spectro.princeton.edu
Princeton/MIT SDSS Spectroscopy Home PagePrinceton/MIT SDSS Spectroscopy Home Page. Link to imaging data.). This page should get anyone started using the SDSS spectra within minutes. There are instructions for anyone to get the publicly-available data. Or for SDSS collaborators to get the still-proprietary data. This page describes tools to view, query and use these data using IDL, SuperMongo or IRAF. There are also summary ASCII files. That contain positions, magnitudes, classification information, and redshifts. Getting the Reduced Data.
http://spectro.princeton.edu/