| operator | name | named after | heritage designation | image | date founded | Height (m) | city | administrative división | continent | Country | latitude (°) | longitude (°) | Website | Map |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sonnenborgh Observatory | 1853 | Utrecht | Utrecht | Europe | Netherlands | 52.0833320618 | 5.1166667938 | Website | Map | |||||
| Sonnenborgh Observatory | Rijksmonument |  | 1853 | Utrecht | Utrecht | Europe | Netherlands | 52.0833320618 | 5.1166667938 | Website | Map | |||
| Leiden university | Leiden Observatory | Rijksmonument complex |  | 1633 | Leiden | South Holland | Europe | Netherlands | 52.1500015259 | 4.4833331108 | Website | Map |