Lyon Observatory

Lyon Observatory sits in Saint-Genis-Laval, a quiet commune in France's Rhône department just south of Lyon, where astronomers have tracked the sky since the 19th century. Recognised as a French historical monument, the site still hosts working telescopes and a university research team today.

About Lyon Observatory

Lyon Observatory (Observatoire de Lyon) is run by Université Claude Bernard Lyon 1 and has been a fixture of French astronomy for well over a century. Sitting at roughly 266 metres above sea level in Saint-Genis-Laval, the observatory combines a historic domed campus with an active research programme in optics and instrumentation.

History

The observatory traces back to 1867, when Paris astronomer Charles André asked the prefect of the Rhône to establish a new facility for the region. A commission initially proposed a site at Sainte-Foy-lès-Lyon, but André pushed for Saint-Genis-Laval instead. On 11 March 1878, French president Patrice de MacMahon approved the observatory's creation, and André became its first director. The entire site was listed as a French historical monument on 9 May 2007, and Isabelle Daniel has directed it since 2015.

Telescopes & research

Lyon Observatory operates a 1-metre Cassegrain telescope and a 60-centimetre Schmidt camera, and its astronomers work on adaptive optics systems that use laser-generated artificial stars to sharpen images taken through the atmosphere. In earlier decades the observatory also provided Lyon with weather forecasts and precise time signals, roles that have since been absorbed by other institutions as its focus shifted fully to research and teaching.

Location & getting there

The observatory is set on rising ground in Saint-Genis-Laval, on the edge of the Lyon metropolitan area in eastern France. Its elevated position above the Rhône valley gave 19th-century astronomers clearer, steadier skies than the city centre could offer, and the historic buildings and dome remain a landmark of the commune today.

Visiting Lyon Observatory

As a university research site rather than a public planetarium, Lyon Observatory does not keep set visitor hours, so it is worth checking the observatory's website or contacting Université Claude Bernard Lyon 1 directly before planning a trip, especially for open-day events tied to its historical-monument status.

See your named star from here

If you have named a star through Star Register, its coordinates are yours to explore anywhere with a telescope aimed at the right patch of sky. An observatory of this calibre, with a permanent 1-metre instrument on site, is exactly the kind of place where an astronomer could locate your star's right ascension and declination on request. Browse your certificate details any time in the star catalogue.