--- title: "Olaf Hassel" chunk: 1/1 source: "https://en.wikipedia.org/wiki/Olaf_Hassel" category: "reference" tags: "science, encyclopedia" date_saved: "2026-05-05T04:02:40.384757+00:00" instance: "kb-cron" --- Olaf Hassel (12 May 1898 – 22 August 1972) was a Norwegian amateur astronomer. He was born in Øvre Sandsvær. He is known for his discoveries of the comet Jurlov-Achmarof-Hassel in April 1939 and the nova V446 Herculis on 7 March 1960. Hassel was born deaf. == References == == External links == "Comet Discovered by Amateur Astronomers." Popular Science, September 1939, p. 113.