Pulfrich, Carl (1858-1927)(65)
Asztrofizikai Obszervatórium (Herény)(54)
Carl Zeiss (Jena) (1846-1945)(54)
Barnard, Edward Emerson (1857-1923)(50)
Central-Magazin für Photographen-Bedarf Ernst Herbst & Firl (1893-1899)(48)
University of Oxford. Observatory(37)
Hertzsprung, Ejnar (1873-1967)(32)
Holden, Edward S. (1846-1914)(32)
Astrophysikalisches Observatorium zu Potsdam (1874-1969)(31)