Anders Anton von Stiernman later transferred to the Swedish National Archives. He made research trips in 1722 to Copenhagen and in 1724 the Baltic provinces. In 1732 he was promoted to actuary and 1740 to secretary to the director. In 1743 he was ennobled as "von Stiernman". In 1745 he was made a member of the Swedish Academy of Sciences and in 1747 became the Secretary. He died on March 2, 1765. His manuscripts were acquired after his death by Uppsala University Library and through purchase and partly through the donation of his son, Olof Celsius von Stiernman. Anders Anton von Stiernman Anders Anton
Anders Celsius conducted with his assistant Olof Hiorter, and he was the first to suggest a connection between the aurora borealis and changes in the magnetic field of the Earth. He observed the variations of a compass needle and found that larger deflections correlated with stronger auroral activity. At Nuremberg in 1733, he published a collection of 316 observations of the aurora borealis made by himself and others over the period 1716–1732. Celsius traveled frequently in the early 1730s, including to Germany, Italy and France, when he visited most of the major European observatories. In Paris he advocated the measurement of an