding:observations under unfavorable condition
          (Lm<4.5mag, Cl>0.4, RP-h<10deg, Time<30min.)

  Time    UT       JST      N  EAQ  Teff   HR    ZHR   Err.
-------------------------------------------------------------
Apr 27d  18:00  28d 03:00   4   26   200  10.0   21.3   4.2
Apr 28d  18:00  29d 03:00   7   35   455   5.9   29.6   5.0
Apr 29d  18:00  30d 03:00   0    -     -    -      -     -
Apr 30d  18:00   1d 03:00   4   43   200  14.8   36.7   5.6

May  1d  18:00   2d 03:00  13  101   630  11.1   34.6   3.4
May  2d  18:00   3d 03:00   4   31   160  12.0   55.2   9.9
May  3d  18:00   4d 03:00  26  151  1265   7.3   82.6   6.7
May  4d  18:00   5d 03:00   8   76   305  14.9   62.9   7.2
May  5d  18:00   6d 03:00   6   70   300  17.3   92.5  11.1

Observing data : 72
Total meteors (EAQ) : 533
Total Observing Time : 3,515min. (=58.583hr.)

Observers (19members) :
Kazuaki SIOTANI, Sadao OKAMOTO, Hiroyuki KATO,
Takema HASHIMOTO, Hidekatsu MIZOGUCHI, Kaori HAGA,
Kazuhiro OSADA, Yasuhiro TONOMURA, Yoshito TANAKA,
Shigeo UCHIYAMA, Yasuhiro TAKEDA, Kumiko TAKEDA,
Kazumi TERAKUBO, Kazuhiro SUMIE, Yukihisa MATSUMOTO,
Toru NISINO, Nozomi SOHMA, Minoru MURAKI, Yasuo YABU

with best wishes
Hiroshi Ogawa

----------------------------------
Hiroshi Ogawa (University of Tsukuba, JAPAN)
mailto: HZH02257@nifty.ne.jp
homepage: http://homepage2.nifty.com/~baron/
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