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Astrophotography and Sketching >> Sketching

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voyager75
member


Reged: 08/26/09

Loc: Naples, Italy
ngc 6543 new
      #4569227 - 05/08/11 11:47 AM Attachment (48 downloads)

Hello everyone,
first sketch of an a good urban sky night
I hope you enjoy it


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Achernar
Postmaster
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Reged: 02/25/06

Loc: Mobile, Alabama, USA
Re: ngc 6543 new [Re: voyager75]
      #4569350 - 05/08/11 12:28 PM

You've done a very nice job with this drawing, which shows why NGC-6543 is known as the Cat's Eye Nebula. It also seems you've spotted hints of the whorls that show so clearly in photographs of this very bright planetary nebula.

Taras


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Jef De Wit
Carpal Tunnel


Reged: 03/06/09

Loc: Hove, Belgium
Re: ngc 6543 new [Re: Achernar]
      #4569560 - 05/08/11 02:19 PM

Nice sketch. I never saw it that "blue" in the EP.

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Rutilus
Carpal Tunnel


Reged: 12/17/10

Re: ngc 6543 new [Re: Jef De Wit]
      #4569901 - 05/08/11 05:01 PM

Good work indeed.

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azure1961p
Postmaster
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Reged: 01/17/09

Loc: USA
Re: ngc 6543 new [Re: Rutilus]
      #4570286 - 05/08/11 08:58 PM

Looks pale peachy grey to me in the 8.

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frank5817
Postmaster
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Reged: 06/13/06

Loc: Illinois
Re: ngc 6543 new [Re: azure1961p]
      #4570351 - 05/08/11 09:30 PM

voyger75,

I also see it blue but just a bit more grey than you see it.
Nice sketch of this beautiful planetary.

Frank


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voyager75
member


Reged: 08/26/09

Loc: Naples, Italy
Re: ngc 6543 new [Re: frank5817]
      #4570751 - 05/09/11 03:09 AM

Hi everyone
Maybe I have a bit exceeded with color, however the same Hershell observing this nebula reminded Uranus.
Many thanks to all
Voyager


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David Knisely
Postmaster
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Reged: 04/19/04

Loc: southeastern Nebraska
Re: ngc 6543 new [Re: voyager75]
      #4570779 - 05/09/11 04:03 AM

Quote:

Hi everyone
Maybe I have a bit exceeded with color, however the same Hershell observing this nebula reminded Uranus.
Many thanks to all
Voyager




No, I think you are close, although I see it as a bit more bluish-green than pure blue. However, people's eyes have different responses to the OIII emission from the nebula, so the exact description of the color will vary from individual to individual. What I see in NGC 6543 is a bit more of a rounded oval than one with pointed ends, along with a very diffuse outer boundary or shell. The central star is a little curious in that it "appears" at 50x to 75x fairly well, yet at much higher power, it becomes harder to see. I suspect that some of what we see as a "star" in the middle of the nebula at lower power is just an inner brighter patch of nebulosity that sits right around the central star combined with the light of the star itself. Keep up your drawings and clear skies to you.


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niteskystargazer
Carpal Tunnel
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Reged: 10/05/09

Loc: 41-43'-28" N 87-42'-39" W
Re: ngc 6543 new [Re: voyager75]
      #4571176 - 05/09/11 10:58 AM

voyger75,

Very nice sketch of NGC 6543

CS,KLU,

,

Tom


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maroubra_boy
Vendor - Gondwana Telescopes


Reged: 09/08/09

Loc: Sydney, Australia
Re: ngc 6543 new [Re: niteskystargazer]
      #4572005 - 05/09/11 06:31 PM

There's a nice *BLEEP* cat!

What I particularly like in your sketch is you've managed to keep the PN nice and small, and still introduce detail. Tricky thing to do, !


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CarlosEH
Postmaster
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Reged: 01/19/05

Loc: Pembroke Pines, Broward County...
Re: ngc 6543 new [Re: maroubra_boy]
      #4572239 - 05/09/11 09:05 PM

An excellent observation of the Cat's Eye Nebula (NGC 6543). You have captured a nice amount of detail over it. Thank you for sharing it with us all.

Carlos


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maroubra_boy
Vendor - Gondwana Telescopes


Reged: 09/08/09

Loc: Sydney, Australia
Re: ngc 6543 new [Re: CarlosEH]
      #4572377 - 05/09/11 10:44 PM

Hey! Why the *BLEEP*? 'P,u,s,s,y cat' is offensive?

Cripes the automated censor is a bit trigger happy, isn't it! It needs a touch of context written into its programming.


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lunar
Carpal Tunnel


Reged: 07/03/10

Re: ngc 6543 new [Re: maroubra_boy]
      #4573908 - 05/10/11 07:02 PM

Nice sketch! I think you captured the true nature of this object nicely, along with the blue color.

Clear Skies,
Brandon Doyle


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JayKSC
Carpal Tunnel
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Reged: 01/01/05

Loc: Florida
Re: ngc 6543 [Re: voyager75]
      #4573976 - 05/10/11 07:48 PM

What a great sketch of this show-piece planetary. It's been awhile since I took a look at NGC 6543, but do recall seeing it fairly aqua in even pretty small scopes. I seem to recall reading somewhere about color perception having some variation between people when it comes to smaller, dimmer targets.

Jay
South Florida


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