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(meteorobs) Lyrids in Japan : visual observation results
Lyrids 2001 prompt report
Visual result in Japan (The Nippon Meteor Society).
ZHR has been computed with:
- gamma = 1.0 (correction of Radiant elevation)
- r = 2.9 (Equal "IMO Shower Circular,Lyrids 2001")
- excluding:observations under unfavourable condition
(T<30m, Lm<4.5mag, Cl>0.4, RP-h<10deg)
- Err. : ZHR * 1/SQRT(#LYR)
----------------------------------------------------------------
Time[UT] SunL Obs T.eff #QUA ZHR Err. (HR) Remarks
----------------------------------------------------------------
Apr. 2001
13d 14:00 23.691 2 1.83 1 3 3 ( 1)
14d 18:00 24.834 2 1.83 0 0 - ( 0)
15d 15:00 25.690 6 5.83 4 2 1 ( 1)
16d 14:30 26.648 3 3.25 5 4 2 ( 2)
17d 16:30 27.708 1 1.00 0 0 - ( 0)
18d 15:00 0 - - - - ( -)
19d 16:30 29.663 9 9.00 20 7 2 ( 2)
20d 12:30 30.476 1 1.17 2 16 12 ( 2)
20d 13:30 30.517 1 1.00 3 25 14 ( 3)
20d 14:30 30.558 0 - - - - ( -)
20d 15:30 30.599 1 0.83 5 42 19 ( 6)
20d 16:30 30.640 0 - - - - ( -)
20d 17:30 30.680 1 1.00 6 19 8 ( 6)
20d 18:30 30.721 1 0.67 4 33 16 ( 6)
21d 16:30 31.615 1 0.92 8 17 6 ( 9)
21d 17:30 31.656 2 1.75 17 23 6 ( 10)
21d 18:30 31.697 3 2.75 28 19 4 ( 10)
22d 12:30 32.429 1 1.00 5 17 8 ( 5)
22d 13:30 32.469 4 3.00 22 19 4 ( 7)
22d 14:30 32.510 7 6.00 51 22 3 ( 9)
22d 15:30 32.550 5 4.83 45 20 3 ( 9)
22d 16:30 32.591 4 3.83 37 13 2 ( 10)
22d 17:30 32.632 7 6.75 64 19 2 ( 10)
22d 18:30 32.672 7 7.20 84 26 3 ( 12)
23d 14:30 33.485 1 0.50 1 26 26 ( 2)
23d 15:30 33.526 0 - - - - ( -)
23d 16:30 33.666 0 - - - - ( -)
23d 17:30 33.607 1 1.00 5 9 4 ( 5)
23d 18:30 33.647 1 1.00 7 13 5 ( 7)
24d 13:30 34.419 1 1.00 0 0 - ( 0)
----------------------------------------------------------------
Observers (15members):
Seiji AKAGI, Ken-ichi FUSHIMI, Takema HASHIMOTO, Yoshihiro HIGA,
Hiroyuki KATO, Katsuhiko MAMETA, Minoru MURAKI, Kazuhiro OSADA,
Koetsu SATO, Mikiya SATO, Tomoko SATO, Kazuhiro SUMIE,
Shoichi TANAKA, Kazumi TERAKUBO, Shigeo UCHIYAMA
Total observations : 4,137 min. (= 68.95h)
Total number of QUA meteors : 424
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/lyr0101.gif
http://www.nms.gr.jp/lyr0102.gif
*==-- *==-- *==-- *==-- *==-- *==-- *==--
Masaaki TAKANASHI (Gotemba-City,JAPAN)
e-mail:takanashi@nms.gr.jp
--==* --==* --==* --==* --==* --==* --==*
The Nippon Meteor Socitey (NMS)
http://www.nms.gr.jp/en/
*==-- *==-- *==-- *==-- *==-- *==-- *==--
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