Publications of the Astronomical Society of the Pacific, Volumes 65-66

absorption activity appears Astronomical Astronomical Society atmosphere August brightness California Canis Majoris changes clouds cluster color Committee comparison complete component continuous curve cycle December determined Directors discussed distance early eclipse effect emission field Figure flare four galactic galaxies give given Hale increase indicated Institution intensity interest July June km/sec known lectures length Lick light lines luminosity magnitude March Mars maximum mean measured meeting Michigan minutes Moon motion Mount Wilson nebula normal NOTES objects observations Observatory obtained Pacific Palomar period phase photographic planet plates position possible present probably Publications radial velocity region relative seen September Society solar spectra spectral type spectrograms spectrum stars stellar strong suggested sunspot surface Table taken telescope temperature tion University University of California variable variation