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(meteorobs) Leonids '99 From Jordan (follow-up)




Again, Moh'd, don't forget to use 'meteorobs@jovian.com' in place of the old
(BAD) 'meteorobs@latrade.com' address! Thanks,

Lew Gramer


------- Forwarded Message

Date: Fri, 19 Nov 1999 01:42:26 +0200
From: Mohammad Odeh <odeh@jas.org.jo>
Organization: JAS
To: imo-news@egroups.com, meteorobs@latrade.com, jasnews@onelist.com
Subject: [IMO-News] Leonids '99 From Jordan

Hello,

 Latest results and updated can be found now at http://
www.jas.org.jo/leo99.html For example:-


Wednesday - Thursday 17-18 November

During night number of meteors kept increasing by both; radio and visual
observations. After a very quick discussion with the scientists who were
observing from Jordan with JAS. We concluded that Jordan was one of the
best locations to observe the Leonids '99 from ! Where the preliminarily
results show that the peak occurred around 02 AM (04 AM), which is about
40 minutes before the beginning of dawn (so the radiant was high at the
peak). Also, the dawn didn't affect the observation because the activity
decreased before the beginning of dawn ! Most the participants estimated
the maximum ZHR (based on the preliminarily results) to be some how
between 7000 - 10 000 !!


* Total observed number of meteors was:

 Sana'a Abdo (JAS): 2100 meteors, during 4.0 hours effective time.
 Khalid Tell (JAS): 2375 meteors, during 3.6 hours effective time.
 Moh'd Odeh (JAS): 2916 meteors, during 4.3 hours effective time.
 Ahmad Baker (SCS): 3162 meteors, during about 5 hours effective time.


* ZHR, time of maximum, and rates.

 Mr. Robert McNaught, based on one-minute interval, estimated the ZHR
to be 7000 +/- 1000, and it occurred from Jordan at 02:04 +/- 2 minutes
(UT). At maximum, McNaught observed 60 meteors per minute.

 Several observers agreed that during the maximum, about 7 meteors
appeared simultaneously at once !!

 It was very hard to keep following and counting the unexpected large
number of meteors during the maximum, and so many observers stopped
recording, and just enjoyed the show !!

 Odeh observed 770 meteors from 02:00 - 02:14 UT !

 Overdense meteors were so frequently heard by radio observation,
before the time of the storm. Which was unfortunately stopped during the
storm, because of a failure in the generator.


Best Wishes
Moh'd
JAS

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