Telescope Data Center Harvard Plate Collection Harvard-Smithsonian Center for Astrophysics
Harvard Observatory Plate Stacks
A Series Plate Centers

Click here for temporal distribution

Entire Series
(23847 plates)

1890-1900
(3678 plates)

1900-1910
(5369 plates)

1910-1920
(1680 plates)

1920-1930
(2517 plates)

1930-1940
(5866 plates)

1940-1950
(4373 plates)

1950-1960
(350 plates)