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(meteorobs) Geminids in Japan : visual observation r
Leonids 1999
Visual results in Japan (The Nippon Meteor Society).
ZHR has been computed with:
- gamma = 1.0 (correction of Radiant elevation)
- r = 2.6 ("IMO Handbook for Visual Observers" P.262)
- excluding:observations under unfavourable condition
(T<30m, Lm<4.5mag, Cl>0.4, RP-h<10deg)
- Err. : ZHR * 1/SQRT(#Leo)
---------------------------------------------------------
Time[UT] #Obs T.eff #Gem ZHR(Gem) Err. Remarks
---------------------------------------------------------
Dec.11, 1999
11:30 2 2.00 10 38 12
12:30 2 2.00 14 29 8
13:30 1 1.00 1 3 3
14:30 5 4.00 38 23 4
15:30 10 8.83 61 14 2
16:30 6 5.13 59 27 4
17:30 7 6.17 92 34 4
18:30 3 2.92 71 60 7
19:30 3 2.92 50 53 8
20:20 3 1.83 35 72 12
Dec.12, 1999
12:30 2 1.93 24 55 11
13:30 4 3.75 75 45 5
14:30 3 3.00 88 44 5
15:30 13 3.00 77 33 4
16:30 2 2.00 77 47 5
17:30 2 2.00 69 48 6
18:30 1 0.50 17 49 12
19:20 1 1.12 12 29 8
Dec.13, 19999
12:30 2 1.65 24 68 14
13:30 4 3.43 72 94 11
14:30 5 4.92 209 97 7
15:30 6 5.17 301 105 6
16:30 8 6.33 312 93 5
17:30 7 6.00 349 92 5
18:30 3 3.00 225 154 10
19:30 3 2.33 145 165 14
20:20 2 1.83 123 159 14
Dec.14, 1999
11:30 1 1.00 26 372 73
12:30 2 1.52 41 377 59
13:30 3 2.78 132 240 21
14:30 7 6.10 357 192 10
15:30 6 5.42 413 158 8
16:30 2 2.00 213 114 8
17:30 5 3.92 288 94 6
18:30 4 2.92 224 137 9
19:30 4 3.67 287 226 13
20:30 2 1.67 111 150 14
Dec.15, 1999
10:30 1 1.00 13 188 52
11:30 1 1.00 25 132 26
12:30 2 2.17 36 59 10
13:30 2 1.50 56 189 25
14:30 2 2.00 71 48 6
15:30 3 3.00 95 36 4
16:30 3 3.00 80 29 3
17:30 3 3.00 55 30 4
18:30 3 3.00 51 37 5
19:30 1 1.00 6 10 4
---------------------------------------------------------
Observers (28members) :
Seiji AKAGI, Takema HASHIMOTO, Isamu HATSUKADE, Daiyu ITO, Kiyoshi IZUMI,
Isamu KISANUKI, Hiroyuki KODAMA, Katsuhiko MAMETA, Yukihisa MATSUMOTO,
Hiromi MITAMURA, Minoru MURAKI, Kiyohide NAKAMURA, Kazuhisa NISHIKASHI,
Hiroshi OGAWA, Kazuhiro OSADA, Mitsue SAKAGUCHI, Koetsu SATO,
Kazuhiro SUMIE, Kazumi TERAKUBO, Takuo TORIGOE, Yasuko TOYA,
Shigeo UCHIYAMA, Sachiko YAMAGUCHI, Takehisa YAMAKITA, Masayuki YAMAMOTO,
Takako YAMAMOTO, Yoko YAMANAMI, Satomi YOKOCHI
Total observations (Dec.11-15) : 8,425 minutes (=140.42h)
Total number of Geminids meteors (Dec.11-15) : 5,210
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/gem9901.gif
-----------------------------------------------------------------------
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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