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Posidonius and Northern Serpentine Ridge

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#1 frank5817

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Posted 03 January 2013 - 02:08 AM

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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#2 Jef De Wit

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Posted 03 January 2013 - 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!

#3 Asbytec

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Posted 03 January 2013 - 12:31 PM

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

#4 niteskystargazer

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Posted 03 January 2013 - 03:40 PM

Frank,

Very good sketch of Posidonius & Northern Serpentine Ridge :).

CS,KLU,

:thanx:,

Tom

#5 frank5817

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Posted 03 January 2013 - 10:43 PM

Jef, Norme and Tom,

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

Frank :)

#6 Uwe Pilz

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Posted 04 January 2013 - 12:08 AM

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

#7 frank5817

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Posted 05 January 2013 - 11:52 AM

Uwe,

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

Frank :)

#8 ericj

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Posted 06 January 2013 - 12:06 PM

Hi Frank,

Another nice sketch as always, thanks for posting.

Best,

Eric

#9 Tommy5

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Posted 06 January 2013 - 03:49 PM

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

#10 Aquarellia

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Posted 07 January 2013 - 12:44 AM

Extra Frank, I like how you sketch craters
Michel

#11 frank5817

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Posted 07 January 2013 - 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 :)

#12 Ed D

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Posted 07 January 2013 - 09:07 AM

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

Ed D

#13 JeanB

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Posted 07 January 2013 - 11:25 AM

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

Jean

#14 frank5817

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Posted 07 January 2013 - 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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