Evaluation of the Nikon Coolscan 9000 ED Film Scanner for Astronomical Research

Details Evaluation of the Nikon Coolscan 9000 ED Film Scanner for Astronomical Research Evaluation of the Nikon Coolscan 9000 ED Film Scanner for Astronomical Research

Aug 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009aspc..410..128s&link_type=abstract

Preserving Astronomy's Photographic Legacy: Current State and the Future of North American Astronomical Plates. ASP Conference S

Astronomy and Astrophysics

Astronomy

Scientific paper

Photographic glass plates can be digitized using scanners designed primarily for photographic film. The relatively inexpensive Nikon Coolscan 9000 ED consumer-level medium-format film scanner was found to have better than 1 μm positional accuracy along its translational axis, and a near linear response for a density range of over 3.0. With its ability to completely digitize a 57 x 84~mm region at 4000 dpi (6.35 μm/pixel) in just 3 minutes, this scanner appears to be a viable substitute for our ailing PDS 1010A microdensitometer and should be of interest to others with plate materials no larger than 190 x 57 mm.

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