Williamina Fleming By MehdiBen2 May 15, 1857 Birth 1877 Marries 1879 Has a son 1881 Get a job Period: 1881 to 1911 collaborates in the photographic analysis of stellar spectra 1888 discovered the Horsehead Nebula 1890 does a work (Draper Catalogue of Stellar Spectra) 1899 received a degree as Curator of the Archive of Astronomical Photographs at Harvard 1906 Get the honorary award from Wellesley College. 1906 achieved an honorary position in the Royal Astronomical Society of London 1907 Does a work (A Photographic Study of Variable Stars) 1907 published a list containing 222 stars 1910 spectrally studied the first low-mass star remnant 1911 Does a work (Spectra and Photographic Magnitudes of Stars in Standard Regions) May 21, 1911 Death
