Cartes du Ciel

Cartes du Ciel, also known as Sky, is a free, open-source astronomy software that helps users explore the night sky. It provides detailed star maps, enabling you to identify planets, stars, constellations, and deep-sky objects from any location and time. The program can simulate sky views in real time or for specific dates, assisting both amateur astronomers and enthusiasts in planning observations. Its user-friendly interface includes customizable features and extensive catalogs, making it a powerful tool for learning about the universe and enhancing stargazing experiences.