The Lyon Observatory, officially known as Observatoire de Lyon, is an astronomical research facility located in Lyon, France. Established in 1878, it is part of the University of Lyon and focuses on various fields of astronomy, including astrophysics and planetary science. The observatory is equipped with advanced telescopes and instruments that support both observational and theoretical research. In addition to its research activities, the Lyon Observatory plays a role in public outreach and education. It offers guided tours, workshops, and events to engage the community and promote interest in astronomy. The observatory also collaborates with other institutions and participates in international research projects.