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Crater Fracastorius

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#1 frank5817

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Posted 02 January 2012 - 01:56 AM

Crater Fracastorius

Lunation day five has walled plain crater Fracastorius (124 km.) experiencing sunrise on the south edge of Mare Nectaris. The breached wall of the crater and nearby low relief features could be seen here. Northward out into Mare Nectaris is the much younger, small (12 km.) bright rimmed crater Rosse standing alone in this part of the lava sea.


Sketching:
For this sketch I used: black Strathmore 400 Artagain paper 8" x 10", white and black Conte’ pastel pencils, a blending stump, pink Pearl eraser. Contrast was slightly adjusted after scanning.
Telescope: 10 inch f/ 5.7 Dobsonian and 6 mm eyepiece 241X
Date: 12-29-2011 17:00-18:25 UT
Temperature: 2° C ( 36° F)
some thin clouds, calm
Seeing: Antoniadi IV- V poor
Colongitude 329.5 °
Lunation 5.20 days
Illumination 28.5 %

Frank McCabe :)

Attached Thumbnails

  • 4996881-crat Fracastorius.jpg


#2 Asbytec

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Posted 02 January 2012 - 04:19 AM

Frank, one of my favorite craters. Thanks for sketching it.

Cheers,
Norme

#3 Rutilus

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Posted 02 January 2012 - 04:26 PM

Very nice Frank.

#4 JeanB

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Posted 02 January 2012 - 07:49 PM

Very nicely done, Frank!

Jean

#5 Tommy5

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Posted 02 January 2012 - 08:36 PM

Very nice sketch of this cool lunar crator.

#6 Uwe Pilz

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Posted 03 January 2012 - 12:29 AM

Very intersting sketch of Fracastoris. I love the way the deep shadows chages smoothly to dark grey.

#7 frank5817

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Posted 03 January 2012 - 01:02 AM

Norme, Rutilus, Jean and Uwe,

Thank you all for your kind comments on my sketch.
It was a struggle to do this one because the seeing was poor and I did a lot of erasing which is not good when using black Conte' pastel pencil. I should have used a soft black charcoalpencil which is easier to erase and work with under some conditions.

Frank :)

#8 niteskystargazer

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Posted 04 January 2012 - 03:30 PM

Frank,

Very good sketch of Crater Fracastorius :).

CS,KLU,

:thanx:,

Tom

#9 Asbytec

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Posted 04 January 2012 - 07:00 PM

Frank, when are you, Jeff, and Uwe going to join forces and map the moon? :)

I mentioned to someone, Jeff I think, how impressive it is for folks who have the skill and patients to sketch such a difficult object. Of course, the same applies to each of you actively doing moon art.

#10 frank5817

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Posted 04 January 2012 - 09:57 PM

Tom and Norme,

Thank you both.

---
Norme,

Many have tried with great success in the 19th and early 20th century for example.
Here is a great example: http://www.lhl.lib.m...ts/moon/p35.htm

I'll pass this one on to Uwe and Jef. They are much younger than I and have better eyesight too I'll bet.

Frank :)

#11 bogert

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Posted 05 January 2012 - 05:04 AM

Nice sketch.

#12 frank5817

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Posted 07 January 2012 - 09:41 PM

Chris,

Thanks.
I look forward to seeing your next sketch here.

Frank :)


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