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From:  "Hiroshi Ogawa"
Date:  Tue Aug 13, 2002  7:27 am
Subject:  Perseids 2002 in Japan - 5th announcement -




The Nippon Meteor Society (NMS)

---------------------------------------
Perseids 2002 in Japan -5th announcement-
(Visual Observation)
---------------------------------------

n : the number of data
PER : all meteors (Perseids)
Time:Total time (min.)
ZHR : r=2.0ˇ¤gamma=1.0
Err. = ZHR * (1/SQRT(PER))

excluding:observations under unfavorable condition
(Lm<4.5mag, Cl>0.4, RP-h<15deg, Time<30min.)


DATE JST n PER Time HR ZHR Err.
Jul 21d 03:00 4 6 240 1.5 2.9 1.2
Jul 22d 03:00 3 2 180 0.7 2.1 1.5
Jul 23d 03:00 0 - - - - -
Jul 24d 03:00 1 1 120 1.0 7.8 7.8
Jul 25d 03:00 1 2 60 2.0 12.7 9.0

Jul 26d 03:00 1 0 60 0.0 0.0 -
Jul 27d 03:00 4 15 240 3.8 10.2 2.6
Jul 28d 03:00 4 17 240 4.3 15.7 3.8
Jul 29d 03:00 0 - - - - -
Jul 30d 03:00 0 - - - - -

Jul 31d 03:00 5 5 255 1.3 11.1 5.0

Aug 01d 03:00 2 7 120 3.5 16.5 6.2
Aug 02d 03:00 1 3 60 3.0 13.8 8.0
Aug 03d 03:00 1 4 60 4.0 22.8 11.4
Aug 04d 03:00 1 12 60 12.0 36.2 10.5
Aug 05d 03:00 0 - - - - -

Aug 06d 03:00 3 23 183 7.6 20.7 4.3
Aug 07d 03:00 7 54 375 8.9 20.7 2.8
Aug 08d 03:00 7 86 410 12.7 22.8 2.5
Aug 09d 03:00 15 118 730 10.0 30.8 2.8
Aug 10d 03:00 6 49 320 10.2 43.6 6.2

Aug 11d 03:00 36 434 1960 14.2 47.6 2.3
Aug 12d 03:00 10 148 455 20.3 81.7 6.7
Aug 13d 03:00 30 1141 1400 47.4 148.1 4.4




DATE JST n PER Time HR ZHR Err.
Aug. 09d 23:30 1 5 60 5.0 35.7 16.0
Aug. 10d 00:30 2 7 120 3.5 23.2 8.8
Aug. 10d 01:30 2 29 110 16.6 57.3 10.6
Aug. 10d 02:30 1 8 30 16.0 64.8 22.9

Aug. 10d 22:30 1 2 46 2.6 16.8 11.9
Aug. 10d 23:30 10 76 543 8.4 40.6 4.7
Aug. 11d 00:30 8 95 501 11.2 40.1 4.1
Aug. 11d 01:30 9 97 483 12.8 40.3 4.1
Aug. 11d 02:30 6 140 297 28.8 79.0 6.7
Aug. 11d 03:30 1 23 30 46.0 118.9 24.8

Aug. 11d 22:30 1 3 60 3.0 32.5 18.8
Aug. 11d 23:30 3 54 180 18.0 79.4 10.8
Aug. 12d 00:30 2 41 95 32.9 126.0 19.7
Aug. 12d 01:30 0 - - - - -
Aug. 12d 02:30 2 14 60 14.0 42.4 11.3
Aug. 12d 03:30 1 9 30 18.0 46.2 15.4

Aug. 12d 22:30 1 8 30 16.0 74.5 26.3
Aug. 13d 23:30 2 44 90 24.0 86.2 13.0
Aug. 13d 00:30 5 172 230 41.7 158.0 12.0
Aug. 13d 01:30 10 366 520 43.2 149.5 7.8
Aug. 13d 02:30 6 358 310 67.5 180.8 9.6
Aug. 13d 03:30 5 190 180 57.5 153.8 11.2
Aug. 13d 04:30 1 13 30 26.0 57.8 16.0


Total observation time : 7,528min. (=125.47h)
Total Perseids meteors : 2,127meteors


Observers(29members):

Shinobu AMIKURA, Mitsunori IWAMOTO, Shigeo UCHIYAMA,
Hiroshi OGAWA, Kazuhiro OSADA, Hiroyuki KATO,
Misaki KANETAKA, Atsuyoshi KAWAURA, Yasuhiro KAWASAKI,
Toru SAGAYAMA, Koetsu SATO, Mikiya SATO, Kazuhiro SUMIE,
Takashi SEKIGUCHI, Hirotaka SERIZAWA, Keiko TANAKA,
Shoichi TANAKA, Takema HASHIMOTO, Takashi HIGUCHI,
Ken-ichi FUSHIMI, Yukihisa MATSUMOTO, Hidekatsu MIZOGUCHI,
Yumi MITAMURA, Satomi YOKOCHI, Minoru MURAKI, Keiko MORINAGA,
Ysuo YABU, Katsuhiro YOSHIZAKI, Masaaki YOSHIMURA

(Although the observing condition was not good, I receive reports.
Observers are: Minoru SHIMIZU, Mitsuhiro FUJITA, Yoshiaki
FUJIYOSHI, Kayo MIYAO, Yoshiyuki HAMAGUCHI, Takuya MARUYAMA)


with best wishes
Hiroshi Ogawa



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