The Gemini IRAF package is an external package layered upon IRAF. Therefore sites that wish to use the Gemini IRAF package must first install IRAF. The released version v1.10 has been tested under IRAF 2.14.1.  The minimum requirements is IRAF version 2.12.2a. It is however recommended that user upgrade their system to IRAF 2.14.1. The Gemini IRAF package will not work properly under any earlier versions of IRAF.

The released version 1.10 requires the August 2005 (or later) version of the external package FITSUTIL which is available from the IRAF website (www.iraf.net). All users are encouraged to upgrade to the Gemini IRAF package version 1.10.

The Gemini IRAF package requires that a number of other external IRAF packages are installed at the user's site. The Gemini IRAF package will not load if any of these packages are missing. These packages are listed in the table below. The external packages "nmisc", "gmisc", "fitsutil" and "color" are available from IRAF.net download site. The "stsdas" and "tables" packages are available from the Space Telescope Science Data Analysis System.

It is also required that one of the following image display tools is available: ximtool, SAOimage, SAOtng or ds9.

The Gemini IRAF package v1.10 is known to run on Sun Ultra Workstations running Solaris 5.7, on PCs running Redhat Entreprise Linux 5, and Fedora Core 4 and above, and on Mac OS X 10.4.x and 10.5.x (PowerPC, Intel).  The official pre-release testing was done a 64-bit machine running a 64-bit Redhat Entreprise Linux 5 OS.  The Gemini IRAF package is distributed with binaries for Solaris 5.7/5.8, Linux Redhat 9.0/Fedora Core 4 (compatible with REL and later versions of Fedora), and Mac OS X 10.4 (MacIntel, PowerPC, compatible with 10.5). For other architectures the package has to be compiled. See the installation instructions for details.