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It was primarily for lunars. Araraquara, SP Outros Clubes: Yachtsman’s Edition” is licensed for sale by independent publishers: The list of 57 navigational stars in the AmNA and the AbNA the list of “selected stars” reaches its final modern form. Unlike the appendix in the British almanacs, this appendix offered no advice on clearing a distance.
Alvorada do Sul, PR Carreira: Sud Menucci, SP Carreira: Barra Mansa, RJ Carreira: French lunar distance tables again copied in part? The British almanac continues with different bindings and covers and also includes advertisements.
Browse Files Drop Files. Planet distances and “PL difference” added to lunars tables. Identical in primary content to the NA but with occasional brief articles and additional tables and sight reduction forms.
The Spanish “Almanaque Nautico” which had evolved into a publication primarily used by astronomers was renamed the “Efemerides Astronomicas” paralleling changes in the American and British publications. An appendix explained how to calculate predicted lunar almqnaque and clear them using a variant of Airy’s method until and through in the Abridged Nautical Almanac.
Commercial Edition”, licensed for sale by Paradise Cay Publications.
HMNAO Astronomical Data Portal
Improved method of finding the error and rate of a chronometer by equal altitudes. Many tables of interest to astronomers rather than seagoing navigators from this date. Nova Londrina, PR Carreira: All times in apparent time. Spanish Nautical Almanac name simplified to “Almanaque Nautico”. The appendix on calculating lunar distances is no longer included.
Sumulas-Tchê – Almanaque
Lu, The history of the English-language Nautical Almanacs can be viewed as the story of two publications becoming four, and those four later merging to become two again.
The majority of the features of the new unified almanac are derived from the American almanac. Until at leastFrench lunar distance tables and other almanac data were only published about one year in advance rendering the French almanac less relevant to long ocean voyages. Santa Rosa, RS Carreira: Appendix on calculating geocentric lunar distances is finally dropped two years after AmNA.
NavList: Re: History of the Nautical Almanac ()
Mafra, SC Outros Clubes: Included lunar distance tables for Sun-Moon lunars only. Canoinhas, SC Outros Clubes: Arroio dos Ratos, RS Carreira: Pato Branco, PR Carreira: The two new navigational stars added to the former list of 55 are El Nath and Alkaid. Chauvenet’s tables for correcting lunar distances same as Beginning of regular publication of US “Air Almanac”.
Dois Vizinhos, PR Carreira: This change followed the experimental publication of the “Air Almanac” with extensive GHA tables a year earlier. Senhor do Bonfim, BA Carreira: Arroio Grande, RS Carreira: Campos dos Goytacazes, RJ Carreira: Appendix by Chauvenet this year: The star numbers are not considered permanent and stars shift on the list due to additions and also precession.
Passo Almanaqu, RS Carreira: Significant revision of the AmNA. The almanac was published by the Board of Longitude under the personal direction of Nevil Maskelyne.
Other countries began publishing almanacs for use by aviators in the late s. Bicentennial edition of “The Nautical Almanac”.
What is New?
Rio Claro, SP Carreira: Precursor of Sumner’s method. Cachoeira do Sul, RS Carreira: Beginning of publication of the French “Ephemerides Nautiques” [possibly without this title], designed for mariners, alongside the astronomically-oriented “Connaissance des Temps”. Porto Alegre, RS Carreira: Juiz de Fora, MG Carreira: Beginning of close international aljanaque among the almanac offices of the US, Britain, France, Germany, and Spain.
Sight reduction almaaque added to “The Nautical Almanac”. The origin of the British “Nautical Almanac and Astronomical Ephemeris”, the first almanac widely used by mariners at sea.
Alexandria, RN Outros Clubes: