# Observatoire d'Hesloup, France: what it is and when to go

> Observatoire d'Hesloup is an observatory in France (Saint-Céneri-le-Gérei). Interests: Stargazing. The best time to visit is November to March. In June there are 15 h 52 of daylight, and in December, 8 h 08. Here is what it is, where it lies, when to come, how to get there and what else is nearby to turn it into a trip.

- Address: https://kokai.app/en/paises/europa/francia/observatoire-d-hesloup/
- Reviewed on: 2026-10-02
- Language: en

## In a nutshell

- **What it is:** Observatory · Stargazing
- **Where:** France
- **You can go:** November to March.
- **Nearest airport:** ORY Paris (Orly, Val-de-Marne), 176 km as the crow flies
- **Website:** [observatoire-astro-hesloup.fr](https://www.observatoire-astro-hesloup.fr/)
- **Coordinates:** 48.39812, 0.0298

## What it is and where

Observatoire d'Hesloup is an observatory in France (Saint-Céneri-le-Gérei).

It is in [Saint-Céneri-le-Gérei](https://kokai.app/en/paises/europa/francia/saint-ceneri-le-gerei/), where this site lists 24 more places to see, 6.5 km from the centre.

Its coordinates are 48.39812, 0.0298; the nearest main airport is Paris-Orly Airport (ORY, Paris (Orly, Val-de-Marne)), 176 km as the crow flies. How to get around France (train, car, bus) is covered in [its country guide](https://kokai.app/en/paises/europa/francia/#moverse).

- [Where it is](https://www.google.com/maps/search/?api=1&query=48.398121%2C0.029798)
- [Directions](https://www.google.com/maps/dir/?api=1&destination=48.398121%2C0.029798)

It is one of the [Stargazing](https://kokai.app/en/paises/europa/francia/estrellas/) places in France. In [Kokai](https://kokai.app/en/) it is already on your trip map next to the places you save yourself, and it goes into a day's plan with one tap.

## When to go

Months when you can visit Observatoire d'Hesloup: **November to March**.

| Mes | Época | Hours of daylight |
| --- | --- | --- |
| January | Possible | 8 h 32 |
| February | Possible | 9 h 57 |
| March | Possible | 11 h 35 |
| April | Better not | 13 h 26 |
| May | Better not | 15 h |
| June | Better not | 15 h 52 |
| July | Better not | 15 h 31 |
| August | Better not | 14 h 08 |
| September | Better not | 12 h 20 |
| October | Better not | 10 h 32 |
| November | Possible | 8 h 56 |
| December | Possible | 8 h 08 |

In June there are 15 h 52 of daylight, and in December, 8 h 08. Daylight hours are calculated from the site's latitude for the 15th of each month; when planning a full day on foot they matter as much as the weather.

When to go to France in general, with its festivals and peak seasons, is in [its country guide](https://kokai.app/en/paises/europa/francia/#cuando-ir).

## Before you go to France

To enter France there are 6 things to sort out before you leave, starting with “Valid ID card (DNI) or passport”: they are all, with their deadlines, in [the France checklist](https://kokai.app/en/paises/europa/francia/#antes-de-salir). Currency: Euro (EUR); plugs: Type C and E · 230 V · 50 Hz; emergencies: 112 · 15 ambulance (SAMU) · 17 police · 18 fire brigade.

In [Kokai](https://kokai.app/en/) you tick off the checklist inside your trip, and each item reminds you when it is time to do it.

## What is nearby

- [Hôtel de Ville, Alençon](https://kokai.app/en/paises/europa/francia/mairie-d-alencon/): Town hall in Alençon, France · 5.3 km
- [Château des ducs d'Alençon](https://kokai.app/en/paises/europa/francia/chateau-des-ducs-d-alencon/): History · 5.3 km
- [Musée des Beaux-Arts et de la Dentelle d'Alençon](https://kokai.app/en/paises/europa/francia/musee-des-beaux-arts-et-de-la-dentelle/): Art and lace museum in Alençon, France · 5.4 km
- [Bibliothèque municipale d'Alençon](https://kokai.app/en/paises/europa/francia/saint-joseph-des-jesuites/): Municipal library in Alençon · 5.5 km
- [Hôtel Libert](https://kokai.app/en/paises/europa/francia/hotel-libert/): Townhouse in Alençon · 5.5 km

Distances are as the crow flies. Everything else is in [the France guide](https://kokai.app/en/paises/europa/francia/).

## More in France: Stargazing

- [Paris Observatory](https://kokai.app/en/paises/europa/francia/observatorio-de-paris/): foremost astronomical observatory of France
- [University of Bordeaux](https://kokai.app/en/paises/europa/francia/observatoire-de-bordeaux/): university in France
- [Observatory of Strasbourg](https://kokai.app/en/paises/europa/francia/observatoire-astronomique-de-strasbourg/): astronomical observatory in France
- [List of astronomical observatories](https://kokai.app/en/paises/europa/francia/d51-plateau-astronomique-de-la-couronne-palc/): Wikimedia list article
- [Pises Observatory](https://kokai.app/en/paises/europa/francia/observatoire-des-pises/): astronomical observatory in France
- [Lyon Observatory](https://kokai.app/en/paises/europa/francia/observatoire-de-lyon/): school in France

Every France place under Stargazing, each with its season, is on [its page](https://kokai.app/en/paises/europa/francia/estrellas/).

## Frequently asked questions

### What is Observatoire d'Hesloup?

It is an observatory in France.

### When is the best time to visit Observatoire d'Hesloup?

November to March. In June there are 15 h 52 of daylight, and in December, 8 h 08.

### How do you get to Observatoire d'Hesloup?

The nearest main airport is Paris-Orly Airport (ORY), 176 km as the crow flies. From there, [directions](https://www.google.com/maps/dir/?api=1&destination=48.398121%2C0.029798) opens the route on the map, and how to get around France is explained in [its country guide](https://kokai.app/en/paises/europa/francia/#moverse).

### How do I add it to my trip?

With one tap. In Kokai it is already on the France map, next to the places you save yourself: add it to a day's plan, give it a time and, if you like, get a reminder when you pass nearby.

### What else is around here?

Nearby you have [Hôtel de Ville, Alençon](https://kokai.app/en/paises/europa/francia/mairie-d-alencon/), [Château des ducs d'Alençon](https://kokai.app/en/paises/europa/francia/chateau-des-ducs-d-alencon/), [Musée des Beaux-Arts et de la Dentelle d'Alençon](https://kokai.app/en/paises/europa/francia/musee-des-beaux-arts-et-de-la-dentelle/). The rest is in [the France guide](https://kokai.app/en/paises/europa/francia/).

Data from [OpenStreetMap](https://www.openstreetmap.org/way/156612805), licensed under the ODbL, and from [Wikidata](https://www.wikidata.org/), CC0. Daylight hours are calculated from the latitude. More in [credits](https://kokai.app/en/aviso/#creditos).

