Astronomical Almanac for the Year 2013 and Its Companion, the Astronomical Almanac Online

Book excerpt: NOTEl NO FURTHER DISCOUNT FOR THIS PRINT PRODUCT- OVERSTOCK SALE- Significantly reduced list price Prepared jointly with Her Majesty's Nautical Almanac Office, United Kingdom Hydrographic Office. Designed in consultation with other astronomers of many countries. Provides current, accurate astronomical data for use in the making and reduction of observations and for general purposes. The Astronomical Almanac Online extends the printed version by providing data best presented in machine-readable form. Online data are provided for several years. Contains data for astronomy, space sciences, geodesy, surveying, navigation, and other applications. Related print products: Updated volume: Year 2016 -- Astronomical Almanac for the Year 2016 is available here: https://bookstore.gpo.gov/products/sku/008-054-00242-1... Almanacs & Navigation Guides resources collection can be found here: https://bookstore.gpo.gov/catalog/transportation-navigation/almanacs-nav... Light Lists product collection can be found here: https://bookstore.gpo.gov/catalog/transportation-navigation/almanacs-nav... U.S. Army Corps of Engineers (USACE) Navigational Charts collection can be found here: https://bookstore.gpo.gov/catalog/transportation-navigation/almanacs-nav... Navigation by Water resources collection is available here: https://bookstore.gpo.gov/catalog/transportation-navigation/almanacs-nav... Other products produced by the U.S. Navy, Naval Observatory (USNO) can be found here: https://bookstore.gpo.gov/agency/927