# Royal Observatory of Madrid

> observatory in Madrid, Spain

**Wikidata**: [Q4274351](https://www.wikidata.org/wiki/Q4274351)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Royal_Observatory_of_Madrid)  
**Source**: https://4ort.xyz/entity/royal-observatory-of-madrid


## References

1. [Wiki Loves Monuments monuments database. 2017](https://tools.wmflabs.org/heritage/api/api.php?action=search&format=json&srcountry=es&srlang=es&srid=RI-51-0009078)
2. Virtual International Authority File
3. Integrated Authority File
4. Library of Congress Authorities
5. BnF authorities
6. IdRef
7. [Source](https://paisajedelaluz.es/paisaje.html)
8. [Source](https://astronomia.ign.es/web/guest/oan/contacto)
9. [Source](http://newton.dm.unipi.it/neodys/index.php?pc=2.1.0&o=990)
10. datos.bne.es
11. [Source](http://212.145.146.10/biblioteca/fondos/ingra2014/index.htm#inm.F1.96)
12. [Internet Domains Wikibase](https://domains.wikibase.cloud/entity/Q134999)