Telescope Data Center Harvard Plate Collection Harvard-Smithsonian Center for Astrophysics
 Harvard Observatory Plate Stacks
MF Series Plate Centers
Click here for temporal distribution

Entire Series
(30090 plates)
1915-1920
(2682 plates)
1920-1930
(6282 plates)
1930-1940
(11481 plates)
1940-1950
(8512 plates)
1950-1962
(1133 plates)