Anna Winlock, American astronomer and academic (died 1904)

Anna Winlock (1857–1904) was an American astronomer and human computer, one of the first members of female computer group known as "the Harvard Computers." She made the most complete catalog of stars near the north and south poles of her era. She is also remembered for her calculations and studies of asteroids. In particular, she did calculations on 433 Eros and 475 Ocllo.

September 15 is the 258th day of the year in the Gregorian calendar; 107 days remain until the end of the year.