Observatoire Astronomique de Mont-Soleil
Observatoire Astronomique de Mont-Soleil is an astronomical observatory located on Mont-Soleil, above Saint-Imier in the canton of Bern, Switzerland. It has a dome of.
Observatoire Astronomique de Mont-Soleil is an astronomical observatory located on Mont-Soleil, above Saint-Imier in the canton of Bern, Switzerland. It has a dome of.