Celestial Course Materials

Work forms Work forms Work forms Work forms Work forms Work forms Work forms
Printable Starpath work forms, with instructions Printable universal plotting sheets

Sight Reduction tables to download

Pub 249, Vol 2 and 3

Pub 249 Vol 1 (from Celestaire, publisher of the printed version)

Pub 229, all volumes

NAO Tables (also available in any printed Nautical Almanac and in Kolbe's Long Term Almanac)

Star Chart Navigation Calculators Table Selections Bowditch on Cel Nav


Errata to second edition (first printing)    errata to latest printing

Free Nautial Almancs to download.
It is the users responsibilty to check these before departure. You can use www.starpath.com/usno to get to a place with accurate values

Almanacs from SV Inua (full copies of current, past, or future years)
thenauticalalmanac.com (this might be the same data, but with convenient links to related tables, plus a spread sheet for sight reducution... none checked by us.)
Tecepe offers way to make your own specific pages, 3 days at a time.
www.fer3.com offers accurate data for all bodies one day at a time (need corrections and star dec, sha from other sources)

Excellent way to check intermediate steps from any sight reduction method: Celestial Tools by Stan Klein  (plus other useful cel nav resources)

Time signal information from Pub 117   see also this note from USNO on UT

• Celestial Navigator's Dream Machine from USNO (our shortcut link: www.starpath.com/usno) includes online Almanac data for specific time and place

USNO Supplement to the Almanac (much interesting information)

• Read About the Starpath Online Celestial Course

Contact the author

Index to ION compilation of articles on cel nav

Navigation Foundation Newsletter articles on Navigation


Books on celestial navigation from Starpath  (also available as ebooks)