Harvard-Smithsonian Center for Astrophysics Harvard Observatory Plate Stacks BM Series Observing Logs Volume 1 26 January 1940 - 05 February 1941

Volume 01: 1934-01-30 - 1940-01-25 Volume 02: 1940-01-26 - 1941-02-05 Logbook displays in this window. To switch to two-window display, click here or on current volume above.

1940 Cover 002 004 006 008 010 012 014 016 018 020 022 024 026 028 030 033 034 036 038 040 042 044 046 048 050 052 054 056 058 060 062 064 066 068 070 072 074 076 078 080 082 084 086 088 090 092 094 096 098 100 102 104 1941 106 108 110 112 114 116