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Photograph taken of a spiral nebula, located near the Great Dipper, as seen from Yerkes Observatory
ARP23A13_428

Photograph taken of a spiral nebula, located near ...

Otto Wilhelm Struve
ARP07114_011008P

Otto Wilhelm Struve

George Ellery Hale (1868-1938) Astronome américain
ARP07095_390001336

George Ellery Hale (1868-1938) Astronome américain