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Astrophotography and Sketching >> Sketching

Pages: 1
frank5817
Postmaster
*****

Reged: 06/13/06

Loc: Illinois
Posidonius and Northern Serpentine Ridge
      #5602297 - 01/03/13 02:08 AM Attachment (28 downloads)

With the first clear night in more than one week, I was able to catch the sunset across crater Posidonius (99 km) at the northeastern edge of Mare Serentatis. Posidonius A (11 km.) , the highest of the small central peaks and the tilted and uplifted concentric ridge were the last features catching the light at sunset inside the rim. Also visible and included in this sketch was the northern most portion of Serpentine Ridge. As temperatures were falling throughout the night, I found myself stopping to warm my hands indoors not once but several times. The lunar viewing was excellent this night.

Sketching:
For this sketch I used: black Strathmore 400 Artagain paper, white and black Conte’
pastel pencils and a blending stump.
Telescope: 10 inch f/ 5.7 Dobsonian and 9 mm eyepiece 161X
Date: 01-02-2013: 04:30 - 06:00 UT
Temperature: - 16° C (2°F)
Clear, calm
Seeing: Antoniadi III
Colongitude: 150°
Lunation: 19.83 days
Illumination: 79.6 %

Frank McCabe


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Jef De Wit
Carpal Tunnel


Reged: 03/06/09

Loc: Hove, Belgium
Re: Posidonius and Northern Serpentine Ridge new [Re: frank5817]
      #5602483 - 01/03/13 08:17 AM

Frank, fine work! Like how you sketched the ridges. Makes me want to go out and sketch the Moon, but weather was very bad last months in Belgium. 10°C and rain... that ain't no winter!

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Asbytec
Guy in a furry hat
*****

Reged: 08/08/07

Loc: La Union, PI
Re: Posidonius and Northern Serpentine Ridge new [Re: Jef De Wit]
      #5602906 - 01/03/13 12:31 PM

Frank, you have a fine technique. You bring out the course beauty very well.

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niteskystargazer
Carpal Tunnel
*****

Reged: 10/05/09

Loc: 41-43'-28" N 87-42'-39" W
Re: Posidonius and Northern Serpentine Ridge new [Re: frank5817]
      #5603254 - 01/03/13 03:40 PM

Frank,

Very good sketch of Posidonius & Northern Serpentine Ridge .

CS,KLU,

,

Tom


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frank5817
Postmaster
*****

Reged: 06/13/06

Loc: Illinois
Re: Posidonius and Northern Serpentine Ridge new [Re: niteskystargazer]
      #5603832 - 01/03/13 10:43 PM

Jef, Norme and Tom,

It was a fine sight. Thank you for your nice words.

Frank


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Uwe Pilz
scholastic sledgehammer


Reged: 05/16/08

Loc: Leipzig, Germany
Re: Posidonius and Northern Serpentine Ridge new [Re: frank5817]
      #5603924 - 01/04/13 12:08 AM

The detail in the inner of Posidonus is phatastic. Must have been an extraordinary view.

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frank5817
Postmaster
*****

Reged: 06/13/06

Loc: Illinois
Re: Posidonius and Northern Serpentine Ridge new [Re: Uwe Pilz]
      #5606432 - 01/05/13 11:52 AM

Uwe,

Yes, the view was spectacular and thank you for your words.
Clear skies to you.

Frank


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ericj
professor emeritus


Reged: 02/17/05

Re: Posidonius and Northern Serpentine Ridge new [Re: frank5817]
      #5608207 - 01/06/13 12:06 PM

Hi Frank,

Another nice sketch as always, thanks for posting.

Best,

Eric


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Tommy5
Carpal Tunnel


Reged: 03/28/04

Loc: Chicagoland
Re: Posidonius and Northern Serpentine Ridge new [Re: ericj]
      #5608677 - 01/06/13 03:49 PM

great sketch, i was also out that night very chilly too cold to sketch but good seeing,very nice lunar sketch.

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Aquarellia
professor emeritus


Reged: 10/27/12

Loc: Provence, France
Re: Posidonius and Northern Serpentine Ridge new [Re: Tommy5]
      #5609540 - 01/07/13 12:44 AM

Extra Frank, I like how you sketch craters
Michel


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frank5817
Postmaster
*****

Reged: 06/13/06

Loc: Illinois
Re: Posidonius and Northern Serpentine Ridge new [Re: Aquarellia]
      #5609577 - 01/07/13 01:42 AM

Eric, Tommy and Michel,

Thank you all for your kind words.
I don't like to sketch when the temperature falls below about -7 degrees C. It justs gets too uncomfortable quickly.
If I had know in advance what the air temperature was I would not have started this sketch.
--
Eric, it was a great night to observe but I should have kept my gloves on.
--
Tom, Tonight, Sunday night, was the best night with very steady air. Jupiter was awesome.
--
Michel,
On the night I sketched Posidonius I got a pretty good look at comet C/2012 K5 but my skies are not the best to the north east with Chicago nearby.

Frank


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Ed D
Carpal Tunnel
*****

Reged: 04/30/10

Loc: Sunny South Florida
Re: Posidonius and Northern Serpentine Ridge new [Re: frank5817]
      #5609787 - 01/07/13 09:07 AM

Frank, not only is your sketch really nice, but to brave such cold - WOOOW!!!

Ed D


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JeanB
Pooh-Bah


Reged: 07/11/11

Loc: Montreal, Canada
Re: Posidonius and Northern Serpentine Ridge new [Re: Ed D]
      #5610007 - 01/07/13 11:25 AM

As usual, Frank, a very beautiful and informative sketch of the moon!

Jean


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frank5817
Postmaster
*****

Reged: 06/13/06

Loc: Illinois
Re: Posidonius and Northern Serpentine Ridge new [Re: JeanB]
      #5611066 - 01/07/13 10:38 PM

Ed and Jean,

Thank you both much.
--
Ed - I know why so many of our summer time birds fly to your state for winter.

Frank


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