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Arturo Chiesa is a Doctor in Physics, graduated at Milano University and his son Raffaele is an Electronic Engineer from Milano Polytechnic University.
For more than thirty years Arturo and Raffaele have been working in the fields of celestial navigation and elementary astronomy. They give seminars and lectures on celestial navigation and elementary astronomy in Italy and Switzerland and they lead stages on sailing yachts along the main routes of the Mediterranean Sea and beyond.
Arturo and Raffaele's aim has always been the creation of calculation and graphical software with a view to greatly simplifying the work of yachtsmen and astronomy hobbyists. Some good friends of them, ocean navigators, currently use their programs and they have always appreciated their suggestions and feedback.