| Alter Satzberg observatory | Viena | — |
| Altschwendt observatory | Altschwendt | — |
| Astrophoton observatory | Audorf | — |
| AZM Martinsberg observatory | — | — |
 Cobenzl observatory | Viena | — |
| Conrad Magnetic Observatory | — | — |
 Conrad Observatory | Muggendorf | — |
 Franz-Kroller-Sternwarte | Traiskirchen | — |
 Gahberg Observatory | Weyregg am Attersee | 860 m |
 Graz-Lustbühel satellite station | Styria | — |
 Johannes-Kepler-Sternwarte | Linz | — |
 Johannes-Kepler-Volkssternwarte | Thal | — |
 Kanzelhoehe Solar Observatory | Arriach | — |
 Kepler-Schule Graz observatory | Styria | — |
| Konigsleiten observatory | Wald im Pinzgau | — |
 Kremsmünster Observatory | Kremsmünster | 382 m |
 Leopold-Figl-Observatorium | Altenmarkt an der Triesting | — |
 Neue Universitätssternwarte Innsbruck | Innsbruck | — |
| Nonndorf observatory | Nonndorf | — |
| Observatorio Astronómico Gaisberg | Rainbach im Innkreis | — |
 Observatorio Kuffner | Ottakring | — |
 Observatorio universitario de Viena | Viena | — |
 Observatorium Sonnblick | Rauris | 3.106 m |
 Old Innsbruck Observatory | Innsbruck | — |
| Oppolzer Observatory | Viena | — |
| Penzing Astrometric observatory | Viena | — |
| Picard observatory | — | — |
| Puchenstuben observatory | Puchenstuben | — |
 Purgathofer-Sternwarte | Klosterneuburg | — |
| Redshed observatory | Johann Weirether | — |
| Schaerding observatory | 178243 Schaerding | — |
| SGT Observatory | Gaflenz | — |
| Sky Vistas observatory | Eichgraben | — |
| Solar Observatory - Tower 2 and Tower 3 - external appearance | Treffen am Ossiacher See | — |
 Solar Observatory - Tower 4 - Appearance | Arriach | — |
| Stammersdorf observatory | Stammersdorf | — |
 Sterngarten | Mauer | 329 m |
 Sternwarte Davidschlag | Kirchschlag bei Linz | 815 m |
| Stixendorf observatory | Stixendorf | — |
| Universitätssternwarte Graz | Styria | — |
 Urania | Innere Stadt | 165 m |
| VEGA observatory | Austria | — |
 Vega-Sternwarte Salzburg | Nußdorf am Haunsberg | — |
| Vienna observatory (before 1879) | Viena | — |
 Volkssternwarte Klagenfurt | Klagenfurt | — |
 Volkssternwarte Michelbach | Michelbach | 570 m |