Popular Astronomy, Volume 54Goodsell Observatory of Carleton College, 1946 |
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Page 290
... photographic magnitude scale which was independent of visual magnitudes except for zero point . He established a similar scale in the Pleiades by means of point images.18 In establishing these magnitudes from trails , Pickering made use ...
... photographic magnitude scale which was independent of visual magnitudes except for zero point . He established a similar scale in the Pleiades by means of point images.18 In establishing these magnitudes from trails , Pickering made use ...
Page 294
... magnitudes on the Pogson Normal Scale . With such a screen available any ... Photographic Durchmusterung ) , and he and Gill pointed out some of the ... magnitude scale of the Carte 294 The Development of Astronomical Photometry.
... magnitudes on the Pogson Normal Scale . With such a screen available any ... Photographic Durchmusterung ) , and he and Gill pointed out some of the ... magnitude scale of the Carte 294 The Development of Astronomical Photometry.
Page 340
... magnitude scales be adopted as the recommended procedure for determining the magnitudes of the Astrographic Catalog , and that there be established a number of standard photographic magnitude sequences in order to facilitate these ...
... magnitude scales be adopted as the recommended procedure for determining the magnitudes of the Astrographic Catalog , and that there be established a number of standard photographic magnitude sequences in order to facilitate these ...
Contents
Morgan H R Motions in the solar system | 2 |
Names of the sateillites The Samuel G Barton | 122 |
THE SEVENTYFOURTH MEETING OF THE AMERICAN ASTRO | 159 |
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AAVSO aerolite American appeared asteroids Astronomical Society atmosphere average brighter brightness California catalog cell color comet computed constant coördinate number corona Crater curve cycle determined diameter distance earth eclipse effective wave length energy ephemeris equation error exposure fall field filter galvanometer Harvard Harvard College Observatory instruments intensity Jupiter Kepler latitude light longitude lunar magnitude scale maximum means measurements meeting meteorites Meteoritic Falls meteors method moon motion Mount Wilson nebulae North Polar Sequence Nova objective observations Observatory obtained OCCULTATIONS VISIBLE orbit period photoelectric photographic photographic magnitudes photometer photometry Pickering planets plate Polar Sequence present prism Professor Puente-Ladron radiation region reported satellites Saturn September siderites solar spectral spectrophotometry spectrum standard Stebbins stellar sun-spot sunspot surface Table telescope tion U. S. Naval Observatory University Variable Star Venus visual visual magnitude Yerkes Observatory