The file gemini_v111_patch1.tar.gz can only be used by those users who already have the latest version of the Gemini IRAF package (v1.11) installed. This file is a gzipped tar file that conains the required source code. Installation instructions are found in the gzipped tar file itself and also in the file gemini_v111_patch1.txt.

In addition, a full, complete release of the Gemini IRAF package v1.11.1 is provided. For those users who use IRAF v2.14, the file gemini_v1111_for_iraf_2.14.tar.gz is required, while the file gemini_v1111_for_iraf_2.15.tar.gz is required for those users who choose to upgrade to the 32-bit version of IRAF v2.15. These files are gzipped tar files that contain the source code and binaries for Redhat/Fedora and Mac OS X Intel operating systems. Installation instructions are found in the gzipped tar file itself and also in the file gemini_readme.txt.