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Asteroids discovered: 24 17 Thetis April 17 , 1852 26 Proserpina May 5 , 1853 28 Bellona March 1 , 1854 35 Leukothea April 19 , 1855 37 Fides October 5 , 1855 47 Aglaja September 15 , 1857 53 Kalypso April 4 , 1858 57 Mnemosyne September 22 , 1859 58 Concordia March 24 , 1860 68 Leto April 29 , 1861 71 Niobe August 13 , 1861 78 Diana March 15 , 1863 82 Alkmene November 27 , 1864 84 Klio August 25 , 1865 90 Antiope October 1 , 1866 95 Arethusa November 23 , 1867 108 Hecuba April 2 , 1869 113 Amalthea March 12 , 1871 118 Peitho March 15 , 1872 134 Sophrosyne September 27 , 1873 241 Germania September 12 , 1884 247 Eukrate March 14 , 1885 258 Tyche May 4 , 1886 288 Glauke February 20 , 1890
Karl Theodor Robert Luther (April 16 , 1822 – February 15 , 1900 ) was a German astronomer who searched for asteroids while working in Düsseldorf.
Two of his discoveries are now known to have unusual properties: the binary asteroid with equal components 90 Antiope and the extremely slow-rotating 288 Glauke . The asteroid 1303 Luthera and the crater Luther on the Moon were named in his honour.