Scott Gomez wrote:
>The problem would be getting it to match up well. I've got to think this
>can't be so hard, but it's beyond my Photoshop skills. It's sort of like the
>inverse of a vignette... Seems like someone should have done it by now, but
>I'm not finding anything in a Google search, either.
Shot a grey card or northern sky; scan that. Bring into PhotoShop and
turn it into a negative and do the add layers operation. I'm not all
that familiar with PhotoShop; but I've read this technique in the
AstroPhoto mailing lists. It is common with astrophotos.
Bill Biesele
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