[BAA Comets] Comet C/2016R2 PanSTARRS

[Nick James]

David,

I don't know about a spectrum but this certainly resembles those two 
comets. It'll be interesting to see how it develops.

Denis Buczynski reported that the most prominent tail is at around PA320 
tonight although the other tail at PA250 is still visible. The comet is 
clearly quite active and the geometry means that our view can change 
rapidly.

Nick.

On 27/11/2017 23:07, seargent at ozemail.com.au wrote:
> Has a spectrum been obtained for this comet? Considering its activity
> at fairly large distances from the Sun, I wonder if this is another of
> those rare CO comets like Morehouse and Humason.Cheers,David
> 
> ----- Original Message -----
> From: "BAA Comets discussion list"
> To:"BAA Comets discussion list"
> Cc:
> Sent:Mon, 27 Nov 2017 22:29:13 +0000
> Subject:Re: [BAA Comets] Comet C/2016R2 PanSTARRS
> 
>   Peter,
> 
>   Yes, it is certainly worth watching and seems to be developing
> quickly.
>   There has been some impressive activity given that it is over 3au
> out.
>   There's a really nice sequence from Michael Jäger on Space
> Weather:
> 
>   http://spaceweathergallery.com/full_image.php?image_name=michael-jAcger-2016R220171122GIFblue_1511645500.gif
> 
>   but this was from very dark skies. Your image certainly shows some
>   tantalising detail near the limit. My latest image taken just before
>   yours is too noisy to show much other than the main tail:
> 
>   http://www.nickdjames.com/Comets/2017/2016r2_20171125_2325_ndj.jpg
> 
>   Nick.
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