[BAA Comets] Comet 29P has outburst attaining R=15 approx.

Richard Miles rmiles.btee at btinternet.com
Sat Feb 28 12:50:20 GMT 2015


The outburst time has now been narrowed down to 2015 February 25.85 +/-0.17 
thanks to some additional LCOGT images.

Maximum brightness appears to be R=14.6 (in a 5.5" radius photometric 
aperture).

A short write-up detailing these and the circumstances of this latest 29P 
event can be seen at:
http://www.britastro.org/article_render/6303

Thanks Jean-Francois for your more recent confirmation of this outburst.

Richard Miles
BAA


----- Original Message ----- 
From: "'Richard Miles' rmiles.btee at btinternet.com [comets-ml]" 
<comets-ml at yahoogroups.com>
To: <Observadores_cometas at yahoogroups.com>; "BAA Comets discussion list" 
<comets-disc at britastro.org>; <asvcometsection at yahoogroups.com>; 
<comets-ml at yahoogroups.com>; "Guy Hurst" <guy at tahq.demon.co.uk>
Sent: Thursday, February 26, 2015 9:43 PM
Subject: [comets-ml] Comet 29P has outburst attaining R=15 approx.


> Images taken on 2015 February 26.653 using the 2.0-m Faulkes Telescope 
> North
> (F65) operated by Las Cumbres Observatory Global telescope (LCOGT) show
> 29P/Schwassmann-Wachmann to be in outburst at magnitude R=15 (+/-0.5).
>
> Previous astrometry/photometry on 2015 February 25.318-25.366 by
> Jean-François Soulier from W96 (SpaceObs, San Pedro de Atacama, Chile) 
> show
> the comet was quiescent at that time at magnitude R=16.8-17.1. Images 
> taken
> a few hours later from F65 on February 25.638 also show that 29P remained
> quiescent later in the day.
>
> Further observations are encouraged as the cometary outburst might still 
> be
> on the rise.
>
> Follow-up observations may also enable a more exact time of outburst to be
> determined. A provisional estimate for this latest outburst is that it 
> took
> place on 2015 February 26.15 +/-0.40.
>
> Richard Miles
> British Astronomical Association



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