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: [BAA Comets] Re: A/2025A1 denis buczynski 12 Mar 2026 18:46 UTC

Hi Tim,
You have annotated the image A/2026 A1 instead of A/2025A1.
Best wishes
Denis

        ------ Original Message ------
        From: baa-comet@simplelists.com
        To: baa-comet@simplelists.com
        Sent: Thursday, March 12th 2026, 17:59
        Subject: [BAA Comets] Re: A/2025A1

  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
  >
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