ABSTRACT
The Dominion Astrophysical Observatory began operating the 1.8 m telescope in 1918, added a 1.2 m telescope in 1962, and then joined the National Research Council of Canada in 1970
The Dominion Astrophysical Observatory began operating the 1.8 m telescope in 1918, added a 1.2 m telescope in 1962, and then joined the National Research Council of Canada in 1970