Annals of the Astronomical Observatory of Harvard College, Volume 28, Part 1

1.5 as intense 29 Canis Majoris A. G. C. magn Auriga belonging to Division Boötes Boötis bright band bright lines calcium line Camelop Canis Majoris Capricornus Carina Cassiop Centaurus Cepheus Cetus column gives Constellation Cygni Cygnus dark band dark lines double Draco edge of greater edge of shorter Eridanus F8 G faint lines fainter four prisms G band Gemini greater wave length Group VII Group XV hazy helium lines Hồ Hẞ Hydra hydrogen lines intense as Hy intermediate line H lines of hydrogen Lupus narrow Ophiuch Orion lines Orion type Pavo Perseus photographs Plate Numbers plates taken preceding group prisms Puppis Remarks resembles Sagittarius Scorpius shorter wave length solar lines spectra of Class spectrum of A. G. C. stars of Division stars of Group superposed Taurus Telescopium Tucana type stars typical star Vela VIII.a XII.a XIV.a XV.a