Besançon | Royal Observatory, Greenwich | observatory | Royal Observatory | Paris Observatory | Palomar Observatory | Yerkes Observatory | Arecibo Observatory | Siding Spring Observatory | Mount Wilson Observatory | Smithsonian Astrophysical Observatory | Observatory | Harvard College Observatory | Ondřejov Observatory | Lowell Observatory | Kew Observatory | Roque de los Muchachos Observatory | Pulkovo Observatory | McDonald Observatory | Jodrell Bank Observatory | Chandra X-ray Observatory | Solar Dynamics Observatory | National Astronomical Observatory of Japan | Las Campanas Observatory | European Southern Observatory | Allegheny Observatory | Vienna Observatory | United States Naval Observatory | Parkes Observatory | Observatory, Cape Town |
The Neuchâtel Observatory, Geneva Observatory, Besancon Observatory, and Kew Observatory are prominent examples of observatories that certified the accuracy of mechanical timepieces.
The Neuchatel Observatory, Geneva Observatory, Besancon Observatory, and Kew Observatory are prominent examples of observatories that certified the accuracy of mechanical timepieces.