Observatory Museum

The Stockholm Observatory is an astronomical observatory and institution in Stockholm, Sweden, founded in the 18th century and today part of Stockholm University. In 1931, the new Stockholm Observatory, nicknamed "Saltis", was inaugurated on the Karlsbaderberget at Saltsjöbaden, near Stockholm, and operated until 2001.There are records of daily weather observations from the observatory going back to 1754.

The Stockholm Observatory site at Saltsjöbaden was established with a 40-inch reflecting telescope from Grubb, built in 1931. Also of historical interest is a double telescope by Grubb, the 24/20-inch refractor, with has one 24-inch aperture another 20-inch on the same mount established in 1931.The old observatory is in modern times a museum and because it is on a hill is known for a good view of city of Stockholm from the dome, and it also has some sculptures and walled garden.