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For immediate release.


Object: forward scatter meteor observation report - Leonids 2001


Observer: Valter Gennaro

1 Latitude:      N  46 16'

Longitude:   E   13 05'

Altitude:         m above m.s.l. 185

Town: Osoppo (UD)

Country: Italy

Receiver: ICOM-7100  USB mode

Antenna:  5 el. Yagi

2 Observed frequency: 55.24870 MHz    from Liege Bol

5000 sample/sec  SoundBlaster  16 bit mono


During the past 17th  and 18th  November 2001, the forward scatter meteor

equipment of FENICS group has been operated to monitor the Leonid meteor

shower. In 24 hours of continuous observation, from 14:00 UT 17th November

to 14:00 UT 18th November, two main peaks were recorded. The first

between 01:00UT and 03:30UT of 18th November, the second one between

07:30UT and 12:30UT of the same day. Peaks are defined as continuous

periods reporting more than 50 echoes/hour.

The maximum meteor echoes rate was observed at  10:00UT of 18th November

with 80 echoes/hour. The average value  of the whole observing period is

39 echoes/hour.




|UT|<= 0,4 |>       |>       |> 1,5-3,0|> 3,0-10,0|> 10,0 |N     |
|  |sec    |0,4-0,8 |0,8-1,5 |<=sec    |<=sec     |sec    |EVENTS |
|  |       |<=sec   |<=sec   |         |          |       |       |
|14|0      |0       |2       |7        |7         |0      |16     |
|15|0      |0       |3       |14       |10        |4      |31     |
|16|0      |0       |4       |10       |0         |1      |15     |
|17|0      |0       |1       |6        |5         |2      |14     |
|18|0      |0       |7       |5        |6         |2      |20     |
|19|0      |0       |6       |6        |10        |4      |26     |
|20|0      |1       |3       |8        |3         |2      |17     |
|21|0      |0       |8       |6        |4         |2      |20     |
|22|0      |0       |9       |9        |6         |0      |24     |
|23|0      |0       |4       |11       |14        |5      |34     |
|0 |0      |0       |12      |9        |9         |11     |41     |
|1 |0      |1       |7       |12       |19        |20     |59     |
|2 |0      |0       |3       |9        |10        |31     |53     |
|3 |0      |0       |11      |16       |16        |31     |74     |
|4 |0      |0       |3       |6        |2         |27     |38     |
|5 |0      |0       |1       |4        |4         |22     |31     |
|6 |0      |0       |0       |6        |5         |22     |33     |
|7 |0      |0       |2       |1        |11        |30     |44     |
|8 |0      |0       |0       |8        |21        |32     |61     |
|9 |0      |0       |8       |8        |27        |27     |70     |
|10|0      |0       |8       |7        |23        |42     |80     |
|11|0      |1       |16      |13       |22        |26     |78     |
|12|0      |0       |19      |14       |18        |16     |67     |
|13|0      |1       |8       |7        |7         |1      |24     |
|14|0      |0       |6       |7        |1         |0      |14     |
|15|0      |0       |1       |0        |0         |0      |1      |

Credits & Contacts :


Giorgio Bressan   gbressan@adriacom.it

Valter Gennaro    vgennar@mail.nauta.it

Go to Armagh Observatory Leonid Pages

Last Revised: 2001 December 3rd
WWW contact: webmaster@star.arm.ac.uk
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