The Astronomical Almanac^[1] is an almanac published by the United States Naval Observatory and Her Majesty's Nautical Almanac Office, containing solar system ephemeris and catalogs of selected stellar and extragalactic objects.

The Explanatory Supplement to the Astronomical Almanac provides detailed discussion of usage and data reduction methods used by the Almanac^[2].

Contents 1 Publication history 2 See also 3 References 4 External links

[edit] Publication history

" The Astronomical Almanac is the direct descendant of the British and American navigational almanacs. The British Nautical Almanac and Astronomical Ephemeris had been published since 1766, and was renamed The Astronomical Ephemeris in 1960. The American Ephemeris and Nautical Almanac had been published since 1852. In 1981 the British and American publications were combined under the title The Astronomical Almanac."^[3]

[edit] See also

• American Ephemeris and Nautical Almanac (specific title)
• Astronomical Ephemeris (generic article)
• Almanac (generic article)
• Nautical almanac (generic article)
• The Nautical Almanac (familiar name for a specific series of (official British) publications which appeared under a variety of different full titles for the period 1767 to 1959, as well as being a specific official title (jointly UK/US-published) for 1960 onwards)^[2][4]

[edit] References

1. ^ Astronomical Almanac for the Year 2007, (United States Naval Observatory/Nautical Almanac Office, 2006).
2. ^ ^{a b} P. K. Seidelmann (editor), Explanatory Supplement to the Astronomical Almanac (University Science Books, New York, 1992).
3. ^ "History of the Astronomical Almanac." United States Naval Observatory.
4. ^ Explanatory Supplement to the Astronomical Ephemeris and the American Ephemeris and Nautical Almanac, (1961) ('ESAE 1961'), a joint publication of the Nautical Almanac Offices of the UK and USA; esp. sect.1B.

[edit] External links

• The Astronomical Almanac Online (official publication online at US Naval Observatory)

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