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Re: filmscanners: Stellar ghosts and Nikon Coolscan IVED (LS40)
"Harry Lehto" <hlehto@oj287.astro.utu.fi> wrote:
> When I scan an image containing black sky and bright stellar images with a
> Nikon Coolscan IVED (=LS40) , then close to the edge of the field every
> bright (saturated) stellar image has a faint ghost image separated from
> the main image (by 20- 40 pixels).
Dumb question; I presume they aren't in the source image as reflections
in the telescope elements? I get similar ghost images when I photograph
the moon.
Otherwise presumably they must be reflections in the lens elements of the
scanner. :-7
Rob
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