The quick-look reduction package for IRAF was upgraded to version 2.4 which includes a script to correct raw data for non-linearity, as well as an upgrade of the reduction scripts which now have the capacity to do (optional) Wide-Field camera distortion correction. For more info see:
http://www.not.iac.es/instruments/notcam/guide/observe.html#reductions
The reduction package is now made available for download.