Popular Astronomy, Volume 52Goodsell Observatory of Carleton College, 1944 |
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Page 429
... telescope for solar study was for a number of years confined to the fall and winter , from late in September until late in March , when I could view the Sun during the early morning hours . In the spring and summer several small telescopes ...
... telescope for solar study was for a number of years confined to the fall and winter , from late in September until late in March , when I could view the Sun during the early morning hours . In the spring and summer several small telescopes ...
Page 432
... telescope and about two years later came into possession of a very good 41⁄2 - inch object glass , mounted equatorially , with which he continued observing until incapa- citated by the illness from which he died . It was early in the ...
... telescope and about two years later came into possession of a very good 41⁄2 - inch object glass , mounted equatorially , with which he continued observing until incapa- citated by the illness from which he died . It was early in the ...
Page 434
... telescope stand may not be out of place . As first put together for portable use , the tripod legs were not substantial enough for the firmness essential to ideal performance and were shortly replaced by stouter ones , of solid mahogany ...
... telescope stand may not be out of place . As first put together for portable use , the tripod legs were not substantial enough for the firmness essential to ideal performance and were shortly replaced by stouter ones , of solid mahogany ...
Contents
THE MILKY WAY BART J BOK | 261 |
EXPERIMENTAL MOON CRATERS WILly Ley | 278 |
RECURRENCE OF FLOODS AND DROUTHS AFTER INTERVALS | 284 |
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absorption appear April Arabic Astr Astronomical Society August average B.Taur binary bright Catalogue Cepheids clusters color computed coördinate number crater cycle Cygni derived diameter distance distribution double stars earth eclipse emission Ephemeris fall field fireball galactic center galaxy given Greenwich Harvard indicated interstellar investigation July Jupiter km/sec latitude Lick Observatory light curve lines magnitude Mars mass maximum measured meteor meteorite method miles Milky months Moon nebulae Notes Nova object Observatory obtained OCCULTATIONS VISIBLE October orbit Otto Struve oxide parallaxes perihelion photographic planet plates position present probably proper motions Pulkovo radial velocities record region relative right ascension rotation Saturn Shapley siderite solar spectral class spectral types spectroscopic spectrum spots SS Cygni star density stellar Struve sunspots Table telescope temperature tion University Variable Star VISIBLE IN LONGITUDE visual Wilson