>>> Don't forget too, that solar noon varies quite a bit (minutes) from >>> "mean solar time" over the year. If you're navigating your ship with >>> noon sun sights, this is pretty important. >> >>What do I google for if I want that correction? > > This is known as the Equation of Time.
I noticed that Physics Today this month has an article: <On ships, trains, and the equation of time> http://link.aip.org/link/PHTOAD/v61/i11/p76/s1/pdf http://ptonline.aip.org/journals/doc/PHTOAD-ft/vol_61/iss_11/76_1.shtml For equation-of-time-nuts, the article references this wonderful 49-page paper: <The Analemma for Latitudinally-Challenged People> http://www.math.nus.edu.sg/aslaksen/projects/tsy.pdf /tvb _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
