Leonids newsflash


Leonids activity has already started ?!


Leonids activity become clearly increasing.


Leonids fireball appeared on November 9.


Annual shower peak which was about ZHR=150 observed in Japan, but Outburst peak which was about ZHR=500 observed in Western Asia and Europe.


Late in November, Leonids has not been end yet.


At the end of November, Leonids activity has almost finished, has't it?


Early in December, Leonids activity has finished.

  Abe Shinsuke      : ABESH
  Fukuda Nobuyuki   : FUKNO
  Fukui Keiichi     : FUKKE
  Hashimoto Takema  : HASTA
  Ito Daiyu         : ITODA
  Izumi Kiyosi      : IZUKI
  Kawabata Kenya    : KAWKE
  Kobayashi Wakaba  : KOBWA
  Kuragaki Karimu   : KURKA
  Maeda Koji        : MAEKO
  Naruke Tatsunori  : NARTA
  Numazawa Shigemi  : NUMSH
  Osada Kazuhiro    : OSAKA
  Sakaguchi Mitsue  : SAKMI
  Sekiguchi Takashi : SEKTA
  Toda Masayuki     : TODMA
  Tonomura Yasuhiro : TONYA
  Yamamoto Masayuki : YAMMA
  Yamanami Yoko     : YAMYO
  Yanagi shinichiro : YANSH

Observation Period :
  October 24 - November 

Observation site:
  ABESH : Nobeyama, Nagano                          E:138.5 deg , N:35.9 deg
  FUKKE : Tsukuba, Tsukuba, Ibaraki, Japan          E:140.1 deg , N:36.2 deg
        : Hakone, Kanagawa, Japan                   E:139.1 deg , N:36.2 deg
        : Kamisawa, Taiyo, Ibaraki, Japan           E:140.6 deg , N:36.1 deg
  FUKNO : Mt.Fuji, Gotenba, Shizuoka, Japan         E:138.8 deg , N:35.3 deg
  ITODA : Miwa, Ibaraki, Japan
  IZUKI : Kuresaka-Toge, Gunma, Japan
          Shibukawa, Gunma, Japan                   E:139.0 deg , N:36.5 deg
          Takayama, Gunma, Japan                    E:139.0 deg , N:36.6 deg
  HASTA : Hachioji, Tokyo, Japan                    E:139.4 deg , N:35.6 deg
  KAWKE : Tsuzuki, Yokohama, Kanagawa, Japan
  KOBWA : Mt.Fuji, Gotenba, Shizuoka, Japan         E:138.8 deg , N:35.3 deg
  KURKA : Mt.Fuji, Gotenba, Shizuoka, Japan         E:138.8 deg , N:35.3 deg
  MAEKO : Kiyotake, Miyazaki, Miyazaki, Japan
  NARTA : Higashi, Kunigami, Okinawa, Japan
  OSAKA : Asahi, Nagano, Japan                      E:137.8 deg , N:36.1 deg
          Oyama, Shizuoka, Japan                    E:139.0 deg , N:35.3 deg
          Gotenba, Shizuoka, Japan                  E:139.0 deg , N:35.3 deg
  TODMA : Ohizumi, Yamanashi, Japan                 E:138.9 deg , N:35.4 deg
  TONYA : Megawa, Miyagi, Japan
  SAKMI : Higashi-Hiroshima, Hiroshima, Japan       E:132.6 deg , N:34.5 deg
  SEKTA : Kawagoe, Saitama, Japan
  YAMMA : Yamamoto, Watari, Miyagi, Japan           E:140.9 deg , N:37.9 deg
  YAMYO : Mt.Fuji, Gotenba, Shizuoka, Japan         E:138.8 deg , N:35.3 deg
        : Mikuni-Toge, Yamanaka, Yamanashi, Japan
  YANSH : Asahi, Nagano, Japan                      E:137.8 deg , N:36.1 deg

Observation method:
  visual , plotting / counting

Observational Data:
  DATE    UT     DATE   JST    TIME aM Spo Leo Lm CL Dir Obs.  Meth.
  ---------------------------------------------------------------------
  Oct/1998
  24 14:10-15:00 24 23:10-00:00 50  46  34  0  6.3 0 Aur YASHI V(C)
  24 17:50-19:00 25 02:50-04:00 70 120  58  2  6.8 0  Z  OSAKA V(C)
  24 18:10-19:00 25 03:10-04:00 50  52  33  2  6.3 0 Aur YASHI V(C)
  24 19:00-19:30 25 04:00-04:30 30   7   4  1  6.2 0  Z  TODMA V(C)
  24 19:00-19:50 25 04:00-04:50 50  53  38  0  6.0 0 Aur SHIYA V(C)
  25 18:00-19:00 26 03:00-04:00 60  54  24  1  6.0 1  Z  OSAKA V(C)
  30 18:00-19:00 31 03:00-04:00 60  39  22  3  6.0 1  Z  OSAKA V(C)
  31 18:00-19:00 01 03:00-04:00 60  38  23  4  6.0 1  Z  OSAKA V(C)
  Nov/1998
  03 19:00-20:00 04 04:00-05:00 60  23  11  5  5.3 1  Z  OSAKA V(C)
  07 15:00-15:40 08 00:00-00:40 40  11   5  1  5.5 3 Tau SAKMI V(P)
  07 18:00-19:00 08 03:00-04:00 60  28  12  8  5.5 1  Z  OSAKA V(C)
  08 18:00-19:00 09 03:00-04:00 60  29  12  9  5.5 0  Z  OSAKA V(C)
  09 14:50-16:00 10 23:50-01:00 70  35  22  0  5.8 0 Tau SAKMI V(P)
  09 16:00-17:00 10 01:00-02:00 60  30  21  0  5.6 0 Tau SAKMI V(P)
  09 17:40-18:40 10 02:40-03:40 60  33  16  8  5.7 1  Z  OSAKA V(P)
  09 18:20-19:00 10 03:20-04:00 40  19  12  0  5.8 0 Lyn SEKTA TV  [28mmF1.8+R60filter 24*30]
  09 18:40-19:40 10 03:40-04:40 60  42  19 11  5.7 0  Z  OSAKA V(P)
  09 18:40-19:40 10 03:40-04:40 60  24  14  4  4.5 0 Gem SEKTA V(P)
  09 19:00-19:40 10 04:00-04:40 40  13  10  1  5.8 0 Lyn SEKTA TV  [28mmF1.8+R60filter 24*30]
  09 19:00-20:00 10 04:00-05:00 60   8   5  2  4.5 0  Z  TODMA V(C)
  10 18:30-19:45 11 03:30-04:45 75  37  19  9  5.5 2  Z  OSAKA V(P)
  10 19:15-20:20 11 04:15-05:20 65   5   3  2  4.5 1 Leo IZUKI V(C)
  11 16:00-17:00 12 01:00-02:00 60  22  10  1  6.1 0 Tau SAKMI V(P)
  11 19:00-20:10 12 04:00-05:10 70  41  21 12  5.7 0  Z  OSAKA V(P)
  11 19:15-20:30 12 04:15-05:30 75   4   1  1  4.5 0 Leo IZUKI V(C)
  12 14:10-15:10 12 23:10-00:10 60  25  17  0  6.4 0 Tau SAKMI V(P)
  12 15:30-16:00 13 00:30 01:00 30   7   4  2  6.2 0 Gem TONYA V(P)
  12 16:00-17:00 13 01:00 02:00 60   6   4  0  5.7 0 Gem TONYA V(P)
  12 17:00-18:00 13 02:00 03:00 60   6   2  2  5.7 0 Gem TONYA V(P)
  12 17:30-18:00 13 02:30-03:00 30   8   7  0  5.5 0  Z  TODMA V(C)
  12 17:30-18:30 13 02:30-03:30 60  46  21 13  5.7 1  Z  OSAKA V(C)
  12 18:00-19:00 13 03:00-04:00 60  20  10  6  5.2 0  Z  TODMA V(C)
  12 18:00-19:00 13 03:00-04:00 60  11   5  5  5.0 0  Z  FUKKE V(C)
  13 18:35-19:20 14 03:35-04:20 45  13   6  2  6.1 0 Gem YAMMA V(C)
  12 19:00-20:00 13 04:00-05:00 60  18  10  5  4.9 0  Z  TODMA V(C)
  12 19:23-20:23 13 04:23-05:23 60  12   5  3  5.7 0 Leo IZUKI V(C)
  12 19:24-19:48 13 04:24-04:48 24   4   1  2  5.0 5  Z  FUKKE V(C)
  13 15:15-16:00 14 00:15-01:00 45  20  17  0  6.5 0 Tau SAKMI V(P)
  13 15:05-16:00 14 00:05-01:00 55   6   5  1  6.2 0 Gem TONYA V(C)
  13 16:00-17:00 14 01:00-02:00 60  11   7  3  5.8 0 Gem TONYA V(C)
  13 16:00-17:00 14 01:00-02:00 60  26  19  0  6.5 0 Tau SAKMI V(P)
  13 17:00-18:00 14 02:00-03:00 60   1   0  1  9.5 0 Leo TONYA TEL(C)
  13 17:00-18:00 14 02:00-03:00 60  50  24 17  6.2 0  Z  OSAKA V(C)
  13 18:00-19:00 14 03:00-04:00 60   6   2  1  5.0 1  Z  FUKKE V(C)
  13 19:00-20:00 14 04:00-05:00 60  14   4  5  4.8 1 Leo HASTA V(C)
  13 19:00-20:00 14 04:00-05:00 60  45  23 14  6.0 0  Z  OSAKA V(C)
  13 19:00-20:00 14 04:00-05:00 60   9   3  4  5.0 0  Z  FUKKE V(C)
  13 19:50-20:27 14 04:50-05:27 37   2   1  1  4.5 0 Leo IZUKI V(C)
  14 16:00-16:50 15 01:00-01:50 50   9   3  3  6.1 0  Z  FUKNO V(C)
  14 17:00-18:00 15 02:00-02:50 50  15   8  2  5.0 1  Z  YAMYO V(C)
  14 17:00-18:00 15 02:00-03:00 60  29  16  9  4.5 0 Aur SEKTA V(C)
  14 17:00-18:00 15 02:00-03:00 60  50  24 17  6.2 0  Z  OSAKA V(C)
  14 18:00-18:50 15 03:00-03:50 50  19   4  7  6.0 0  Z  FUKNO V(C)
  14 18:00-18:50 15 03:00-03:50 50  20  10  6  5.0 1  Z  YAMYO V(C)
  14 18:00-19:00 15 03:00-04:00 60  29  15  9  4.5 0 Gem SEKTA V(C)
  14 18:05-19:00 15 03:05-04:00 55   6   3  1  5.2 2 Gem FUKKE V(C)
  14 18:50-20:05 15 03:50-05:05 75  15   8  6  6.1 0 Leo IZUKI V(C)
  14 19:00-19:30 15 04:00-04:30 30  15   7  8  4.5 0 Gem SEKTA V(C)
  14 19:00-19:50 15 04:00-04:50 50  14   5  8  6.0 0  Z  FUKNO V(C)
  14 19:00-20:00 15 04:00-05:00 60   8   5  2  5.2 2 Gem FUKKE V(C)
  15 16:00-16:50 16 01:00-01:50 50  15   7  4  6.1 0  Z  KOBWA V(C)
  15 16:00-17:00 16 01:00-02:00 60  15   6  3  6.1 0 Gem KURKA V(C)
  15 17:00-17:50 16 02:00-02:50 50   9   3  0  6.1 0 Gem KURKA V(C)
  15 17:10-18:00 16 02:10-03:00 50   7   3  1  5.8 0  Z  KOBWA V(C)
  15 17:20-17:50 16 02:20-02:50 30   9   1  6  5.6 0  Z  ITODA V(C)
  15 18:00-19:00 16 03:00-04:00 60  17   6  7  5.8 0  Z  KOBWA V(C)
  15 18:00-19:00 16 03:00-04:00 60  59  24 24  6.0 0  Z  OSAKA V(C)
  15 18:00-19:00 16 03:00-04:00 60   7   1  4  5.0 0  Z  FUKKE V(C)
  15 18:03-19:00 16 03:03-04:00 55  11   3  5  5.6 0  Z  ITODA V(C)
  15 18:57-20:00 16 03:57-05:00 63   5   1  3  5.0 0 Leo IZUKI V(C)
  15 19:00-19:50 16 04:00-04:50 50   9   3  6  5.5 0  Z  ITODA V(C)
  15 19:00-20:00 16 04:00-05:00 60   7   1  5  5.0 0  Z  FUKKE V(C)
  15 19:00-20:00 16 04:00-04:30 30   5   2  2  5.7 0  Z  KOBWA V(C)
  15 20:00-20:25 16 05:00-05:25 25   4   2  2  4.5 0  Z  FUKKE V(C)
  16 19:00-20:00 17 04:00-04:55 55  52   6 46  6.2 3 Leo NARTA V(C) =====
  16 19:15-20:15 17 04:15-05:15 60  92  36 49  6.0 2  Z  OSAKA V(C)   |
  16 19:15-20:31 17 04:15-04:31 16  23   3 20  5.7 0 Cnc MAEKO V(C)   | Very important data
  16 19:17-20:20 17 04:17-05:20 63  19   2 17  4.0 5 Leo IZUKI V(C)   |
  16 19:20-20:00 17 04:20-05:00 40  24   2 22  4.5 2 Leo KAWKE V(C)   |
  16 19:30-20:00 17 04:30-05:00 30  36  23 13  4.7 0 Gem SEKTA V(C)   |
  16 19:00-20:00 17 04:00-05:00 60   ?   ? 72  6.0 3 E   ABESH V(C) =====
  Details of maximum activity was reported by NMS home page  <== CLICK HERE
  18 15:00-16:00 19 00:00-01:00 60  28  12  7  5.6 0 Tau HASTA V(C)
  18 15:20-16:00 19 00:20-01:00 40  17   6  1  6.0 0  Z  KURKA V(C)
  18 16:00-16:50 19 01:00-01:50 50  13   8  3  5.9 0  Z  KURKA V(C)
  18 16:00-17:00 19 01:00-02:00 60  23  15  6  5.6 0 Aur HASTA V(C)
  18 16:00-17:00 19 01:00-02:00 60  17  10  2  6.1 0  Z  KOBWA V(C)
  18 17:00-18:00 19 02:00-03:00 60  35  12 16  5.4 0 Gem HASTA V(C)
  18 17:00-17:40 19 02:00-02:40 40  16   6  9  5.9 0  Z  KOBWA V(C)
  18 17:00-17:40 19 02:00-02:40 40  19  11  7  5.9 1  Z  YAMYO V(C)
  18 17:02-17:58 19 02:02-02:58 56  25   3 17  5.9 0  Z  ITODA V(C)
  18 17:25-18:00 19 02:25-03:00 35  10   5  3  5.3 0  Z  FUKKE V(C)
  18 18:00-19:00 19 03:00-04:00 60  26   6 16  5.4 1 Leo HASTA V(C)
  18 18:00-19:00 19 03:00-04:00 48   8   0  8  5.3 0  Z  FUKKE V(C)
  18 18:02-18:58 19 03:02-03:58 56  33   7 24  5.8 0  Z  ITODA V(C)
  18 19:00-20:00 19 04:00-05:00 60  77  37 29  6.2 1  Z  OSAKA V(C)
  19 19:00-20:00 20 04:00-05:00 60  52  28 16  6.0 0  Z  OSAKA V(C)
  18 19:00-20:10 19 04:00-05:10 70  19   4 15  5.3 0  Z  FUKKE V(C)
  18 19:01-19:31 19 04:01-04:31 30  18   4 13  5.8 0  Z  ITODA V(C)
  18 19:03-19:55 19 04:03-04:55 52  19   7 11  5.0 0 Leo IZUKI V(C)
  19 14:50-16:05 20 23:50-01:05 75  32  25  0  7.0 0 Tau SAKMI V(P)
  19 17:00-17:50 20 02:00-02:50 50  20   8  8  6.0 0 Gem KOBWA V(C)
  19 18:00-18:50 20 03:00-03:50 50  13   7  5  6.1 0 Cnc KURKA V(C)
  19 18:00-19:00 20 03:00-04:00 60  19   8  7  6.1 0 Cnc KOBWA V(C)
  19 19:00-20:00 20 04:00-05:00 60  32  13 12  6.0 0 Cnc KOBWA V(C)
  19 19:00-20:00 20 04:00-05:00 60  35  15 15  5.9 0 Cnc KURKA V(C)
  20 14:30-15:30 21 23:30-00:30 60   7   2  1  5.0 0 Tau HASTA V(P)
  20 15:30-16:00 21 00:30-01:00 30  13  12  0  6.8 2 Tau SAKMI V(P)
  20 16:00-17:00 21 01:00-02:00 60  19  17  1  6.8 3 Tau SAKMI V(P)
  20 19:00-20:00 21 04:00-05:00 60  51  28 15  6.1 0  Z  OSAKA V(C)
  20 19:20-20:20 21 04:20-05:20 60   4   2  1  5.5 0 Leo IZUKI V(C)
  21 17:00-18:00 22 02:00-03:00 60  36  19  7  5.8 0  Z  OSAKA V(P)
  21 17:10-18:30 22 02:10-03:30 80  13   6@2  6.1 5 Gem SATKO V(P)
  21 18:00-19:00 22 03:00-04:00 60  43  20  9  5.8 1  Z  OSAKA V(P)
  21 19:50-20:30 22 04:50-05:30 40   9   5  3  5.1 2  Z  KOBWA V(C)
  21 19:50-20:30 22 04:50-05:30 40  10   8  1  5.1 2  Z  KURKA V(C)
  22 15:20-16:00 23 00:20-01:00 40  15  11  0  6.7 0 Tau SAKMI V(P)
  22 16:00-16:30 23 01:00-01:30 30  12  10  0  6.7 1 Tau SAKMI V(P)
  22 18:00-19:00 23 03:00-04:00 60  40  26  7  6.0 1  Z  OSAKA V(C)
  23 14:30-15:30 24 23:30-00:30 60   7   4  0  5.0 0 Tau HASTA V(P)
  23 15:00-16:00 24 00:00-01:00 60  24  16  1  6.4 0 Tau SAKMI V(P)
  23 15:30-16:30 24 00:30-01:30 60  10   4  2  5.0 0 Tau HASTA V(P)
  23 16:00-16:30 24 01:00-01:30 30  11  10  0  6.8 0 Tau SAKMI V(P)
  23 16:00-17:00 24 01:00-02:00 60  12   7  3  5.7 0  Z  KOBWA V(C)
  23 16:00-17:00 24 01:00-02:00 60  10   3  4  5.7 0  Z  KURKA V(C)
  23 17:00-17:25 24 02:00-02:25 25   2   1  1  6.0 1  Z  KOBWA V(C)
  23 18:00-19:00 24 03:00-04:00 60  38  27  6  6.2 0  Z  OSAKA V(C)
  24 15:00-16:00 25 00:00-01:00 60  30  21  0  7.0 0 Tau SAKMI V(P)
  24 16:50-17:50 25 01:50-02:50 60   9   8  0  5.9 0 Gem SATKO V(P)
  24 17:50-18:50 25 02:50-03:50 60  16  13  0  5.9 1 Gem SATKO V(P)
  24 19:00-20:15 25 04:00-05:15 75  37  24  7  5.8 0  Z  OSAKA V(P)
  24 19:37-20:32 25 04:37-05:32 55   4   2  1  5.5 0 Leo IZUKI V(C)
  25 19:00-20:15 26 04:00-05:15 75  30  20  6  5.7 2  Z  OSAKA V(C)
  26 14:30-15:30 27 23:30-00:30 60   8   5  0  4.5 0 Tau HASTA V(P)
  26 15:30-16:30 27 00:30-01:30 60   6   5  0  4.6 0 Tau HASTA V(P)
  26 19:00-20:15 27 04:00-05:15 75  33  25  5  6.0 0  Z  OSAKA V(C)
  26 19:20-20:27 27 04:20-05:27 67   7   3  1  5.0 0 Leo IZUKI V(C)
  27 19:30-20:30 28 04:30-05:30 60  31  22  5  5.7 2  Z  OSAKA V(C)
  29 19:00-20:20 30 04:00-05:20 80  35  29  4  6.0 1  Z  OSAKA V(C)
  30 19:15-20:30 01 04:15-05:30 75  35  30  3  6.2 1  Z  OSAKA V(P)
  Dec/1998
  05 13:00-14:00 05 22:00-23:00 60   9   8  0  5.2 2  Z  OSAKA V(P)

  TIME    : Observed time interval
  Total   : Total number of meteors
  Spo     : Sporadic meteors
  Leo     : Leonids
  Lm      : Limiting magnitude of field stars
  CL      : Cloud cover
  Dir     : Observation direction(Z : Zenith)

Radiant point:
No.YMD(UT)         CONST    R.A   DEC   N   d  Wt  Vel   Mag   HR  Obs.  Meth  Remarks
--------------------------------------------------------------------------------------
1. 1998/11/09.78 Gamma-Leo 153   +23    5   2   1  rR-vR 3.0   2.5 OSAKA V
2. 1998/11/17.69 Gamma-Leo 152.8 +21.4  6   1   5  S      -     -  NUMSH TV    Appeared near the RP meteors
3. 1998/11/24.82 Gamma-Leo 161   +21    4   2   1  R-vR  3.0   3.2 OSAKA V
4. 1998/11/26.82 Gamma-Leo 165   +20    4   2   1  R-vR  3.0   3.2 OSAKA V     detected for memos during counting
5. 1998/11/29.82 Gamma-Leo 167   +22    4   4   1  rR-R  4.3   3.0 OSAKA V
6. 1998/11/30.83 Gamma-Leo 169   +20    3   1   P  rR-vR 2.7   2.4 OSAKA V

  N      : Number of meteors
  d      : Diameter of R.P.
  Wt     : Weight(P,1-5  P : poor)
  Mag    : Mean Magnitude
  Vel    : Velosity(vS S rS M rR R vR)
                   <-Slow      Rapid->
Method : V:Visual T:Telescopic, P:Plotting C:Counting

Fireball
1998.11.09  20h25m26s}5s(UT)  -5Mag  Hya->Pup  Col=BW,Tr(1min):OSAKA
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