# Sternwarte Rheindahlen, Germany: what it is and when to go > Sternwarte Rheindahlen is an observatory in Germany (Düsseldorf). Interests: Stargazing. The best time to visit is December. In June there are 16 h 19 of daylight, and in December, 7 h 41. 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/alemania/sternwarte-rheindahlen/ - Reviewed on: 2026-10-02 - Language: en ## In a nutshell - **What it is:** Observatory · Stargazing - **Where:** Germany - **Best time:** December. - **Nearest airport:** DUS Düsseldorf, 33 km as the crow flies - **Website:** [astro-mg.de](https://astro-mg.de/) - **Run by:** Astronomische Arbeitkreis Mönchengladbach e.V. - **Coordinates:** 51.14194, 6.36475 ## What it is and where Sternwarte Rheindahlen is an observatory in Germany (Düsseldorf). It is in [Düsseldorf](https://kokai.app/en/paises/europa/alemania/dusseldorf/), where this site lists 98 more places to see, 30 km from the centre. Its coordinates are 51.14194, 6.36475; the nearest main airport is Düsseldorf Airport (DUS, Düsseldorf), 33 km as the crow flies. How to get around Germany (train, car, bus) is covered in [its country guide](https://kokai.app/en/paises/europa/alemania/#moverse). - [Where it is](https://www.google.com/maps/search/?api=1&query=51.141937%2C6.364752) - [Directions](https://www.google.com/maps/dir/?api=1&destination=51.141937%2C6.364752) - **Run by:** Astronomische Arbeitkreis Mönchengladbach e.V. It is one of the [Stargazing](https://kokai.app/en/paises/europa/alemania/estrellas/) places in Germany. 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 The best time to visit Sternwarte Rheindahlen is **December**. | Mes | Época | Hours of daylight | | --- | --- | --- | | January | Possible | 8 h 09 | | February | Possible | 9 h 44 | | March | Possible | 11 h 32 | | April | Better not | 13 h 35 | | May | Better not | 15 h 20 | | June | Better not | 16 h 19 | | July | Better not | 15 h 54 | | August | Better not | 14 h 22 | | September | Better not | 12 h 22 | | October | Better not | 10 h 23 | | November | Possible | 8 h 36 | | December | Best time | 7 h 41 | In June there are 16 h 19 of daylight, and in December, 7 h 41. 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 Germany in general, with its festivals and peak seasons, is in [its country guide](https://kokai.app/en/paises/europa/alemania/#cuando-ir). ## Before you go to Germany To enter Germany 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 Germany checklist](https://kokai.app/en/paises/europa/alemania/#antes-de-salir). Currency: Euro (EUR); plugs: Type C and F · 230 V · 50 Hz; emergencies: 112 · 110 police. 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 - [Viehstrasse](https://kokai.app/en/paises/europa/alemania/viehstrasse/): Nature reserve in Germany · 2.9 km - [Rheydter Höhe](https://kokai.app/en/paises/europa/alemania/rheydter-hohe/): Nature · Mountains · 3.4 km - [Schloss Wickrath](https://kokai.app/en/paises/europa/alemania/schloss-wickrath/): Castle in Mönchengladbach, Germany · 3.9 km - [Finkenberger Bruch](https://kokai.app/en/paises/europa/alemania/finkenberger-bruch/): Nature reserve in Germany · 5.0 km - [Holter Kreuz](https://kokai.app/en/paises/europa/alemania/holter-kreuz/): Wayside cross in Mönchengladbach, Germany · 5.3 km Distances are as the crow flies. Everything else is in [the Germany guide](https://kokai.app/en/paises/europa/alemania/). ## More in Germany: Stargazing - [Heidelberg-Königstuhl State Observatory](https://kokai.app/en/paises/europa/alemania/landessternwarte-konigstuhl/): astronomical observatory in Germany - [Hamburg Observatory](https://kokai.app/en/paises/europa/alemania/hamburger-sternwarte/): astronomical observatory - [Effelsberg 100-metre Radio Telescope](https://kokai.app/en/paises/europa/alemania/radioteleskop-effelsberg/): radio telescope in Germany - [Karl Schwarzschild Observatory](https://kokai.app/en/paises/europa/alemania/thuringer-landessternwarte-tautenburg/): Observatory - [GEO600](https://kokai.app/en/paises/europa/alemania/geo600/): gravitational wave detector in Germany - [Sonneberg Observatory](https://kokai.app/en/paises/europa/alemania/sternwarte-sonneberg/): Observatory Every Germany place under Stargazing, each with its season, is on [its page](https://kokai.app/en/paises/europa/alemania/estrellas/). ## Frequently asked questions ### What is Sternwarte Rheindahlen? It is an observatory in Germany. ### When is the best time to visit Sternwarte Rheindahlen? December. In June there are 16 h 19 of daylight, and in December, 7 h 41. ### How do you get to Sternwarte Rheindahlen? The nearest main airport is Düsseldorf Airport (DUS), 33 km as the crow flies. From there, [directions](https://www.google.com/maps/dir/?api=1&destination=51.141937%2C6.364752) opens the route on the map, and how to get around Germany is explained in [its country guide](https://kokai.app/en/paises/europa/alemania/#moverse). ### How do I add it to my trip? With one tap. In Kokai it is already on the Germany 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 [Viehstrasse](https://kokai.app/en/paises/europa/alemania/viehstrasse/), [Rheydter Höhe](https://kokai.app/en/paises/europa/alemania/rheydter-hohe/), [Schloss Wickrath](https://kokai.app/en/paises/europa/alemania/schloss-wickrath/). The rest is in [the Germany guide](https://kokai.app/en/paises/europa/alemania/). Data from [OpenStreetMap](https://www.openstreetmap.org/way/306155171), 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).