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On this day in 1647 – January 17th – Elisabetha Hevelius (née Koopmann), the second wife of Johannes Hevelius, was born in Gdańsk, Poland.

She is considered to be one of the first European female astronomers, and is often called 'The mother of Moon charts'. Elisabetha helped her husband manage his observatory, and published two of his works after his death.