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(meteorobs) Geminids in Japan : visual observation results



Geminids 2000 prompt report
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<4.0mag, Cl>0.4, RP-h<10deg)
-  Err. : ZHR * 1/SQRT(#GEM)

Hourly ZHR
----------------------------------------------------------------
Time[UT]    SunL   Obs  T.eff  #GEM   ZHR   Err.  (HR)   Remarks
----------------------------------------------------------------
Dec. 2000
09d 12:30  257.742   1   0.83     4    37    18  (  5)
09d 13:30  257.785   1   1.00     6    24    10  (  6)
09d 14:30  257.827   1   1.00     8    23     8  (  8)
09d 15:30  257.869   2   1.83    15    41    10  (  8)
09d 16:30  257.912   0    -       -     -     -  (  -)
09d 17:30  257.954   0    -       -     -     -  (  -)
09d 18:30  257.996   0    -       -     -     -  (  -)
09d 19:30  258.038   0    -       -     -     -  (  -)
09d 20:30  258.081   1   1.00    19    40     9  ( 19)

10d 15:30  258.885   2   2.17    27    48     9  ( 12)
10d 16:30  258.927   2   1.67    24    51    10  ( 14)
10d 17:30  258.970   1   1.00    18    47    11  ( 18)
10d 18:30  259.012   1   1.00    17    49    12  ( 17)

11d 11:30  259.732   1   1.00     9    61    20  (  9)
11d 12:30  259.774   1   1.00    13    54    15  ( 13)
11d 13:30  259.816   1   1.00    15    56    15  ( 15)
11d 14:30  259.859   1   1.00    15    57    15  ( 15)
11d 15:30  259.901   2   2.00    24    66    13  ( 12)
11d 16:30  259.944   0    -       -     -     -  (  -)
11d 17:30  259.986   1   1.17    29    80    15  ( 25)
11d 18:30  260.028   2   2.17    49    88    13  ( 23)

12d 12:30  260.790   1   0.75     9    70    23  ( 12)
12d 13:30  260.833   1   1.00    22    89    19  ( 22)
12d 14:30  260.875   2   1.50    38    89    14  ( 25)
12d 15:30  260.918   4   4.00    86   105    11  ( 22)
12d 16:30  260.960   5   5.00   104   103    10  ( 21)
12d 17:30  261.002   7   6.25   113   112    10  ( 18)
12d 18:30  261.045   5   4.50    91   129    14  ( 20)
12d 19:30  261.087   4   4.00    61   135    17  ( 15)
12d 20:30  261.129   2   1.58    50   222    31  ( 32)

13d 10:30  261.722   1   0.83    17   343    83  ( 20)
13d 11:30  261.765   2   1.83    42   251    39  ( 23)
13d 12:30  261.807   3   2.58    50   316    45  ( 19)
13d 13:30  261.849   4   3.42    59   232    30  ( 17)
13d 14:30  261.892   2   1.92    33   206    36  ( 17)
13d 15:30  261.934   2   1.07    19   196    45  ( 18)
13d 16:30  261.976   1   0.67    12   204    59  ( 18)
13d 17:30  262.019   1   0.50     5   113    51  ( 10)

14d 12:30  262.824   2   1.83    47   134    20  ( 26)
14d 13:30  262.866   3   3.00    64    80    10  ( 21)
14d 14:30  262.909   4   4.00    74    72     8  ( 19)
14d 15:30  262.951   4   3.83    79    77     9  ( 21)
14d 16:30  262.993   4   4.00    69    59     7  ( 17)
14d 17:30  263.036   2   1.50    25    41     8  ( 17)
14d 18:30  263.078   1   1.00    21    60    13  ( 21)
14d 19:30  263.120   1   1.00    13    37    10  ( 13)
14d 20:30  263.163   1   0.83     7    24    10  (  7)
----------------------------------------------------------------

Observers (13members) : 
Takema HASHIMOTO, Ypshihiro HIGA, Hiroyuki KATO, Hiroyuki KODAMA, 
Karimu KURAGAKI, Katsuhiko MAMETA, Minoru MURAKI, Kazuhiro OSADA, 
Yasuo SHIBA, Kazuhiro SUMIE, Shigeo UCHIYAMA, Masayuki YAMAMOTO, 
Katsuhiro YOSHIZAKI 

Total observations          :  4,994 min. (= 77.95h)
Total number of LEO meteors :  1,501

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/gem0001.gif

-----------------------------------------------------------------------
Masaaki Takanashi  (The Nippon Meteor Society / Gotemba city, JAPAN)
                                   E-Mail : takanashi@nms.gr.jp
The Nippon Meteor Society's Web page : http://www.nms.gr.jp/en/
 (New URL! Please change your bookmark and linkspot in your Web site.)
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