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  #1  
Old 07-10-2012, 02:02 PM
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tilbrook@rbe.ne (Justin Tilbrook)
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Three comets.

Hi,

A few comets around at the moment that are worth imaging.

C/2011 L4 PANSTARRS, image taken 3/10, very small with a short tail, recent visual estimates around 11.5 to 12.

C/2011 R1 McNaught, image taken 3/10, showing a broad tail and nice colour, guide 8 has it at 11.8.

168P Hergenrother, image taken 7/10, this comet is in outburst at the moment, visual estimates 9.8 to 10. very bright nucleus and tail.

Cheers,

Justin.
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  #2  
Old 07-10-2012, 02:18 PM
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Nice captures Justin. You also have a nice interacting galaxy pair in that last image.
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  #3  
Old 07-10-2012, 03:13 PM
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Agreed, top captures indeed.

leon
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Old 07-10-2012, 03:26 PM
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Well done Justin, a lovely little tail in each.

Am going to have a look for 168P tonight, as been working the last couple of nights.
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  #5  
Old 07-10-2012, 03:45 PM
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Excellent images Justin. The "outburst" is spectacular indeed.

-Ivan
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  #6  
Old 07-10-2012, 04:35 PM
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Thanks Justin. Also going to try for 168P tonight.
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  #7  
Old 07-10-2012, 05:28 PM
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tilbrook@rbe.ne (Justin Tilbrook)
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Thanks for the comments!

It's nice to have a few comets to image, having withdrawl symptoms after Lovejoy.

Cheers,

Justin.
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  #8  
Old 07-10-2012, 07:10 PM
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Wow - I enjoyed these - image 3 looks to show quite a few galaxies - cool!
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Old 07-10-2012, 09:33 PM
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Nice work Justin.
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  #10  
Old 07-10-2012, 11:16 PM
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Nice work Justin
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  #11  
Old 08-10-2012, 01:24 PM
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tilbrook@rbe.ne (Justin Tilbrook)
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Thanks Matt, jjj and Rob!

Cheers,

Justin.
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  #12  
Old 27-10-2012, 03:01 PM
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Quote:
Originally Posted by tilbrook@rbe.ne View Post
Hi,

A few comets around at the moment that are worth imaging.

C/2011 L4 PANSTARRS, image taken 3/10, very small with a short tail, recent visual estimates around 11.5 to 12.

C/2011 R1 McNaught, image taken 3/10, showing a broad tail and nice colour, guide 8 has it at 11.8.

168P Hergenrother, image taken 7/10, this comet is in outburst at the moment, visual estimates 9.8 to 10. very bright nucleus and tail.

Cheers,

Justin.
Nice images there Justin
Just to be a bit picky,you cannot see the nucleus of a comet in ground based telescopes,what you are seeing is the bright Coma.
The Nucleus is hidden by the bright Coma
See Here
The Coma can be very large,but the nucleus is really quite small.
Cheers
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  #13  
Old 27-10-2012, 04:05 PM
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Great images, Justin!
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  #14  
Old 27-10-2012, 08:19 PM
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Nice work Justin, for a second or two when I saw the title, I thought you had found your third
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  #15  
Old 30-10-2012, 05:40 PM
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Quote:
Originally Posted by astroron View Post
Nice images there Justin
Just to be a bit picky,you cannot see the nucleus of a comet in ground based telescopes,what you are seeing is the bright Coma.
The Nucleus is hidden by the bright Coma
See Here
The Coma can be very large,but the nucleus is really quite small.
Cheers
Oop's!

Thanks for pointing that out.

Quote:
Originally Posted by Larryp View Post
Great images, Justin!
Thanks larry!

Quote:
Originally Posted by Astroman View Post
Nice work Justin, for a second or two when I saw the title, I thought you had found your third
Thanks Andrew!

And I wish!!

Cheers,

Justin.
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  #16  
Old 30-10-2012, 06:32 PM
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Great shots mate. I saw Hergenrother a few weeks ago and now I have comet fever. Is hergenrother still in outburst or is it fading.
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  #17  
Old 30-10-2012, 08:35 PM
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tilbrook@rbe.ne (Justin Tilbrook)
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Quote:
Originally Posted by Curt View Post
Great shots mate. I saw Hergenrother a few weeks ago and now I have comet fever. Is hergenrother still in outburst or is it fading.
Thanks Curt!

Don't know whether it's still in outburst, the last observation I can find is on Oct 18th at mag 9.5.

https://groups.google.com/forum/?fro...Y/4nt2IBLqC68J

It does appear that it may be fragmenting, the info can be found here.

http://tech.groups.yahoo.com/group/c.../message/20066

Cheers,

Justin.
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  #18  
Old 30-10-2012, 08:58 PM
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Great work justin. My favorite is image 3. The view of the comets iserted on those star fields is amazing.

Fernando
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