Popular Astronomy, Volumes 58-59

absolute magnitudes American angle appeared Arizona asteroids Astr Astronomical Society atmosphere August binaries bright Canyon Diablo Carleton College cohenite College comet coördinates Department of Astronomy diameter Diedrich Dome earth eclipse Ephemeris errors FIGURE film Gingrich given Harvard Harvard College Observatory Holden instrument interest iron July June Jupiter kamacite latitude Lick Observatory lines luminosity Mars mass maximum measured meeting Meteorite Crater Meteoritical Society meteors Mexico minor planets moon Mount Wilson mountain nebulae night Notes Nova object observed obtained OCCULTATIONS VISIBLE orbit paper parallax period photographic planets plates plessite POPULAR ASTRONOMY position present Professor proper motion reference refractor reports Saturn schreibersite Secchi shows siderite solar specimen spectra spectral class spectroscopic spectrum stellar Sunspot surface Table taenite telescope tion University of California Variable Star velocity Venus Yerkes Observatory