In a message dated 5/10/2001 3:20:02 AM EST, [EMAIL PROTECTED] writes: > 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). All the ghost images are on the > "outside". These are not present in the center 1/3 by 1/3 of the field. > Multiscanning with vuescan appears to make these features more striking > because it reduces the background noise but not > these images. The CCD might be over-exposed near the star, causing CCD charge bleeding. It might also be some kind of optical side effect. Try turning off "Device|Auto exposure" and set "RGB exposure" to 1.0. Regards, Ed Hamrick
- Re: filmscanners: Stellar ghosts and Nikon Coo... Harry Lehto
- Re: filmscanners: Stellar ghosts and Nikon... Steve Greenbank
- RE: filmscanners: Stellar ghosts and Nikon... shAf
- RE: filmscanners: Stellar ghosts and N... Harry Lehto
- filmscanners: the "Lehto&quo... shAf
- RE: filmscanners: Stellar ghosts ... Julian Robinson
- Re: filmscanners: Stellar ghosts ... Arthur Entlich
- Re: filmscanners: Stellar ghosts ... Herm
- Re: filmscanners: Stellar ghosts and Nikon Coolsca... Arthur Entlich
- Re: filmscanners: Stellar ghosts and Nikon Coolscan IVE... Ryan K. Brooks
- Re: filmscanners: Stellar ghosts and Nikon Coolscan IVE... EdHamrick
- Re: filmscanners: Stellar ghosts and Nikon Coolsca... Julian Robinson
- RE: filmscanners: Stellar ghosts and Nikon Coolscan IVE... Hemingway, David J
- Re: filmscanners: Stellar ghosts and Nikon Coolscan IVE... EdHamrick
- Re: filmscanners: Stellar ghosts and Nikon Coolscan IVE... EdHamrick
- Re: filmscanners: Stellar ghosts and Nikon Coolscan IVE... Roger Smith