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Astrophotography and Sketching >> Sketching

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Carpal Tunnel

Reged: 01/19/08

Loc: Portland Oregon
Re: Thursday Night Mars: February 11, 2010 new [Re: frank5817]
      #3626644 - 02/15/10 04:49 PM


Excellent sketches of Mars! Excellent information and report

I wish I could see the details you are recording. Your sketches are really inspiring as we are finally seeing clearing again here in Portland. Did I miss what medium you used to colorize your later work? Is it colored pencils or pastel chalks? I'd like to hear about your use of the colored medium that you used here.

Thanks again for posting and sharing your excellent sketch work.

Also thanks to Carlos for the well labeled information again.


Edited by markseibold (02/15/10 05:40 PM)

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Reged: 06/13/06

Loc: Illinois
Re: Thursday Night Mars: February 11, 2010 new [Re: markseibold]
      #3627345 - 02/15/10 11:51 PM

Carlos, Bill and Mark,

Thank you all for your remarks about my sketch. And Carlos thank you once again for your superb labeling of the major features.
Mark - To answer your question, I sharpened orange,light brown, yellow and light blue color pencils and then using a sharp knife I shaved measured amounts of each on to an index card blending and adding more shavings until I got the color mixture I wanted. I applied this mixture with my index finger to the paper and then sketched in the albedo features using a HB graphite pencil and a blending stump.
I cannot use color pencils directly and get an even blend but this way I used seems to work for me.
I know many sketchers like to use colored pastel pencils but my experience with colored pastels is so far very limited.


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