(meteorobs) Ursids 2014 outburst - Observation report

Russell Milton re.milton at frontier.com
Wed Dec 24 17:52:34 EST 2014


Thanks, Jens for the interesting Ursid report. That was a nice shower for you!

Best Regards,
Russell
On Dec 24, 2014, at 11:12 AM, Lacorne Jens <jens.lacorne at gmail.com> wrote:

> Dear meteor observers,
> 
> Here is my observation report from the Ursids activity during the peak night 22/23 Dec 2014.
> I observed from south-eastern France, in the french Alps (at 1270 m height) with a clearly sky without clouds.
> My limiting magnitude was near 5,0.
> 
> I started to observe at 21h23 UT and stop at 01h10 UT.
> 
> Pause during : 22h09 UT to 22h15 UT  and  22h52 UT to 22h58 UT.
> 
> It was a good show and surprising to see many ursids because normally ZHR reach 10 .
> 
> We have a enhanced activity with 11 Ursids in 30 minutes in the period 23h45 UT - 00h15 UT,
> and especially 7 Ursids in 15 minutes in the period 23h45 UT - 00h00 UT.
> 
> 
> Here is my summary report : (hours in UT)
> 
> 
> 21h23 - 21h51 UT    LM=4.62    1 URSIDS   -3 mag. with train
> 
> 21h51 - 22h09 UT    LM=4.85    1 URSIDS    4 mag.
> 
> 22h15 - 22h45 UT    LM=4.85    0 URSIDS
> 
> 22h45 - 22h52 UT    LM=4.90    1 URSIDS    2 mag.  short
> 
> 22h58 - 23h20 UT    LM=4.90    2 URSIDS    3 mag. and 4 mag.  short
> 
> 23h20 - 23h45 UT    LM=5.22    3 URSIDS    3 mag. (x2)  and a 1 mag.
> 
> 23h45 - 00h15 UT    LM=5.22    11 URSIDS   -2 mag. to 4 mag. (with a beautiful -2 mag. meteor , long train, and a blue color)
> 
> 00h15 - 00h45 UT    LM=5.40    4 URSIDS     -1 mag. to 3 mag. (with a bright -1 mag., long and yellow color)
> 
> 00h45 - 01h10 UT    LM=5.46    2 URSIDS     2 mag. and 4 mag.  short
> 
> 
> So, 25 Ursids were observed with Teff=3.58.
> Number of sporadic meteors = 20.
> 
> I note that the method used was tape recorder.
> 
> It was a good observation night with many meteors, and especially around 00h UT with a clear enhanced activity.
> 
> 
> Clear skies !
> 
> 
> Jens Lacorne.
> 
>     
> 
> 
> 
> 
> 
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