Nautical Almanac 2008 is a standard resource used by mariners for celestial navigation. It contains hourly astronomical data for the Sun, Moon, planets, and stars to help determine a vessel's position at sea. archive.ukho.gov.uk Direct Access to 2008 PDF Versions

The Nautical Almanac is a government publication

A critical note before downloading: (in the US and UK) and is not protected by traditional copyright for commercial resale. However, many third-party sites repackage it. The safest, legal sources are government archives and educational repositories.

A. Official Government Archives

• Use the almanac’s index and front-matter explanations before using data — many useful notes and correction rules are described there.
• If scanning is poor: increase contrast or use OCR tools that preserve table structure.
• For repeated navigational calculation, convert needed tables into a spreadsheet (verify conversions carefully).
• When comparing astronomical data across years, be mindful of leap seconds and time-scale differences that can affect precise timings.

The Nautical Almanac 2008 is a publication by the United States Naval Observatory that provides astronomical data for navigation. Here's a comprehensive overview:

Who should use it

Key Features of the 2008 Edition

Do use it if: