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The result of Leonids



Radio Meteor Observation

icon Annual Variation List

icon Annual Variation Graphs

icon Information (as following list)

Year source Comments (Time:UT)
2016 WorldWide Non unusal and clear activity.
2015 WorldWide Non unusal and clear activity.
2014 WorldWide Non unusal and clear activity.
2013 WorldWide The activity was very weak as same as background level.
2012 WorldWide The activity was very weak as estimated A(max)=0.5.
2011 WorldWide The weak activity with estimated ZHR 38 was over.
2010 WorldWide The weak activity with a small peak around 21h(UT) 17th.
2009 WorldWide The outburst prediceted by some researchers was observed.
2008 WorldWide The small activity around λo235° was observed.
2007 WorldWide It was impossible to see some Leonid activity.
2006 WorldWide Although the peak on λo236°.617 was observed, error-bar was large.
2005 WorldWide The clear peak was not observed as same as in 2004.
2004 WorldWide The activity was annual level.
2003 WorldWide The actvity level was much smaller.
The clear peak was however observed at λo236°.832
2002 WorldWide Two big peaks were observed that one is in Europe and one is
America. It was impossible to count in Europe as same as 2001.
2001 WorldWide It was impossible to count the number of echoes because
observed images were covered with a lot of long echoes.
2000 WorldWide Three big peaks were observed. The biggest peak was λo236°.087
which was provided by 1733 dust trail.
Misato Obs The peak was 0h 18th with HR74.
Tsukuba Univ. The peak was 0h 18th as same as Misato Obs with max HR 100.
1999 WorldWide Main peak was λo235°.301.
Sub peaks on λo234°.545 and λo235°.846 were also observed.
Chigusa HS The peak on 02h 18th with HR50 was observed.

Introduction

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