. On this day in 1605 – September 28th – French astronomer and mathematician Ismaël Bullialdus was born in Loudon.
Often regarded as ‘the most noted astronomer of his generation’ he wrote several books, the most famous being Astronomia Philolaica, in which he supported Johannes Kepler’s elliptical planetary orbits. Bullialdus was also a defender of the views and ideas of Copernicus and Galileo. .
. On this day in 1880 – September 30th – Henry Draper took the first photograph of a nebula, the Orion Nebula.
Draper was an American physician, professor of medicine, keen astronomer and pioneer of astrophotography. Stars with HD numbers are listed in the Henry Draper Catalog compiled by Harvard College Observatory and funded by Draper's widow, Anna Draper. .
. On this day in 1845 – October 1st – English astronomer William Henry Mahoney Christie was born in Woolwich, London.
He served as Chief Assistant to George Biddell Airy at the Royal Observatory, Greenwich from 1870 to 1881, replacing Airy in 1881 to become the eighth Astronomer Royal of England. He remained in office until his retirement from the post in 1910. .
Last edited by Mona - Astronomy; 10/02/2301:59 PM.
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