A/2025A1 denis buczynski (08 Mar 2026 13:38 UTC)
Re: [BAA Comets] A/2025A1 Nick James (08 Mar 2026 15:09 UTC)
Re: A/2025A1 Tim Haymes (12 Mar 2026 17:58 UTC)
Re: [BAA Comets] Re: A/2025A1 Nick James (13 Mar 2026 13:33 UTC)
Re: [BAA Comets] Re: A/2025A1 denis buczynski (12 Mar 2026 18:46 UTC)
Re: [BAA Comets] Re: A/2025A1 Tim Haymes (13 Mar 2026 09:06 UTC)

Re: A/2025A1 Tim Haymes 12 Mar 2026 17:58 UTC
Hi Nick, All:

Clear and dark this evening  2026 Mar 11.9

     AK25A010 KC2026 03 11.94097 08 23 21.79 +37 44 56.2 18.22R     
Y98      0.75 arcsec/pix

C11, F5.8, QHY174mGPS   38 x 1min track and stack.  9pix rad with
Astrometrica, UCAC4, no filter.

Appears elongated about 9 arcsec.  The nearby bright star is TYC 2974-1998-1

Tim Haymes
Steeple Aston
Oxfordshire

On 08/03/2026 15:09, Nick James wrote:
> That's a good catch Denis. It clearly is a comet!
>
> This object was discovered on 2025 January 2 at Mt. Lemmon:
>
> https://www.minorplanetcenter.net/mpec/K25/K25AA8.html
>
> It is in a cometary orbit and it gets to a distant perihelion (5.34
> au) in 2027 March in but it has not shown any signs of cometary
> activity up to now. It is well-placed for observation from the UK
> moving very slowly through Lynx and images over the next few weeks
> would allow us to track its behaviour. Please obtain magnitude
> estimates in a 9 arcsec radius if you can. It is around 18th magnituxde.
>
> The latest observations in the MPC database are here:
>
> https://www.minorplanetcenter.net/db_search/show_object?utf8=%E2%9C%93&object_id=AK25A010
>
>
> Nick.
>
>
> On 08/03/2026 13:38, denis buczynski - buczynski8166 at btinternet.com
> (via baa-comet list) wrote:
>> I observed A 2025 A1 this week and found that it displayed cometary
>> features (coma and a short broad tail) I asked Dan Green ICQ to ask
>> for confirmation. He replied back " David Rankin (Catalina) and Rob
>> Weryk (PanSTARRS)
>> both confirm their their recent images show cometary appearance."
>> Can other imagers add this object to their observing run.
>> Denis Buczynski  MPC I81
>> Image attached
>
> To unsubscribe from this list please go to
> https://lists.simplelists.com/subs/