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Astrophotography and Sketching >> Sketching

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youngamateur42
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Reged: 11/21/12

Loc: La Verne, CA
When you mess up
      #6106821 - 09/29/13 12:43 AM

When you are making star points in a field and you mess up (meaning put the star in the wrong place) what do you do? Just start over? I can't imagine that white out would look very good. I was making an M37 sketch with a lot of stars and messed up

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stray1
sage


Reged: 09/03/12

Loc: SW Ohio
Re: When you mess up new [Re: youngamateur42]
      #6106930 - 09/29/13 03:52 AM

Justin,

What is happening that prevents you from erasing the errant mark and repositioning it properly?


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youngamateur42
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Reged: 11/21/12

Loc: La Verne, CA
Re: When you mess up new [Re: stray1]
      #6107023 - 09/29/13 07:45 AM

The reason is that it is an ink pen

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starquake
sage


Reged: 02/02/08

Loc: Nádasdladány
Re: When you mess up new [Re: stray1]
      #6107028 - 09/29/13 07:53 AM

If I make an error, I usually simply cross the star with a tiny line, and remove it later from the scanned sketch digitally. I rarely erase these with an eraser as I find that its better to have a clearly marked error on the sketch than to have a faint nebula created by erasing the errant star.

But usually if I make too many errors (let's say 4 plus stars at wrong position) then I usually start over.


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stray1
sage


Reged: 09/03/12

Loc: SW Ohio
Re: When you mess up new [Re: youngamateur42]
      #6107769 - 09/29/13 03:47 PM

Justin,

Are you using pen and ink while at the EP, or do you make a pencil sketch and then ink it in?

-s-


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azure1961p
Postmaster
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Reged: 01/17/09

Loc: USA
Re: When you mess up new [Re: stray1]
      #6108080 - 09/29/13 07:46 PM

Do the rough outside in pencil. Do the finished piece inside.

Pete


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youngamateur42
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Reged: 11/21/12

Loc: La Verne, CA
Re: When you mess up new [Re: azure1961p]
      #6108272 - 09/29/13 09:47 PM

I did rough in number 2 pencil. The sketch I messed up is the final one, I messed up the ink on a very rich stat cluster that takes a long time to do. I apologize for not clarifying exactly what the problem was. I am wondering if there is a way that anyone has been able to "save" their sketches like these, which are presented on white paper in a binder

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azure1961p
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Reged: 01/17/09

Loc: USA
Re: When you mess up new [Re: youngamateur42]
      #6108525 - 09/30/13 12:54 AM

Well you could scan or shoot it and correct it in photoshop or gimp and produce a photo-quality print and call it done. Frame it or whatever. Infact you may find this photo editing allows for tweaking that's not practical in other ways.

Pete

Edited by azure1961p (09/30/13 12:55 AM)


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stray1
sage


Reged: 09/03/12

Loc: SW Ohio
Re: When you mess up new [Re: azure1961p]
      #6108597 - 09/30/13 02:09 AM

Quote:

Well you could scan or shoot it and correct it in photoshop or gimp and produce a photo-quality print and call it done. Frame it or whatever. Infact you may find this photo editing allows for tweaking that's not practical in other ways.

Pete




+1


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youngamateur42
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Reged: 11/21/12

Loc: La Verne, CA
Re: When you mess up new [Re: stray1]
      #6108983 - 09/30/13 10:06 AM

Thats a really great idea, never thought of doing that before, thanks guys!

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Ed D
Carpal Tunnel
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Reged: 04/30/10

Loc: Sunny South Florida
Re: When you mess up new [Re: youngamateur42]
      #6109940 - 09/30/13 08:17 PM

Would anyone else notice the errant star in the sketch?

Ed D


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youngamateur42
Pooh-Bah
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Reged: 11/21/12

Loc: La Verne, CA
Re: When you mess up new [Re: Ed D]
      #6109965 - 09/30/13 08:31 PM

No, but I like to have my sketches as accurate as possible

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Ed D
Carpal Tunnel
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Reged: 04/30/10

Loc: Sunny South Florida
Re: When you mess up new [Re: youngamateur42]
      #6109978 - 09/30/13 08:37 PM

I can understand that. I have lost track of how many otherwise good sketches I have trashed for the very same reason.

Ed D


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ErixAdministrator
Toad Lily
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Reged: 12/25/04

Loc: Texas, USA
Re: When you mess up new [Re: Ed D]
      #6115079 - 10/03/13 12:37 PM

I use a pen for the brightest stars, but regardless if I use pen or pencil, I don't erase erroneously placed stars. I do as starquake does - place a small X over the star and remove it on the scanned copy. Even stars made with a pencil will leave a small indent in your paper, making it very difficult to remove cleanly by erasure.


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Louietheflyisme
professor emeritus


Reged: 06/17/13

Loc: Australia
Re: When you mess up new [Re: azure1961p]
      #6117817 - 10/04/13 07:00 PM

Quote:

Well you could scan or shoot it and correct it in photoshop or gimp and produce a photo-quality print and call it done. Frame it or whatever. Infact you may find this photo editing allows for tweaking that's not practical in other ways.

Pete




That's what I do. Make a sketch in pencil when I'm at the EP and then scan/photograph it onto my computer and then either trace it again or edit it directly in PS- this also enables me to invert the colours so I have a black background.


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