2015 through 2017
Essential Celestial Navigation downloads
Increments & Corrections for the Sun (on 2 pages)
Increments & Corrections for Sun, Planets, Aries, Moon (the "yellow pages")
Explanation of The Nautical Almanac Daily pages
PUB. NO. 249 Vol. 1- 2015 (size- 180 meg) (courtesy of Celestaire)
PUB. NO. 249 Vol. 2
PUB. NO. 249 Vol. 3
PUB. NO. 229
ALTITUDE CORRECTION TABLES 10°--90°—SUN,STARS,PLANETS
Altitude Correction Tables for the Moon
Polaris- Correction for (Q) (2017)
TABLE 4- GHA and Declination of the Sun for the Years 2001 to 2036
TABLE 4- Long Term GHA Aries
TABLE 5- Correction to Tabulated Altitude for Minutes of Declination
TABLE 3- Conversion of Arc to Time
Navigational Star Chart
2016 Navigational Stars SHA & Dec
2017 Navigational Stars SHA & Dec
The Air Almanac- 2016 (be patient- it's 900 pages)
The Air Almanac- 2017
Universal Plotting Sheet
Celestial Navigation Forum
Discuss and learn about Celestial Navigation.
All are welcome!
‣ Complete Sun & Star sight reduction Procedure
‣ Methods & Forms
‣ Celestial Navigation Formulas
‣ Useful Links
‣ Sun Sight Reduction Excel Spreadsheet
A Sun sight reduction program! From BackBearing.com
‣ Complete Celestial Sight Reduction Excel Spreadsheet
Covers all navigational bodies.
‣ Complete Celestial Sight Reduction Spreadsheet in ODS format
Covers all navigational bodies. Can be used in LibreOffice Calc.
American Practical Navigator
The complete work & various selections
Disclaimer and Warning
Prior to use verify the accuracy of The Nautical Almanac or data you download from this site. They SHOULD NOT and MUST NOT be relied upon for celestial navigation work of any sorts or any purpose whatsoever. You use them at your own risk or peril.
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The Nautical Almanacs and Sun Almanacs listed at the top of our site were created or derived from a program written by the great Norwegian sailor Enno Rodegerdts. Without his work this site wouldn't exist.