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(meteorobs) Fw: [IMO-News] Leonid Activity 2001 - Preliminary Results from thr First Peak
Forwarded from the International Meteor Organization......
Mark Davis
----- Original Message -----
From: "Vladimir Krumov" <vkru@yahoo.com>
Sent: Sunday, November 18, 2001 12:48 PM
Subject: [IMO-News] Leonid Activity 2001 - Preliminary Results from thr
First Peak
The Leonids this year seem to be accompanied by good weather almost
everywhere in the world. Although not enough some data from the firs
peak
have been already reported. It partially reveals what the American
observers
saw in their morning hours. I send it hoping that it might be of use to
their colleagues in Asia and Australia who expect the second part of the
event. As soon as available I will distribute more precise and
comprehensive
information covering all the peeks that will be observed.
In the following report observations of the following observers are
used:
Kim Youmans (USA, Albert Kong (USA), Valentin Velkov(Bulgaria), Joseph
Zammit (Malta), Martin Galea De Giovanni (Malta), Andreas Buchman
(Germany), Josep M. Trigo-Rodriguez (Spain), Camila Bacher (USA), Brian
Shulist (Canada), Ina Rendtel (Germany), Marion Rudolph (Germany),
Rafael Haag (Brazil), Umberto Mulè Stagno (Tunis), Michael Doyle (USA),
Ken Hodonsky (USA).
What appears from these observations is that the peak is a little bit
later
that the predicted time (09h55m UT - Predicted by David Asher and Rob
McNaught and 10h28m - Predicted by Esko Lyytinen, Markku Nissinen and
Tom van Flandern). However this preliminary data can not be too reliable
due to the small number of observers included. So any comments on the
activity
rates are quite hard to be made at this stage.
I wish you Clear Skies and lots of luck during the rest of this
fantastic
event!
Vladimir Krumov
Date Time (UT) SolLong NObs nINT nLeo ZHR +-
____________________________________________
18 NOV 0100 235.732 4 5 53 42 6
18 NOV 0230 235.795 5 9 266 68 4
18 NOV 0400 235.858 5 9 246 105 7
18 NOV 0500 235.900 6 11 184 134 10
18 NOV 0600 235.942 4 8 110 167 16
18 NOV 0700 235.984 3 7 63 173 22
18 NOV 0800 236.026 4 7 211 269 19
18 NOV 0830 236.047 4 9 231 168 11
18 NOV 0900 236.068 3 7 267 340 21
18 NOV 0940 236.096 5 10 606 523 21
18 NOV 1000 236.110 5 10 698 846 32
18 NOV 1020 236.124 4 10 731 946 35
18 NOV 1040 236.138 4 8 792 1342 48
18 NOV 1050 236.145 3 6 465 1313 61
nINT - Number of observing intervals
NObs - Number of observers
The calculations are made for r=2.0.
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