Anders Celsius – The house and the old observatory of the Swedish astronomer in Uppsala

In the 18th century, Anders Celsius performed his research there and built the first observatory proper in 1741. Celsius got the university consistory to buy a large stone house of medieval origin in central Uppsala, where he had an observatory constructed on the rooftop.

Anders Celsius 1701-1744

Celsius both worked and had his personal living quarters in the house. This observatory remained in use until the new observatory, now known as the “old observatory”, was built in 1853. The Celsius house itself still remains as one of few older buildings on a modern shopping street, but the observatory on the roof was demolished in 1857.

Uppsala Astronomical Observatory, the oldest astronomical observatory in Sweden.  / Image source

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