The IDL Astronomy User's Library
The IDL Astronomy Users Library is a central repository for low-level
astronomy software written in the commercial language
The Library is not meant to be an integrated package, but rather is a
collection of procedures from which users can pick and choose (and possibly
modify) for their own use.
Submitted procedures are given a cursory testing,
but are basically stored in the Library as submitted.
Instrument-specific software is generally not
included in the IDL Astronomy Library, but can be found at the
Links to Other Astronomy and IDL related sites.
The entire contents of the Library can be downloaded in a tar file or in a .zip file
the download site . Additional
software, not included in the tar files, is available in a
Individual procedures can be copied by browsing through a list of
one-line descriptions. Changes to the contents of the Library are
recorded in a news
Documentation is available describing the various options for working with
FITS data in IDL.
The IDL Astronomy Library requires at least IDL V6.1.
However, separate (frozen) versions of the Library that work with earlier
versions of IDL are available at the
The success of the IDL Astronomy User's Library depends on the willingness
of users to give as well as take. Please inform Wayne Landsman of any
possible contributions to the Library, programming bugs or documentation
errors, or of relevant web sites.