May 28, 2017

Determine Your Longitude: the Lunar Eclipse Method Part I

We’re back now with a new look! Hopefully, it’s less of an eyestrain for our loyal legion of readers… and just in time for this months’ Lunar Eclipse!

Getting an accurate fix on your position has long been a bane of the world traveler. Long before Global Positioning Systems, a way was sought for navigators to calculate their location using the stars. Latitude was easy enough; in the Northern Hemisphere, you simply have to measure the angle of Polaris, also known as the North Star, above the horizon. [Read more...]