- Club observatory
- Dated events only
- Night observing
An amateur club that holds free public observing evenings on announced dates, no booking mentioned. The coordinates are those of the event address, not necessarily the club’s instruments.
- Schedule, as published
- Dated free public observations (10 Oct 2026, 20:00–23:30, 61 rue de Chanteloup); club meetings Fridays 20:45, contact by email first
- Prices, as published
- Free
Read on the official page on 15 Oct 2026. Visits in: FR
Official site
- Public observatory
- Dated events only
- Night observing
Three-hour evening sessions with a presenter: reading the sky and observing through telescopes, one format preceded by a planetarium show. Open from age 6, booking required.
- Schedule, as published
- Evening sessions at 21:00 on dated evenings (e.g. 16, 17, 20, 21 Oct 2026), 3 h; reception only at programmed times, no free visit; ticket office opens 30 min before
- Prices, as published
- Soirée découverte 20 € adult / 15 € child 6–16 / free under 6; Exploration du ciel 2.0 (planetarium then observing) 27 € / 20 € / free under 6
Read on the official page on 15 Oct 2026.
Official siteBook (official)
- Club observatory
- Dated events only
Planète Sciences runs observing weekends (Week-ends Astronomie) and training courses at this observatory, which has a 600 mm telescope operated by trained members. Dates and prices are on the association’s site.
- Schedule, as published
- not published on the official page
- Prices, as published
- not published on the official page
Read on the official page on 15 Oct 2026. Visits in: FR
Official site
- Public observatory
- Dated events only
Astronomical observation centre in the Parc du Soleil et de la Lune, listed as open year-round according to its programme; minimum age 6. A large solar refractor is mentioned.
Secondary sources only; the official page could not be read. Treat as a lead.
Official site
- Planetarium with a telescope
- Dated events only
- Night observing
Space park where telescopes in the gardens and an astronomer’s dome are used for summer evening openings and the Nuit des étoiles.
Secondary sources only; the official page could not be read. Treat as a lead.
Official site
- Club observatory
- Dated events only
- Night observing
Public evenings, off-season and in summer, observing planets, galaxies and nebulae (and the Sun in summer) with the observatory’s telescopes.
- Schedule, as published
- not published on the official page
- Prices, as published
- not published on the official page
Read on the official page on 15 Oct 2026.
Official site
- Club observatory
- Dated events only
- Night observing
A club observatory that opens to the public on dated occasions: an open night, the Heritage Days and special events. No regular schedule is published.
- Schedule, as published
- 2026 public events listed: partial solar eclipse 12 Aug, Nuit Portes Ouvertes 22 Aug, Journées du patrimoine 20 Sep (all past); no regular schedule
- Prices, as published
- not published on the official page
Read on the official page on 15 Oct 2026.
Official site
Observatoire astronomique de Rouen
Rouen, Normandie
- Club observatory
- Access not stated
An association observatory that, according to local press, has opened to the public for observing sessions; its official site was not found, so no schedule is given.
Secondary sources only; the official page could not be read. Treat as a lead.
- Club observatory
- Dated events only
- Night observing
Public evenings at an association observatory in Ariège, where visitors observe with the club’s instruments. Booking is compulsory and places are limited.
- Schedule, as published
- Dated public evenings listed on the Agendas page; start time on the ticket; booking mandatory, places limited
- Prices, as published
- Public evenings: adult 9 €, child over 5 6 €, 5 and under free, members free
Read on the official page on 15 Oct 2026.
Official siteVisiting page
- Club observatory
- By reservation
- Night observing
High-altitude observatory with 50 cm and 62 cm telescopes, used mainly for week-long amateur missions. The public can join guided Nuits Découverte du ciel organised with the tourist office.
- Schedule, as published
- Guided public nights (Nuits Découverte du ciel) run with the Guillestrois-Queyras tourist office; booking through the tourist office
- Prices, as published
- not published on the official page
Read on the official page on 15 Oct 2026.
Official site
- Research observatory
- Dated events only
- Daytime visits only
The university’s Jardin des sciences runs guided daytime visits up to the Grande Coupole on dated sessions. Prices found online conflict, so none is given; the planetarium is a separate venue.
- Schedule, as published
- Guided visits on dated sessions run by the Jardin des sciences, e.g. 25 Oct 2026, 14:45–16:15, meeting point 27 boulevard de la Victoire
- Prices, as published
- not published on the official page
Read on the official page on 15 Oct 2026. Visits in: FR
Official siteVisiting pageBook (official)
- Club observatory
- Dated events only
- Night observing
Two-hour evening of sky discovery run by the Vega astronomy club, with a main telescope and a telescope with amplified vision. Limited to 18 people.
- Schedule, as published
- Fri 30 Oct, Fri 27 Nov and Fri 18 Dec 2026, 21:00–23:00; 18 people maximum; online booking
- Prices, as published
- 10 € per person
Read on the official page on 15 Oct 2026.
Official siteVisiting page
- Club observatory
- Closed to visitors
- Largest telescope used by the public: 240 mm
Flammarion’s 1883 observatory houses a 240 mm refractor (3 600 mm focal length). The official page says it is currently closed to the public for safety reasons.
Currently closed to visitors.
- Schedule, as published
- The observatory page states it is currently closed to the public for safety reasons; the park remains open
- Prices, as published
- not published on the official page
Read on the official page on 15 Oct 2026.
Official siteVisiting page
- Club observatory
- Regular opening days
- Night observing
The AAFC receives the public on the first Tuesday evening of each month at the Besançon observatory, with observing when the sky allows. The page gives no price and no instrument size.
- Schedule, as published
- Public welcome on the first Tuesday of the month, 20:30, without booking; observing takes priority if the weather is good; Nuits des étoiles in summer
- Prices, as published
- not published on the official page
Read on the official page on 15 Oct 2026. Visits in: FR
Official site
- Research observatory
- Closed to visitors
Guided visits of the historic site and its large equatorial telescope are organised by the association Sirius. The association’s page states they are temporarily suspended because of work on the artwork in the dome.
Currently closed to visitors.
- Schedule, as published
- Visits run by the association Sirius are temporarily suspended; no reopening date given
- Prices, as published
- not published on the official page
Read on the official page on 15 Oct 2026. Visits in: FR
Official siteVisiting page
- Club observatory
- Dated events only
- Night observing
Association observatory in the Carladez, where evening outings pair naked-eye observing with telescope viewing under the dome; booking through the Mur-de-Barrez tourist office.
Secondary sources only; the official page could not be read. Treat as a lead.
Official site
- Research observatory
- Dated events only
- Daytime visits only
- Largest telescope used by the public: 1930 mm
Guided one-hour daytime visit of the dome housing the 1.93 m telescope, which found the first exoplanet around a Sun-like star in 1995. Tickets are sold by the Centre d’Astronomie, not on site.
- Schedule, as published
- Grand dome guided visit, 1 h; school-holiday dates, e.g. 20, 21, 27 and 28 Oct 2026 at 16:00; no tickets sold on site
- Prices, as published
- Adult 7 €, child 6–16 4.50 €, under 6 free
Read on the official page on 15 Oct 2026.
Official siteVisiting pageBook (official)
- Club observatory
- Regular opening days
- Night observing
The Société d’Astronomie Populaire opens its city observatory for a guided visit on Friday evenings. The page lists a meridian instrument, a Carte du Ciel refractor, a T83 telescope and the Vitry dome.
- Schedule, as published
- Observatory visits every Friday at 21:30, by reservation
- Prices, as published
- not published on the official page
Read on the official page on 15 Oct 2026.
Official site
- Research observatory
- Dated events only
Guided visit of about three hours on the Calern plateau, on Sunday afternoons. The page mentions an open-domes night event but gives no date.
- Schedule, as published
- Public guided visit of about 3 h on Sunday afternoons; group visits on weekdays June–September; a Nuit Coupoles Ouvertes event is mentioned without dates
- Prices, as published
- not published on the official page
Read on the official page on 15 Oct 2026.
Official siteVisiting page
- Research observatory
- By reservation
Guided visits of the 19th-century observatory and its park, led by a science mediator. The page does not say whether visitors look through a telescope.
- Schedule, as published
- Guided visits throughout the year, on foot, 2 h; registration required
- Prices, as published
- not published on the official page
Read on the official page on 15 Oct 2026.
Official siteVisiting page
- Public observatory
- Dated events only
- Night observing
Themed evenings with observation through instruments, on a programmed agenda throughout the year. There are no unscheduled visits.
- Schedule, as published
- Open year-round at programmed animation times; closed Sundays and public holidays; no free visits; ticket office opens 30 min before; booking through the Agenda & réservation section
- Prices, as published
- not published on the official page
Read on the official page on 15 Oct 2026.
Official site
- Club observatory
- By reservation
- Largest telescope used by the public: 153 mm
Volunteers of the Société astronomique de France guide groups of at most five up the Sorbonne tower to a 153 mm refractor (2 300 mm focal length, 1935), followed by observing if the weather is favourable.
- Schedule, as published
- Slots on the SAF online shop; no fixed days; groups limited to 5; observing if the weather allows
- Prices, as published
- not published on the official page
Read on the official page on 15 Oct 2026.
Official siteVisiting pageBook (official)
- Research observatory
- Regular opening days
- Night observing
- Largest telescope used by the public: 1000 mm
A monthly evening starts with a talk or indoor sky introduction, then sky observation if clear, with the observatory’s and the Société astronomique de Lyon’s instruments. The adult day visit includes a 1 m telescope.
- Schedule, as published
- Monthly evening, one Friday around first quarter Moon (next: 27 Nov 2026, 20:30–23:00), registration required; occasional adult day visits and children’s visits by email
- Prices, as published
- Evening 6 € adult / 3 € child under 18; adult day visit 3 €; cash or cheque on site
Read on the official page on 15 Oct 2026. Visits in: FR
Official siteVisiting pageBook (official)
- Public observatory
- Regular opening days
- Night observing
The historic observatory, run by the Andromède association, offers a planetarium and a visit of the large refractor by day, and evening sessions with optical and digital telescopes.
- Schedule, as published
- Public planetarium 19–24 and 26–31 Oct 2026 (closed Sundays); Wednesday afternoons 14:00–17:30 from All Saints to Christmas 2026; evening Nocturnes 20 Oct, 23 Oct and 31 Oct 2026 (two sessions)
- Prices, as published
- not published on the official page
Read on the official page on 15 Oct 2026.
Official site
- Research observatory
- Dated events only
The Meudon site, with its Grande Coupole, welcomes the public only on open days such as the Fête de la science, by registration. There is no regular visit programme.
- Schedule, as published
- Open to the public only on open days: Fête de la science (October) and exceptional events announced on the website (Journées du patrimoine 19 Sep 2026); registration a few weeks before
- Prices, as published
- not published on the official page
Read on the official page on 15 Oct 2026.
Official siteVisiting page
- Research observatory
- Dated events only
The historic building opens to the public only on open days such as the Heritage Days, by registration. There is no regular visit programme; one third-party visitor guide also mentions a suspension for works, undated.
- Schedule, as published
- Open to the public only on open days: Journées européennes du patrimoine (third weekend of September; Paris site on 20 Sep 2026, booking required) and exceptional events announced on the website; registration a few weeks before
- Prices, as published
- not published on the official page
Read on the official page on 15 Oct 2026.
Official siteVisiting page
- Club observatory
- Dated events only
- Night observing
Association observatory with two telescopes, organising public observing evenings through the year and daytime Sun Days in spring and summer.
Secondary sources only; the official page could not be read. Treat as a lead.
Official site
- Club observatory
- Dated events only
- Night observing
- Largest telescope used by the public: 400 mm
The Association astronomique d’Anjou holds public evenings at its observatory, which has a telescope named T400 under a dome (400 mm assumed from the name). Dates are on its calendar.
- Schedule, as published
- Public reception evenings at the observatory, weather permitting; Nuits des étoiles 7–8 Aug 2026 from 21:00; see the association’s calendar
- Prices, as published
- not published on the official page
Read on the official page on 15 Oct 2026. Visits in: FR
Official site
- Public observatory
- By reservation
- Night observing
Evening sessions of about three hours on the terraces or under the large telescope, by reservation. The summer programme adds discovery evenings and a show.
- Schedule, as published
- By reservation only. July–August: evenings every day from 21:00 (arrive 20:30); rest of the year evening sessions by reservation, Friday sessions under the large telescope (3 h)
- Prices, as published
- The site’s pages differ (2025 tariffs): summer evening discovery 20 € or 30 € per person; Friday under the large telescope 88 € per person, minimum 2
Read on the official page on 15 Oct 2026.
Official siteVisiting pageBook (official)
- Club observatory
- By reservation
- Night observing
- Largest telescope used by the public: 830 mm
A tourism directory describes evening sessions on an 83 cm telescope open to the public, visits by appointment of about three hours. The official site did not load, so no schedule or price is given.
Secondary sources only; the official page could not be read. Treat as a lead.
Official site
- Club observatory
- Dated events only
- Night observing
The Société astronomique de Bourgogne opens its observatory near Dijon for free public observing nights on announced dates. The 2026–27 programme is on its site.
- Schedule, as published
- Douces Nuits de juillet (Saturdays 4, 11, 18, 25 Jul 2026); Nuits des étoiles 7–8 Aug 2026 listed as cancelled
- Prices, as published
- Public events free, except the star training courses
Read on the official page on 15 Oct 2026. Visits in: FR
Official siteVisiting page
- Club observatory
- Dated events only
- Night observing
Observatory of the Régulus astronomy club, open to the public for star evenings, mostly on Friday evenings in summer; cancelled under cloud.
Secondary sources only; the official page could not be read. Treat as a lead.
- Public observatory
- By reservation
- Night observing
Stargazing evening at an observatory at 1 905 m in the Verdon regional park, with a refuge for overnight stays. Booking is online.
- Schedule, as published
- not published on the official page
- Prices, as published
- Soirée astronomie from 23 €
Read on the official page on 15 Oct 2026.
Official site
- Club observatory
- Dated events only
- Night observing
Evening astronomy sessions under the observatory dome with telescopes, run by the Centre de la Nature Montagnarde; the site is reached on foot.
Secondary sources only; the official page could not be read. Treat as a lead.
- Club observatory
- Regular opening days
- Night observing
Association observatory with Friday evening observing for the public outside summer, and booked summer evenings with a talk, planetarium and telescope observation.
Secondary sources only; the official page could not be read. Treat as a lead.
Official site
- Research observatory
- Regular opening days
- Night observing
- Largest telescope used by the public: 400 mm
A cable car takes visitors to the 2 877 m summit by day. Overnight guests, booked well ahead, get access to the Charvin dome with a 400 mm Schmidt-Cassegrain telescope.
- Schedule, as published
- 30 May–1 Nov 2026 daily: departures 9:30–16:00, last return 17:30 (4 Jul–30 Aug: 9:00–16:30); winter 5 Dec 2026–11 Apr 2027: 9:30–16:00; closed for maintenance in May and November; weather permitting
- Prices, as published
- Dated day visit from 34 € (up to 25 % off when booked ahead); open ticket from 54 €; overnight stay price not stated on the page
Read on the official page on 15 Oct 2026.
Official siteVisiting pageBook (official)
- Public observatory
- By reservation
- Night observing
- Largest telescope used by the public: 635 mm
Night visits of a former military site on the Albion plateau, with a 635 mm telescope under an accessible dome. Visits are by reservation only.
- Schedule, as published
- Open every day of the year, by reservation only; formats Balade nocturne and Soirée découverte
- Prices, as published
- not published on the official page
Read on the official page on 15 Oct 2026.
Official site
- Public observatory
- Regular opening days
- Night observing
A science-culture centre in the grounds of the Château de la Tour with an observatory and sky-observation evenings on dated events. Adult prices and telescope size were not stated on the pages read.
- Schedule, as published
- Monday to Friday 9:30–12:00 and 14:00–17:00 (site hours); sky-observation evenings on dated events (e.g. 26 Feb 2026)
- Prices, as published
- Under 5 free; other prices not found
Read on the official page on 15 Oct 2026. Visits in: FR
Official siteBook (official)
- Planetarium with a telescope
- Regular opening days
A planetarium that lists an Observatoire activity of 1 h 30 and a sky-observation evening. Dates, prices and telescope size were not stated on the official pages read.
- Schedule, as published
- Autumn 2026 holidays: Tuesday–Saturday 10:30–18:00; an « Observatoire » activity of 1 h 30 and a « Soirée d’observation du ciel » are listed, without dates on the pages read
- Prices, as published
- not published on the official page
Read on the official page on 15 Oct 2026. Visits in: FR
Official siteVisiting pageBook (official)
- Planetarium with a telescope
- Regular opening days
- Night observing
A planetarium and museum in the Cotentin that also holds dated night-observation sessions with the site’s instruments. Booking by phone or on the ticket office is advised.
- Schedule, as published
- 1 Sep–16 Oct 2026: Mon–Fri and Sun 14:00–18:00, Sat closed; night observations on dated sessions, see the agenda
- Prices, as published
- Museum + planetarium 8.80 € (reduced 6.70 €), 7–17 years 6.70 €, under 7 free; annual pass 39 € (26 € reduced) includes night observations
Read on the official page on 15 Oct 2026. Visits in: FR
Official siteVisiting page
- Public observatory
- Dated events only
- Night observing
A science centre beside the Nançay radio observatory with exhibitions, a planetarium and dated sky-observation evenings. Telescope size and evening prices were not stated.
- Schedule, as published
- Sky-observation evening listed 16 Oct 2026 at 21:00; other dated evenings in the agenda; no general opening hours found
- Prices, as published
- Entry ticket 7 € full / 5 € reduced, under 5 free (valid 2 Feb 2026–3 Jan 2027); planetarium, guided visit and animations extra
Read on the official page on 15 Oct 2026. Visits in: FR
Official siteVisiting pageBook (official)
- Club observatory
- Dated events only
- Night observing
An association observatory with a telescope under a dome; the Association française d’astronomie lists free public evenings on certain Saturdays. Only a secondary listing was read, so dates are not given.
Secondary sources only; the official page could not be read. Treat as a lead. Visits in: FR
Visiting page