 | Telescopio ottico | | | |  | Radiotelescopio | | | |
| Link | Kuffnersternwarte | . | | |
| Link | National Astronomical Observatory "Rozhen" | . | | |
| Link | Observatoire Astronomique de Paris | . | | |
| Link | Observatoire Astronomique de Strasbourg | . | | |
| Link | Observatoire de Besançon | . | | |
| Link | Observatoire de la côte d'Azur | . | | |
| Link | Observatoire de Haute-Provence | . | | |
| Link | Observatoire de Lyon | . | | |
| Link | Observatoire de Marseille-Provence | . | | |
| Link | Observatoire de Midi-Pyrenees | . | | |
| GERMANIA - BUNDESREPUBLIK DEUTSCHLAND |
| Link | Radio-Observatorium Effelsberg | . | | |
| GRAN BRETAGNA - UNITED KINGDOM OF GREAT BRITAIN AND NORTHERN IRELAND |
| Link | Armagh Observatory | . | | |
| Link | Bradford Robotic Telescope | . | | |
| Link | Chilbolton Observatory | . | | |
| Link | Greenwich Royal Observatory | . | | |
| Link | Jodrell Bank Observatory | . | | |
| Link | The Royal Observatory of Edinburgh | . | | |
| Link | University of London Observatory | . | | |
| Link | Astronomical Observatory Warsaw | . | | |
| RUSSIA (Federazione Russa) - ROSSIJA FEDERACIJA |
| Link | Pulkovo Observatory | . | | |
| Link | Calar Alto Observatory | . | | |
| Link | Observatorio del Roque de los Muchachos | . | | |
| Link | Sierra Nevada Observatory | . | | |
| Link | Telescopio Heliografico THEMIS | Telescopio solare. | | |
| Link | Stockholms Observatorium | . | | |
| SVIZZERA - SCHWEIZ - SUISSE - SVIZRA |
| Link | Observatoire Astronomique de l'Université de Genève | . | | |
| Link | Observatoire Astronomique de Mont Soleil | . | | |
| Link | Observatoire d'Arbaz - Anzere | . | | |
| Link | Observatoire de Vérossaz | . | | |
| Link | Observatoire François Xavier Bagnoud | . | | |
| Link | Urania Observatory Zurich | . | | |
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