Cassiopeia by Sydney Prior Hall Canvas PrintCassiopeia by Sydney Prior Hall is a meticulously detailed canvas print that brings the classic elegance of 19th century celestial cartography into the modern home. Originally appearing as Plate 3 in the celebrated Urania's Mirror (1824), this illustration depicts the mythological queen seated upon her celestial throne, surrounded by the primary stars of her constellation including Schedir and Caph. This astronomical wall art serves as a sophisticated