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(meteorobs) Eta-Aquarids in Japan : visual observation results
Eta-Aquarids 2001 prompt report
Visual result in Japan (The Nippon Meteor Society).
ZHR has been computed with:
- gamma = 1.0 (correction of Radiant elevation)
- r = 2.7 (IMO, "2001 Meteor Shower Calendar")
- excluding:observations under unfavourable condition
(T<30m, Lm<4.5mag, Cl>0.4, RP-h<10deg)
- Err. : ZHR * 1/SQRT(#ETA)
----------------------------------------------------------------
Time[UT] SunL Obs T.eff #ETA ZHR Err. (HR) Remarks
----------------------------------------------------------------
Apr.-May 2001
27d 18:00 37.522 6 5.83 15 17 4 ( 3)
28d 18:00 38.494 2 1.50 2 26 18 ( 1)
29d 18:00 39.466 0 - - - - ( -)
30d 18:00 40.437 3 3.00 28 28 5 ( 9)
01d 18:00 41.407 0 - - - - ( -)
02d 18:00 42.377 1 0.92 2 36 25 ( 2)
03d 18:00 43.347 6 4.50 38 40 6 ( 8)
04d 18:00 44.316 3 2.67 31 53 10 ( 12)
05d 18:00 45.286 1 1.00 11 123 37 ( 11)
06d 18:00 46.252 1 1.00 2 45 32 ( 2)
----------------------------------------------------------------
Observers ( 8members):
Seiji AKAGI, Takema HASHIMOTO, Hiroyuki KODAMA, Katsuhiko MAMETA,
Yukihisa MATSUMOTO, Minoru MURAKI, Kazuhiro OSADA, Kazuhiro SUMIE
Total observations : 1,225 min. (= 20.42h)
Total number of ETA meteors : 129
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/eta0101.gif
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Masaaki TAKANASHI (Gotemba-City,JAPAN)
e-mail:takanashi@nms.gr.jp
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The Nippon Meteor Socitey (NMS)
http://www.nms.gr.jp/en/
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