Popular Astronomy, Volume 11; Volume 1903

Algol appear Aquarii Aquilae astronomers atmosphere aurora Austr azimuth belt bright Cancri Carinae catalogue Centauri Cephei circle College Observatory comet computed Crucis Cygni Decl determined disk distance double stars Earth eclipse elements ephemeris equator equatorial Geminorum give given graduation errors Greenwich Mean h d h Harvard College Observatory Herculis hydrogen inches instrument July June Jupiter latitude Leonids Lick Observatory light lines liquid longitude Lyræ magnitude Mars Maxima maximum mean measures meridian meridian circle meteors method miles minimum Moon motion Nova observations Ophiuchi orbit parallax Persei photographs planet plate POPULAR ASTRONOMY position probably Professor proper motion red spot right ascension Roemer rotation period RV Scorpii Sagittae Sagittarii satellite seen Sept solar spectroscopic stellar surface Tauri telescope temperature tion transit Trianguli Ursae Variable Stars velocity Velorum Virginis visible Vulpeculae Yerkes Observatory