GNU Astronomy Utilities

Last updated November 27, 2025

GNU Astronomy Utilities book (manual, documentation) is available in the following formats:

• HTML (5088K bytes) - entirely on one web page.
• HTML - with one web page per node.
• HTML compressed (1052K gzipped characters) - entirely on one web page.
• HTML compressed (1220K gzipped tar file) - with one web page per node.
• Info document (968K bytes gzipped tar file).
• ASCII text (3340K bytes).
• ASCII text compressed (928K bytes gzipped).
• TeX dvi file (1600K bytes gzipped).
• PDF file (4360K bytes).
• Texinfo source (872K bytes gzipped tar file).

You can buy printed copies of some manuals (among other items) from the Free Software Foundation; this helps support FSF activities.

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