REDSPEC is an IDL based reduction package that, although designed with NIRSPEC in mind, has also been used to reduce data from other spectrographs. It was written by the folks at the UCLA IR lab. You will need IDL version 5.3 or higher and the IDL astronomical users library.

Text only REDSPEC manual

Manual (without figures) in gzipped postscript format. (55k)

REDSPEC full manual

Full manual (with figures) in gzipped postscript format. (1 MB)

REDSPEC full manual

Full manual (with figures) in pdf format. (892 k)

REDSPEC code

Tar file with IDL REDSPEC procedures. (280k)