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Astrophotography and Sketching >> Sketching

Pages: 1
cpl43uk
sage


Reged: 02/09/08

Loc: Bristol, UK
Grimaldi
      #4555589 - 05/01/11 06:18 PM

OK. Here is my sketch of Grimaldi, observed on 16th April. As usual I am using the Nexstar 8SE. Hope you like



and with notes



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Rutilus
Carpal Tunnel


Reged: 12/17/10

Re: Grimaldi new [Re: cpl43uk]
      #4555868 - 05/01/11 08:37 PM

Chris - Another excellent Lunar.

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frank5817
Postmaster
*****

Reged: 06/13/06

Loc: Illinois
Re: Grimaldi new [Re: Rutilus]
      #4556240 - 05/01/11 11:44 PM

Chris,

Another beautiful catch. Looks even better on the terminator than at high sun.
Well done.

Frank


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Jef De Wit
Carpal Tunnel


Reged: 03/06/09

Loc: Hove, Belgium
Re: Grimaldi new [Re: frank5817]
      #4557286 - 05/02/11 02:29 PM

Fine sketch! How much time do you spent sketching on the EP and how much on making the digital sketch?

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cpl43uk
sage


Reged: 02/09/08

Loc: Bristol, UK
Re: Grimaldi new [Re: Jef De Wit]
      #4557669 - 05/02/11 06:16 PM

Jef -it's becoming pretty much the same for all the fiddly sketches (ie Grimadi and Pythagoras in the latest batch); namely 30-40 mins at the scope (I now take more notes than my earlier efforts -perhaps at some point I'll try a camera image thru the eyepeice for additional info). Then its 5-10x that on the tablet, mainly because I have probably not picked up the photoshop shortcuts. I find I get quicker with the second sketch if this follows the first in short order. However leave it a few months and I forget the menu routines! I scan the sketch, enhance the levels (to see all my pencil drawn lines and annotations) then I outline all the features and save as a base layer. To this I add layers for each feature (rills, floor, mountains, shadow, highlights, surface) and when I am happy I go through the whole scene blurring the lines between these layers - this takes the most time - as I prefer this to doing an "overall blur". Then I add a screen for the gradient (underlying surface detail) then transfer it to the notes template and annotate...all takes time vs the old pencil!

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