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The Astronomical Almanac [1] is an almanac published by the United Kingdom Hydrographic Office; it also includes data supplied by many scientists from around the world.On page vii, the listed major contributors to its various Sections are: H.M Nautical Almanac Office, United Kingdom Hydrographic Office; the Nautical Almanac Office, United States Naval Observatory; the Jet Propulsion Laboratory ...
Almanac data is now available online from the US Naval Observatory. [3] [4] Also commercial almanacs were produced that combined other information. A good example would be Brown's, which commenced in 1877, and is still produced annually, its early 20th-century subtitle being "Harbour and Dock Guide and Advertiser and Daily Tide Tables".
Two sample pages of the 2002 Nautical Almanac. The Nautical Almanac has been the familiar name for a series of official British almanacs published under various titles since the first issue of The Nautical Almanac and Astronomical Ephemeris, for 1767: [1] this was the first nautical almanac to contain data dedicated to the convenient determination of longitude at sea.
Its data was originally calculated by human "computers", such as Chauncey Wright and Joseph Winlock. Between 1855 and 1881 it had two parts, the first for the meridian of Greenwich contained data on the Sun , Moon , lunar distances , Venus , Mars , Jupiter , and Saturn , which was published separately as The American Nautical Almanac .
People now have access to better lunar data because of improved technology the US Naval Observatory exploits and also because of the availability of, and improvements to, GPS technology. These new technologies have allowed solunar theory to generate hunting and fishing times with much greater precision.
The United States Naval Observatory (USNO) is a scientific and military facility that produces geopositioning, navigation and timekeeping data for the United States Navy and the United States Department of Defense. [2]
His Majesty's Nautical Almanac Office (HMNAO), now part of the United Kingdom Hydrographic Office, was established in 1832 on the site of the Royal Observatory, Greenwich (ROG), where The Nautical Almanac had been published since 1767. HMNAO produces astronomical data for a wide range of users, such as astronomers, mariners, aviators, surveyors ...
The lunar prediction program (or SUPARCO New Moon prediction programme) is an active scientific mission of the SUPARCO aims to conduct studies and predicts the appearances and phases of the Moon. [ 1 ] [ 2 ] On a regular and monthly basis, SUPARCO provides illustrative predictions for the visibility and the parameters for the sighting of the ...