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A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
Re: sunrise/set and twilight calc.
From: Keith Pickering
Date: 1997 Feb 10, 11:11 EST
From: Keith Pickering
Date: 1997 Feb 10, 11:11 EST
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. Keith Pickering ---------- From: RSHER To: navigation@XXX.XXX Subject: sunrise/set and twilight calc. Date: Monday, February 10, 1997 8:30AM Does anyone know the simple formula for calculating sunrise or set and times of nautical and civil twilight. regards Russell -- rsher@XXX.XXX
