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Astrophotography and Sketching >> Sketching

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rolandlinda3
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Getting bright--2nd try at an old question new
      #2423640 - 05/27/08 09:39 PM

Sometimes I am just blown away by stars but usually fail to capture their brightness by the time I get through a sketch. I have tried touching up later, using tiny dabs of white correction stuff, pastels, pencils, etc. I have even blackened black paper around a star to provide the accent. Anyone try anything they really like if they want to make a star sing to represent those bright pretty ones when they show off on a good night??

Roland


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rolandlinda3
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Re: Getting bright--2nd try at an old question new [Re: rolandlinda3]
      #2427777 - 05/29/08 08:40 PM

No responses so it must be either a common issue with not solution apparent or I'm the only one with the issue. I will be hunting for solution....probably a liquid solution with some sort of applicator using something bright white or with embedded glass particles. Need something, in any case. Thanks for reading anyway. Roland

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cildarithModerator
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Re: Getting bright--2nd try at an old question new [Re: rolandlinda3]
      #2428878 - 05/30/08 11:12 AM

Hi, Roland

This is indeed a challenge for those sketching white on black paper. White pencils/pastels/chalks etc. simply fail to provide that piercing light as seen by eye. The best solution I ever came up with was a white ink pen that I picked up many years ago at a local stationary/gift card shop (now long gone). I'm not sure I even have the pen any longer - so I can't tell you who made it.

Once I purchased a scanner, though, I've gone back to black on white sketching and not looked back.

I hope that helps (and I hope others will chime in with their own suggestions).

Cheers!

--------------------
Eric
6" f/6 Parks Newtonian
10x50 Bushnell Binocs
CN Sketch Gallery



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atoptics
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Re: Getting bright--2nd try at an old question new [Re: cildarith]
      #2428964 - 05/30/08 11:46 AM

Rushing where angels fear.... Just reminds me of getting a really bright white line on black in solar prom sketching. A very sharp (indeed) Derwent Watercolour pencil held almost vertically does this. Not sure if that has possibilities for stars.

--------------------
Les
Atmospheric Optics
TiltingSun


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rodelaet
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Re: Getting bright--2nd try at an old question new [Re: rolandlinda3]
      #2429653 - 05/30/08 04:18 PM Attachment (7 downloads)

Roland,

I might not be able to help you, cause I render stars on a digital platform. But maybe my approach can give you some ideas for pencil applications as well. The really bright stars are rendered on 3 separate layers. The top layer holds the round star point. The second layer holds a flaring effect, and the 3th layer holds the halo. See the picture below. The right frame shows the final composition of the layers. The goal of this excercise is to add brightness without making starpoints too 'fat'.

--------------------
Rony

My Astronomy Sketches

My Binocular Sketches






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frank5817
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Re: Getting bright--2nd try at an old question new [Re: rodelaet]
      #2430075 - 05/30/08 07:30 PM

Roland,

I can't say I ever found anything that works as well as black (ink, graphite, charcoal) on white paper then scanning and inverting.

Frank


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rolandlinda3
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Re: Getting bright--2nd try at an old question new [Re: frank5817]
      #2432646 - 06/01/08 01:16 AM

More good ideas. Layering does help. I am trying to find a fully manual way that works so the originals keep the lustre I want but the digital techniques are applicable. The only trick I have learned so far is to multi-layer where the first layer is prismacolor pencil because it permits more stuff on top. Pastels (after a bit of work) don't permit anything to be laid upon them so are not a good choice unless they have been taken up a bit to receive something on top. Add a little moisture to the situation and nothing works. I have resorted to applying quick-dry white correction fluid midway in a sketch because it dries fast....then continuing. So far, it is the best choice. But still have not found a bright liquid application for single stars that can produce a fine small point. Will keep experimenting however. Thanks all. Roland

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rodelaet
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Re: Getting bright--2nd try at an old question [Re: rolandlinda3]
      #2432759 - 06/01/08 04:38 AM

Roland,

How about working on a larger scale? The bigger sketch allows for thicker starpoints?

--------------------
Rony

My Astronomy Sketches

My Binocular Sketches






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