How it works taking a noon sight

When I took my first brick-like Magellan GPS receiver out of its box back in the mid-1990s, I was in Wick, NE Scotland. The fog was thick enough to walk on. Filled with a confidence I had never had be

Mark Bailey is a freelance writer who has written for The Observer, The Times and National Geographic. marksbailey.com Many people rely on GPS apps to explore new landscapes, but with natural navigati

As the sailing season gets underway here in Greece, everyone is keen to watch the harbour cinema on display every evening. Flot crews across the Med dust off wing mirrors and re-position fenders, nerv

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COLLISION AVOIDANCE

BEST TIME TO SEE: Nights of 9/10, 10/11 and 11/12 July A full Moon occurs when the Moon is opposite the Sun in the sky or, in other words, when its ecliptic longitude is 180° from the Sun. The eclipti