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Astrophotography and Sketching >> Sketching

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CatalinMT
super member


Reged: 12/12/10

Loc: Turda, Romania
Jupiter 27.09.2012
      #5453272 - 10/03/12 09:33 AM Attachment (40 downloads)

Here is my Jupiter sketch on the morning of September 27th. GRS looks orange-pale, not like in the last years when was more pronounced. NEB presented some festoons and SEB looked dark-gray, not the usual dark-red.

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Jef De Wit
Carpal Tunnel


Reged: 03/06/09

Loc: Hove, Belgium
Re: Jupiter 27.09.2012 new [Re: CatalinMT]
      #5453320 - 10/03/12 10:19 AM

Again a nice Jupiter with a lot of detail.
BTW, I finaly got a Neodymium-filter but didn't have yet clear skies to test him. Does it change the color of the planets?


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CatalinMT
super member


Reged: 12/12/10

Loc: Turda, Romania
Re: Jupiter 27.09.2012 new [Re: Jef De Wit]
      #5453369 - 10/03/12 10:58 AM

Thanks!
The Baader M&S filter do not shift the color in general, the tones of the planets with filter on are slighty cooler(or cooler white), but with higher contrast. The reason that my sketch seems different now is that I'm using an achromat and at eyepice this is how it looks, I'm tring to render what I'm seeing with or without the filter, even the CA effect on planet's tones. Past sketches were done with an Dobson telescope and present more warmer(and with the filter on more neutral)tones.
So, clear skies for testing the filter!

Edited by CatalinMT (10/03/12 10:59 AM)


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niteskystargazer
Carpal Tunnel
*****

Reged: 10/05/09

Loc: 41-43'-28" N 87-42'-39" W
Re: Jupiter 27.09.2012 new [Re: CatalinMT]
      #5453810 - 10/03/12 04:22 PM

Catalin,

Very Nice sketch of Jupiter .

CS,KLU,

,

Tom


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CatalinMT
super member


Reged: 12/12/10

Loc: Turda, Romania
Re: Jupiter 27.09.2012 new [Re: niteskystargazer]
      #5454602 - 10/04/12 06:17 AM

Thanks Tom!

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cpr1
professor emeritus
*****

Reged: 03/24/12

Loc: Louisiana
Re: Jupiter 27.09.2012 new [Re: CatalinMT]
      #5455555 - 10/04/12 06:58 PM

Wow, looks great. You had that 3.5 inch up there in power.

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Uwe Pilz
scholastic sledgehammer


Reged: 05/16/08

Loc: Leipzig, Germany
Re: Jupiter 27.09.2012 new [Re: cpr1]
      #5455972 - 10/05/12 12:20 AM

Fine sketch. It is interesting whoch degree of details you could cat with a small instrument.

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CatalinMT
super member


Reged: 12/12/10

Loc: Turda, Romania
Re: Jupiter 27.09.2012 new [Re: Uwe Pilz]
      #5457383 - 10/06/12 02:12 AM

Thanks! I push to its limits this little 'scope.

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