Vienna University Observatory
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 Vienna University Observatory |
 Vienna University Observatory |
 Vienna University Observatory |
 Vienna University Observatory, Drawing from 1878 |
 Vienna University Observatory, Drawing from 1888 |
 Great Refractor |
 Great Refractor |
 Great Refractor |
 Great Refractor |
 Great Refractor |
 Great Refractor |
 Great Refractor, tracking system |
 Small Radio Telescope (SRT) |
 Small Radio Telescope (SRT) |
 Small Radio Telescope (SRT) |
 vienna little telescope (vlt) |
 vienna little telescope (vlt) |
 vienna little telescope (vlt) |
 vienna little telescope (vlt) |
 125th anniversary |
 anniversary - entry hall |
 hall around the Great Refractor |
 Peuerbach: "Theoricae novae planetarum" (1473) |
 Marinoni: "De astronomica specula domestica et organico" (1745) |
 Hell: "Observatio transitus Veneris ante discum Solis " (1770) |
