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Astrophotography and Sketching >> Sketching

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Mark9473
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Reged: 07/21/05

Loc: 51N 4E
A most peculiar Jupiter (16 Feb. 2011) new
      #4390512 - 02/16/11 02:20 PM Attachment (61 downloads)

Despite boiling seeing I couldn't resist attempting a sketch this evening. I haven't seen such a peculiar feature on Jupiter since the Schoemaker-Levy impacts. It was a large dark "comma"-shaped feature. At times I suspected the GRS was hiding under it, but the conditions weren't good enough to be sure.

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chrisrnuttall
Professor Emeritus


Reged: 12/29/10

Loc: York, England
Re: A most peculiar Jupiter (16 Feb. 2011) new [Re: Mark9473]
      #4390541 - 02/16/11 02:25 PM

entering your observation time into win jupos reveals that the dark arch is indeed in the location of the GRS. Recently dark material has been seen winding round the spot and it seems to be changing frequently.

well done on capturing this feature! along with a wealth of banding...


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frank5817
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Reged: 06/13/06

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Re: A most peculiar Jupiter (16 Feb. 2011) new [Re: chrisrnuttall]
      #4391477 - 02/16/11 08:42 PM

Chris,

I am glad you answered the question about the GRS.
----
Mark,

Excellent looking sketch under tough conditions.

Frank


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Asbytec
Guy in a furry hat
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Reged: 08/08/07

Loc: La Union, PI
Re: A most peculiar Jupiter (16 Feb. 2011) new [Re: frank5817]
      #4392034 - 02/17/11 06:56 AM

Nice capture, Mark.

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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: A most peculiar Jupiter (16 Feb. 2011) new [Re: Mark9473]
      #4392920 - 02/17/11 03:50 PM

Mark,

Very nice sketch of Jupiter .

CS,KLU,

,

Tom


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Mark9473
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Reged: 07/21/05

Loc: 51N 4E
Re: A most peculiar Jupiter (16 Feb. 2011) new [Re: niteskystargazer]
      #4392983 - 02/17/11 04:12 PM

Thanks guys. I missed Jupiter today as I got home too late. Did anybody else get a look at it?

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Special Ed
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Reged: 05/18/03

Loc: Greenbrier Co., WV 38N, 80W
Re: A most peculiar Jupiter (16 Feb. 2011) new [Re: Mark9473]
      #4393094 - 02/17/11 05:22 PM

Mark,

Nice observation--you sketched what you saw. That makes the sketch golden. I'm planning to go out shortly to take a look at the King and the GRS should be visible. Unfortunately, the CSC has changed its forecast--the seeing is now supposed to be poor so I don't know what I'll be able to detect. I'll report back here.


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Special Ed
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Reged: 05/18/03

Loc: Greenbrier Co., WV 38N, 80W
Re: A most peculiar Jupiter (16 Feb. 2011) new [Re: Special Ed]
      #4393313 - 02/17/11 07:12 PM

Sorry--when I got to the observatory, there was one tree on the ridge to my west that is head and shoulders above all the rest and naturally Jupiter was behind that tree.

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CarlosEH
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Reged: 01/19/05

Loc: Pembroke Pines, Broward County...
Re: A most peculiar Jupiter (16 Feb. 2011) new [Re: Special Ed]
      #4394136 - 02/18/11 03:25 AM Attachment (22 downloads)

Mark,

An excellent observation of Jupiter. You have captured fine detail across the Jovian disk.

You actually recorded the re-emergence of the Red Spot Hollow (RSH, also known as the White Spot Hollow (WSH)) which normally borders and nearly encloses the Great Red Spot (GRS) towards the north. I have attached an excellent image of Jupiter obtained by Glenn Jolly of Arizona that shows the GRS/RSH very nicely.

Thank you for sharing it with us all.

Carlos


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Mark9473
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Reged: 07/21/05

Loc: 51N 4E
Re: A most peculiar Jupiter (16 Feb. 2011) [Re: CarlosEH]
      #4394331 - 02/18/11 07:54 AM

To have a view like that of Jupiter, once in my lifetime, ... Thanks for posting the image, Carlos. I saw something similar in the Solar System Imaging forum recently.

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