Phil Somerville has been teaching Celestial Navigation for nearly a decade to RYA Ocean and MCA Superyacht candidates in the UK, Spain, Italy and France (at numerous RYA & MCA training centres). Teaching in the winter months, in the summer he has worked on the likes of Skip Novak's Patagonia-based Pelagic Australis (a 23-metre expedition vessel designed for high latitude sailing).
A book for the highly competent navigator...but also for those who feel a headache at the very sight of astro-navigation tables... The reader who set out to do only the minimum finds herself imperceptibly beginning to wonder what she did with that old sextant she put away in despair long ago. -- Julia Jones * Yachting Monthly * The author guides the reader through the subject, demystifying the aspects hat have stymied many would-be practitioners over the years. * Classic Boat *