Johann Palisa
An astronomer with a peerless eye, who discovered over a hundred asteroids the hard way, staring through a telescope without the aid of photography.
1848–1925 (age 77)·Austrian astronomer·Birthday: December 6
Biography
In an age before automated sky surveys, Johann Palisa was a master craftsman of the cosmos. Working from observatories in Pola and Vienna in the late 19th and early 20th centuries, he embarked on a singular, patient quest: to find and catalog the small, wandering worlds of the asteroid belt. His tool was the telescope, and his method was sheer visual acuity. Night after night, he would meticulously scan star fields, looking for the faint points of light that moved against the fixed backdrop. This painstaking work led him to discover 122 asteroids, a record for any visual astronomer that still stands. His discoveries were not just numbers; he found intriguing bodies like 216 Kleopatra, a metallic dog-bone-shaped asteroid, and 243 Ida, which was later visited by the Galileo spacecraft. Palisa’s career was a testament to the power of human observation, creating a foundational map of the solar system that guided the photographic era that followed.
#1 When Johann Was Born
The biggest hits of 1848
Johann's Life & Times
The world at every milestone
1848Born
1853Started school
1861Became a teenager
President: Abraham Lincoln
1864Could drive
President: Abraham Lincoln
1866Could vote
President: Andrew Johnson
1869Turned 21
President: Ulysses S. Grant
1878Turned 30
President: Rutherford B. Hayes
1888Turned 40
President: Grover Cleveland
1898Turned 50
Spanish-American War; US emerges as a world power
President: William McKinley
1908Turned 60
Ford Model T goes into production
President: Theodore Roosevelt
1918Turned 70
World War I ends; Spanish flu pandemic kills millions
President: Woodrow Wilson
1925Died at 77
The Scopes Trial debates evolution in schools
Home: $4,366President: Calvin Coolidge"Sweet Georgia Brown" — Ben Bernie
Key Achievements
- Discovered 122 asteroids through visual observation alone, a record for a non-photographic astronomer.
- Created the 'Palisa Catalogue' of star positions, a key reference for astronomers.
- Discovered the near-Earth asteroid 719 Albert in 1911.
- Awarded the Valz Prize by the French Academy of Sciences in 1906 for his contributions.
Did You Know?
He discovered his first asteroid, 136 Austria, in 1874 using a modest 6-inch telescope.
The asteroid 914 Palisana is named in his honor.
He worked closely with fellow astronomer Max Wolf, who used photography, to verify and confirm discoveries.
“I found my first asteroid on March 18, 1874; it was a faint point of light moving against the stars.”
