Here you find links to some useful web sites.
Please note that some information related to the observatory (e.g., about teaching and research) can be found on the Department of Space, Earth and Environment's web site.
Also note that information about the observatory intended for the general public (including information about guided tours and other events) can mainly be found on Onsala Space Observatory's Swedish web site.
Miscellaneous links to local web servers:
Local weather at OSO
Superconducting gravimeter at OSO
Book library at OSO
ORMA - Onsala Radiometers for Microwave sensing of the Atmosphere (currently not available)
Onsala Space Observatory on Flickr
Onsala Space Observatory on Facebook
Onsala Space Observatory on Twitter