Harvard-Smithsonian Center for Astrophysics Harvard Observatory Plate Stacks RH Series Observing Logs Volume 19 7 September 1948 - 29 April 1952

Volume 01: 1928-01-01 - 1928-08-13 (00001-00440) Volume 02: 1928-08-15 - 1929-02-18 (00441-01019) Volume 03: 1929-02-20 - 1930-09-11 (01020-01478) Volume 04: 1929-09-12 - 1930-03-27 (01479-02026) Volume 05: 1930-03-28 - 1930-09-19 (02027-02459) Volume 06: 1930-09-22 - 1931-04-14 (02460-03060) Volume 07: 1931-04-15 - 1931-11-04 (03061-03576) Volume 08: 1931-11-05 - 1932-05-05 (03577-04157) Volume 09: 1932-05-08 - 1932-09-23 (04158-04848) Volume 10: 1932-09-24 - 1933-05-11 (04849-05097) Volume 11: 1933-05-14 - 1934-07-22 (05098-06116) Volume 12: 1934-08-05 - 1937-03-23 (06117-07606) Volume 13: 1937-03-29 - 1939-07-12 (07607-08967) Volume 14: 1939-07-13 - 1941-06-20 (08968-10380) Volume 15: 1941-06-21 - 1943-07-02 (10381-11566) Volume 16: 1943-07-06 - 1944-02-25 (11567-12245) Volume 17: 1944-01-30 - 1945-11-05 (12242-13498) Volume 18: 1945-11-06 - 1948-09-05 (13499-14720) Volume 19: 1948-09-07 - 1952-04-29 (14721-15834) Volume 20: 1952-07-13 - 1952-11-28 (15835-15906) Logbook displays in this window. To switch to two-window display, click here.

1948 Cover 002 004 006 008 010 012 014 016 018 020 022 024 026 028 030 033 034 036 1949 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 1950 100 102 104 106 108 110 112 114 116 118 120 122 124 126 128 130 130 132 134 136 138 140 142 144 146 148 150 152 154 156 1951 156 158 160 162 164 166 168 170 172 174 176 178 180 182 184 186 188 190 192 194 196 198 200 1952 200 202