Publications of the Astronomical Society of the Pacific, Volumes 63-64

48-inch schmidt A/mm absorption lines Aitken Astronomical Society Astrophysical atmosphere August B-type Berkeley Astronomical Department binaries bright Canis Majoris Cepheid clusters of galaxies color Coma cluster comet components coudé curve Cygni dapd December Dinsmore Alter director dispersion distance dẞd eclipse emission lines exposure faint February flares galactic Griffith Observatory hydrogen intensity January July June km/sec Lick Observatory light-curve luminosity magnetic magnitude maximum measured Moon motion Mount Wilson Mount Wilson Observatory nebulae novae object observations obtained October orbit Otto Struve Pacific Palomar Observatories Periodic Comet phase photoelectric photographic plates Pluto radial velocities reflector refractor region Robert Grant Aitken rotation solar spectra spectrograms spectroscopic spectrum stars stellar sunspot Table temperature tion University of California Uranus variable visual visual magnitude wave lengths Wilson and Palomar Yerkes Yerkes Observatory