Pulfrich, Carl (1858-1927)(67)
Vogt, Heinrich (1890-1968)(61)
Carl Zeiss (Jena) (1846-1945)(55)
Asztrofizikai Obszervatórium (Herény)(54)
Konkoly Thege, Miklós (1842-1916)(51)
Barnard, Edward Emerson (1857-1923)(50)
Central-Magazin für Photographen-Bedarf Ernst Herbst & Firl (1893-1899)(48)
Meyermann, Bruno (1876-1963)(44)
University of Oxford. Observatory(38)
Hertzsprung, Ejnar (1873-1967)(32)
Holden, Edward S. (1846-1914)(32)
Pannekoek, Anton (1873-1960)(32)
Astrophysikalisches Observatorium zu Potsdam (1874-1969)(31)