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Old 13-08-2010, 07:00 PM
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spearo (Frank)
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Saturn Nebula NGC 7009

Hello
Here 's my first attempt at the Saturn Nebula.

Tiny little target.

My C14 needs some collimation I think.

Still I'm pleased I managed to get something out of it.

full frame (minor cosmetic cropping) and cropped version.

C14 at F/11 on G11 LRGB 90-30-30-30

thanks for looking
frank

EDIT added a few frames from near full Moon but only exposed 2 and 3 minutes as test shots and sure enough I'd burned the core before so i add a more detailled quick repro. I will reimage properly shortly under new Moon skies.
cheers frank
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Last edited by spearo; 22-08-2010 at 07:39 PM.
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  #2  
Old 13-08-2010, 07:08 PM
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Bassnut (Fred)
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I like it, bright, low noise and some good detail.
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Old 13-08-2010, 07:11 PM
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Good image Frank, thanks for the view. Nothing but cloud for me to view and still more to come. All the best.
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Old 13-08-2010, 07:14 PM
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Lovely work, love the blue colour and you have revealed some nice details.

Isn't there meant to be a central star?

Mike
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Old 13-08-2010, 07:58 PM
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Thanks guys
Mike Yes I think so but i think I initially blew it out then probably masked it too much by high pass filtering
:[
frank
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Old 13-08-2010, 08:13 PM
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Very nice image, detail & colour. Try a Sidonio to recapture the central star.
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Old 13-08-2010, 09:06 PM
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Quote:
Originally Posted by spearo View Post
Thanks guys
Mike Yes I think so but i think I initially blew it out then probably masked it too much by high pass filtering
:[
frank
Phew! I thought for a moment Fred had a desciple
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Old 13-08-2010, 09:11 PM
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Octane (Humayun)
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Hey mate,

Excellent! Such beautiful colouring in that planetary. Pity about the miscollimation. : (

I'm looking forward to what's to come -- are you saving the best 'til last? ; )

H
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Old 13-08-2010, 09:25 PM
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Beautiful. I haven't seen any of that target of that high quality.
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Old 14-08-2010, 05:24 AM
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Thanks All

I tried to have a go at it again but there is no helping the fact that the core is burned out

What I need is to re-shoot with shorter exposure and layer in the better core etc.
Maybe next week?
will see
Thanks for the feedback
much appreciated
frank
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Old 14-08-2010, 08:33 AM
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Hi Frank, I just had a look at NGC7009 on The Sky 6 and saw that there is another planetary PLN 37-34.1 only 38" from it, magnitude 8.3 and 0.4'x0.4' . So should be within the FOV on the cropped image. Strange that there is no sign of it.

Just did a google search and states that NGC 7009 and PLN 37-34.1 are the same object. Just goes to show some planetarium programs have a few mistakes within.

Sorry Frank.
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Old 14-08-2010, 11:09 AM
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Miscollimation aside, that is probably the brightest image of that PN I've seen. Very nice. Good luck with the shorter exposers in the coming week, look forward to seeing the results.

Darren
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  #13  
Old 14-08-2010, 12:08 PM
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Nice shot Frank....quite bright and a fair amount of detail too
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  #14  
Old 14-08-2010, 02:37 PM
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Top effort, long FL imaging is a challenge, once you are over 1500 mm seeing kicks in noticeably, at 3911 mm that's way over that and seeing will play a big part. Well done I say.

Maybee you will get more next time, look forward to the results
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Old 14-08-2010, 05:57 PM
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multiweb (Marc)
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Impressive Frank. Terrific shot.
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  #16  
Old 14-08-2010, 10:39 PM
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Many thanks everyone for the kind encouraging words
I'll try to collect more and better data soon
cheers
frank
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  #17  
Old 15-08-2010, 11:34 AM
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Frank I like this image. If you collimation is out it is not noticable in this image. The stars a eveer so slightly misshapen and this could have occured for other reasons than collimation.

The colour and detail is very good.
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  #18  
Old 15-08-2010, 04:05 PM
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Thanks Paul
frank
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Old 15-08-2010, 05:23 PM
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Fantastic effort on such a distant object, well done indeed.

Leon
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  #20  
Old 15-08-2010, 10:47 PM
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Thanks Leon
frank
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