Johann Palisa [SEP] occupation
Johann Palisa
Johann Palisa (December 6, 1848 – May 2, 1925) was an Austrian astronomer, born in Troppau, Austrian Silesia, now Czech Republic. He was a prolific discoverer of asteroids, discovering 122 in all, from 136 Austria in 1874 to 1073 Gellivara in 1923. Some of his notable discoveries include 153 Hilda, 216 Kleopatra, 243 Ida, 253 Mathilde, 324 Bamberga, and the near-Earth asteroid 719 Albert. Palisa made his discoveries without the
at 12:56 UT at 9.93 km/s, returning imaging and other instrument data including over 500 images which covered 60% of Mathilde's surface. Only a small number of minor planets have been visited by spacecraft.
Palisa made all of his asteroid discoveries visually. Even though Max Wolf had revolutionised the process of asteroid discovery by introducing photography in the 1890s, Palisa continued to trust on visual observations. His final discovery, 1073 Gellivara, was the last asteroid that was found visually. Johann Palisa remains the most successful