Daniel Rooke was an Australian astronomer known for his contributions to the field of astronomy in the 19th century. He was particularly recognized for his work on the Royal Observatory in Sydney, where he conducted various observations and studies related to celestial bodies. Rooke's research included the observation of comets and the study of stellar phenomena. His efforts helped advance the understanding of astronomy in Australia during a time when the field was still developing. Rooke's legacy is remembered for his dedication to scientific inquiry and his role in promoting astronomy in the region.