Johann Palisa
Austrian astronomist (1848–1925)
Summary
Updated 2026-05-29
Palisa spotted 122 asteroids by eye between 1874 and 1923—more than anyone else using visual observation alone. The Austrian astronomer's haul included 243 Ida and 216 Kleopatra, making him the gold standard of pre-photography asteroid hunting.
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Johann Palisa 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 aid of photography, and he remains the most successful visual (non-photographic) asteroid discoverer of all time. He was awarded the Valz Prize from the French Academy of Sciences in 1906. The asteroid…
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