Overview

The Air Almanac contains the astronomical data required for air celestial navigation. The CD-ROM contains the same data found in the previously published book. It provides the following data tabulated at 10-minute intervals to a precision of 1 arcminute: the Greenwich hour angle and declination of the Sun, Moon, and three navigational planets; the Greenwich hour angle of Aries; rise and set times of the Moon for a range of latitudes; and other data. Each edition also contains sky diagrams for each month; sunrise, sunset, and twilight tables; and positions of the navigational stars. The data are produced in collaboration between The U.S. Naval Observatory in the U.S. and Her Majesty's Nautical Almanac Office (HMNAO) in the UK. HMNAO maintains the copyright on the material it produces. Related products: Current Year-- Air Almanac 2016 -- CD-ROM format can be found here: https: //bookstore.gpo.gov/products/sku/008-054-00245-5 Astronomical Almanacs and Navigation Guides product collection can be found here: https: //bookstore.gpo.gov/catalog/transportation-navigation/almanacs-nav... Aviation resources collection can be found here: https: //bookstore.gpo.gov/catalog/transportation-navigation/aviation Other products produced by the U.S. Naval Observatory can be found here: https: //bookstore.gpo.gov/agency/927

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9780160932458

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U.S. Naval Observatory and Her Majesty's Nautical Almanac Office collaborate to compute, from fundamental astronomical reference data, the position, brightness, and other observable characteristics of celestial bodies, as well as the circumstances of astronomical phenomena. This information is of critical importance to navigation, military operations planning, scientific research, surveying and everyday activities. The products they produce - publications, software, algorithms, and expertise - are used by the U.S. and British Navy and the other armed services, civilian government agencies, the scientific research community, and the public. Their products are regarded as benchmark standards throughout the world.

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