ATS 2026 Convention

ATS 2026 – 35th Anniversary Convention

Antique Telescope Society · 35th Anniversary

2026 Annual Convention
Observatories of France

Paris · Strasbourg · Marseille · Nice · Pic du Midi  |  Seven Historic Observatories

The program for the ATS 35th Anniversary Convention — a journey through the storied observatories of France, combining historic science with the pleasures of Paris, Alsace, Provence, and the Pyrenees.

5-Day Program (Pic du Midi Optional)
DayDateSessionAgendaHotelPhotos
MondaySept. 14AM
Sorbonne Observatory
Observatory on a high tower — no elevator; groups of five people at a time.
ParisSorbonne Observatory
PM
Paris Observatory
Later: Convention Keynote & Dinner
TuesdaySept. 15AM
Camille Flammarion Observatory
Paris-Juvisy (suburb near Orly airport)
ParisCamille Flammarion Observatory
PM
Meudon Observatory
Paris-Meudon · 15 min · ~€3 one way
WednesdaySept. 16AM
Strasbourg Observatory
Day trip — time to stroll Strasbourg.
ParisStrasbourg Observatory
PM
Return to Paris
ThursdaySept. 17AM
Travel to Marseille
MarseilleMarseille Observatory
PM
Marseille Observatory
Travel to Nice after tour of Marseille Observatory
FridaySept. 18AM
Free Time
— or — Optional Travel to Toulouse (Pic du Midi prep)
Marseille
Optional: Stay in Nice
Nice Observatory
PM
Nice Observatory
Convention officially concludes
SaturdaySept. 19AM
Return to Paris
Optional Pic du Midi excursion (via Toulouse)
Paris / Toulouse
SundaySept. 20
Pic du Midi
End of tours · Personal travel / return to Paris
ParisPic du Midi