(meteorobs) Ursids 2011

[Chris Steyaert]

A day later, we can be more sure that the Ursids 2011 were rather weak.

'Reference radio observer' Felix Verbelen has a slight enhancement 
around Dec 22, 19h UT.

         http://www.rmob.org/livedata/live_datas/Verbelen_122011.jpg

His results of previous years from http://rmob.org/visualrmob.php 
(enter year and month) indicate a maximum in

  2008 Dec 22   1h UT
  2009 Dec 22   6h UT  a fairly strong one
  2010 Dec 22  10h UT
(2011 Dec 22  19h UT)

These timings correspond to a solar longitude of 270.3 - 270.4 deg


         Regards,

         Chris


At 20:13 22/12/2011, Chris Steyaert wrote:
>At 21:04 21/12/2011, Mikhail Maslov wrote:
>>Hello,
>>
>>Below is the link to the Ursids 2011 prediction. The Earth 
>>uncounters an old 1117 trail, so around 17:48 UT December 22 the 
>>shower can produce a minor enhancement with ZHR 10-15 plus to the background
>>activity.
>
>
>No enhancement seen in the radio observations on 
>http://www.rmob.org/livedata/main.php
>
>In fact, the 'regular' Ursids activity is low or has not yet started 
>as of now.
>
>
>         Regards,
>
>         Chris