Remove residual sky features from SDSS spectra

IMPORTANT UPDATE NOVEMBER 2010: THE FULL SDSS DR7 GALAXY AND QSO SKY-SUBTRACTED SPECTRA ARE AVAILABLE FOR DOWNLOAD. See the instructions for download on astro-ph.

The code available with this publication is available here, with this package you will be able to remove the OH sky residuals from all SDSS **DR4** spectra. It comes with absolutely no guarantee, please contact me with any bugs.

Please cite this paper if you use our code: Paul Hewett, Vivienne Wild, 2007, MNRAS, 379, 738, ADS