Observer le ciel de jour comme de nuit

⚠️ This book is written in French.

This practical guide helps you plan both daytime and nighttime observations, providing everything needed for a successful outdoor session: favourable observation sites, basic equipment, safety precautions, and the scientific concepts required to recognize and decode celestial phenomena. The book describes 100 daytime and nighttime celestial events and comes with sky charts and ephemerides — the indispensable tool for turning every observation into a moment of wonder.