Annales de l'Observatoire royal de Bruxelles. Annales astronomiques 1883

This is the title page of *Annales de l'Observatoire royal de Bruxelles. Annales astronomiques*, published in 1883. The book, printed by F. Hayez, is a collection of astronomical records and observations made at the Royal Observatory of Brussels. The book’s title page features the title in bold font and the publisher’s name at the bottom, highlighting the official nature of the publication and the collaboration between the Observatory and F. Hayez. This work serves as a valuable historical document, offering insights into the scientific activities of the observatory in the 19th century.