NavList:
A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
Re: sunrise/set and twilight calc.
From: John Simmonds
Date: 1997 Feb 11, 11:14 EST
From: John Simmonds
Date: 1997 Feb 11, 11:14 EST
On Mon, 10 Feb 1997 10:11:00 -0600, Pickering, Keith (c) wrote: >Check out: > >Astronomical Formulae for the Calculator >by Peter Duffet-Smith > >Cambridge University Press, 1989(?) > >Designed primarily for the amateur astronomer, but full of useful stuff >for navigators, too. > Even better, 'Astronomical Formulae for Calculators' by Jean Meeus and published by Willman-Bell in Richmond, Viginia Cheers, John ===================================== He who has never been lost is no navigator =====================================
