caption death_date death_place birth_place nationality field parents birth_date known_for residence image article_title name alma_mater
asaph hall at the usno 22 november 1907 annapolis , maryland goshen , connecticut american astronomer asaph hall ii hannah palmer 15 october 1829 discovery of two martian moons united states professor asaph hall.jpg asaph hall
 asaph hall new-york central college , mcgrawville
asaph hall

asaph hall iii -lrb- october 15 , 1829 -- november 22 , 1907 -rrb- was an american astronomer who is most famous for having discovered the moons of mars , deimos and phobos , in 1877 .
he determined the orbits of satellites of other planets and of double stars , the rotation of saturn , and the mass of mars .
