The Rencontres du Ciel et de l’Espace (RCE), France’s major astronomy event organized by the French Astronomy Association (AFA), Ciel & Espace and the Cité des sciences et de l’industrie, returns for its 15th edition from November 13 to 15, 2026 in Paris.
On the program: more than 150 speakers, planetarium shows, a second-hand equipment sale and the astronomy show, over 1,000 m² dedicated to manufacturers, retailers, associations and laboratories.
La 3ème Dimension on the La Clef des Étoiles booth
This year, La 3ème Dimension instruments are presented by La Clef des Étoiles (Cosmodiff), booths 49 to 54, level S2. It’s a chance to see and try the Smallest and the Lumi in Paris.
Exhibitors at the astronomy show
List and booth numbers provided by the AFA, subject to change before the show.
Observing equipment: manufacturers and retailers
- Vaonis: booth 3
- Soleye / Astrolabs: booth 4
- Médas: booths 5 to 10
- Bresser: booths 22-23 and 26-27
- Axilone: booth 30
- Ovni Night Vision: booth 34
- Astromecca: booth 35
- Lachal Astronomie: booth 36
- MCM: booth 37
- Optique Unterlinden: booths 38 to 41
- Azur 3D: booth 42
- Univers Astro: booth 44
- Shelyak Instruments: booth 48
- La Clef des Étoiles (Cosmodiff): booths 49 to 54, with La 3ème Dimension instruments
- Astroshop: booths 50, 51 and 53
- Airy Disk: booth 52
Research, observatories and missions
- Observatoire des Baronnies Provençales: booth 12
- Paris Observatory – PSL: booths 21 to 31
- Obstech: booth 43
- CEA – Astro-COLIBRI: booth 45
- CEA – SVOM: booth 46
- Vera C. Rubin Observatory: booth 47
Associations, education and planetariums
- AFA / Ciel & Espace: booth 1
- PIAF – Planétariums Interactifs: booth 11
- CLEA: booth 14
- Société astronomique de France: booth 15
- IPSA: booth 28
Publishing, star maps, meteorites and services
- Mapcards: booth 13
- Météorites Sahara: booth 19
- Arcsecond: booth 20
- Tout savoir sur l’espace: booth 24
- Stelvision: booth 29
- Librairie Espace Temps: booths 32-33
Don’t miss: the Laboratoire Temps Espace
On the Paris Observatory booth, the Laboratoire Temps Espace (LTE) will present its books, its calculation forms, its virtual reality app La Terre est ronde and Eclipseop, a web app to plan your observation of the total solar eclipse of August 2, 2027. Its researchers are also giving talks (in French):
- Friday, November 13, 1:30pm: Occultation campaigns observed in France, by Josselin Desmars
- Sunday, November 15, 10:30am: API ProAm: results and future programs, by Vincent Robert
- Sunday, November 15, 11:30am: Airborne astronomy: chasing shooting stars, by Jérémie Vaubaillon
- Sunday, November 15, 12:30pm: Join RAPAS: hunting astro alerts, by Thierry Midavaine and William Thuillot
- Sunday, November 15, 1:45pm: Space detectives: searching for life elsewhere in the universe, by Jean-Luc Margot
Practical information
- Dates: Friday, November 13 to Sunday, November 15, 2026
- Hours: Friday 10am to 8pm, Saturday 10am to 7pm, Sunday 9am to 5:30pm
- Location: Cité des sciences et de l’industrie, 30 avenue Corentin-Cariou, 75019 Paris (metro line 7, Porte de la Villette). The show is on levels -1 and -2 of the Congress Center.
- Prices: €18 for 1 day, €25 for 2 days, €33 for 3 days (reduced rate for AFA members and Universcience subscribers)
👉 Tickets and full program on the AFA website
The same weekend, you can also find La 3ème Dimension at the Made in France Show, Porte de Versailles. Two shows, two chances to discover our instruments!