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Astrophotography and Sketching >> Sketching

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Paul G. Abel
sage


Reged: 01/28/10

Loc: UK
Saturn with 20" DK
      #5804557 - 04/17/13 01:30 PM

Greetings all,

Please find attached an observation of Saturn observation made Dr. Hugh Sasse and myself using the University of Leicester's 20" DK Planewave telescope. Seeing was largely AIV but we were able to use a number of higher powers on the planet in the steadier moments. We afforded some interesting views of the planet, these were as follows:

Globe:
-A faint EB present just under the crossing of the C-Ring
-A number of faint broad bands making up the broad NEB. Some faint structures appeared to be present within the NEBz and the NTropZ
-Greenish colour present in NTZ
-NPR bluish.

Rings:
-Ansae now very bright as we approach opposition
-Cassini Division seen, but did not appear black, rather a very dark brown.
-C-Ring dark, best seen at the ansae centre.
-Even in this telescope, the whole of the B1-Ring seems to have a yellowish cast to me.
-B2 Ring hard to see visually.

Perhaps the most intriguing thing was a definite angular impression I had of the NPR, although this angularity only appeared to present on the proc. side of the NPR. I do not claim that I have seen the NP Hexagon- only that in the calmer conditions at x356, there was a definite sense of two straight lines at an angle.

By 2345UT the planet moved over some buildings that seemed to be generating a lot of heat and this destroyed the seeing rather. We had hopped to do some filter and intensity work, but when I could not even get a reasonable image at x160, we decided to abandon this.

Best wishes,
-Paul



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idp
sage


Reged: 08/21/09

Loc: New Haven, CT
Re: Saturn with 20" DK new [Re: Paul G. Abel]
      #5804884 - 04/17/13 04:45 PM

Wonderful. Longing for a big telescope.

Ivano


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niteskystargazer
Carpal Tunnel
*****

Reged: 10/05/09

Loc: 41-43'-28" N 87-42'-39" W
Re: Saturn with 20" DK new [Re: Paul G. Abel]
      #5804922 - 04/17/13 05:08 PM

Paul,

Very good sketch of Saturn .

CS,KLU,

,

Tom


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joelimite
Carpal Tunnel
*****

Reged: 09/01/08

Loc: Fayetteville, AR
Re: Saturn with 20" DK new [Re: niteskystargazer]
      #5805181 - 04/17/13 06:26 PM

Wow! I've seen Saturn through a 30-inch reflector, but the seeing was poor. The view wasn't nearly this detailed.

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frank5817
Postmaster
*****

Reged: 06/13/06

Loc: Illinois
Re: Saturn with 20" DK new [Re: joelimite]
      #5805432 - 04/17/13 08:40 PM

Impressive colors, details on both the planet and ring system. The north dark polar features most interesting.

Frank


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kenrenard
Carpal Tunnel


Reged: 12/13/12

Loc: Dunmore, PA
Re: Saturn with 20" DK new [Re: frank5817]
      #5806152 - 04/18/13 07:05 AM

Paul,
Wonderful sketch. You captured the beauty of Saturn with your drawing.


Ken


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azure1961p
Postmaster
*****

Reged: 01/17/09

Loc: USA
Re: Saturn with 20" DK new [Re: kenrenard]
      #5807780 - 04/18/13 09:44 PM

Is Saturn still sporting that aqua band?

Pete


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Andrev
Post Laureate
*****

Reged: 02/08/11

Loc: Montreal, Quebec, Canada
Re: Saturn with 20" DK new [Re: azure1961p]
      #5807946 - 04/18/13 11:44 PM

Beautiful Paul. What a nice sketch.

Andre.


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PeterDob
scholastic sledgehammer


Reged: 07/29/05

Loc: Castelnovo ne' Monti, Italy
Re: Saturn with 20" DK new [Re: Andrev]
      #5808172 - 04/19/13 06:15 AM

Stunning, Paul! Lovely sketch and you caught the colours well!

Peter


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Tommy5
Carpal Tunnel


Reged: 03/28/04

Loc: Chicagoland
Re: Saturn with 20" DK new [Re: PeterDob]
      #5811545 - 04/20/13 06:54 PM

Great sketch spectacular detail thanks for sharing.

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