Hello Peter

Thank you very much. I'll try to observe again 409P this night, thought
extreme light pollution by the moon will hardly permit a deep image.

All the best

Fabrizio

Il 23/03/2021 22:44, denis buczynski ha scritto:
>
>
> ------ Original Message ------
> From: "Peter Carson" <petercarson100@gmail.com>
> To: "baa-comet@simplelists.com" <baa-comet@simplelists.com>
> Sent: Tuesday, 23 Mar, 21 At 21:09
> Subject: [BAA Comets] 409P tail seems expanding
>
> Hello Fabrizio,The tail does appear to be broadening but my
> observations show the tail is not lengthening. My last image yesterday
> morning (22<sup>nd</sup>) records 2.5’ of tail. My image taken on the
> March 14<sup>th</sup> records 3.2’ of tail.My images taken 2021 Jan
> 17<sup>th</sup>, Feb 15<sup>th</sup>, 22<sup>nd</sup> March
> 7<sup>th</sup>, 14<sup>th</sup> and 22<sup>nd</sup> can be found here
> http://www.astromania.co.uk/comet_409p_loneoshill.html  All the
> bestPeter Peter Carson Z10 Sent from Mail for Windows 10 From: denis
> buczynski - buczynski8166 at btinternet.com (via baa-comet list)
> Sent: 23 March 2021 15:52
> To: baa-comet@simplelists.com
> Subject: [BAA Comets] Fwd: 409P tail seems expanding
>
>
> ------ Original Message ------
> From: "Fabrizio Montanucci" <f.montanucci@mclink.it>
> To: cometobs@britastro.org
> Sent: Tuesday, 23 Mar, 21 At 14:54
> Subject: 409P tail seems expanding
>
> Hello friends
>
> I cannot exclude it is an artifact, ma from a preliminary data
> reduction it seems to me that the tail of 409P is rapidly enlarging.
> In attach a comparison between yesterday and one week before, obtained
> with the same equipment and focal (the main difference is the seeing,
> yesterday was poor). It seems to me that the last images in your
> archive confirm this impression. It could be a reason to observe this
> night this weak but nice comet, probably I will not be able.
>
> best wishes Fabrizio
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