Popular Astronomy, Volume 51Goodsell Observatory of Carleton College, 1943 |
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Page 364
... colour variations rectifies the position and probably complements the selection very efficiently , for mutual eclipses in almost any pair of stars of different temperatures are readily detected by our colour method and actually the ...
... colour variations rectifies the position and probably complements the selection very efficiently , for mutual eclipses in almost any pair of stars of different temperatures are readily detected by our colour method and actually the ...
Page 372
... colour whenever their colours are constant - the others require to be used only with due caution . An assurance that the colour of a star is normal also guarantees that the magnitude shall be normal . Thus on November 10 , 1942 , the ...
... colour whenever their colours are constant - the others require to be used only with due caution . An assurance that the colour of a star is normal also guarantees that the magnitude shall be normal . Thus on November 10 , 1942 , the ...
Page 383
... colour equivalents of stars derived from world - wide sources . Towards this work we had contributed our First Colour Index Report ( 1934 ) and when the publication reached us about 300 stars occurring in the catalogue had also been ...
... colour equivalents of stars derived from world - wide sources . Towards this work we had contributed our First Colour Index Report ( 1934 ) and when the publication reached us about 300 stars occurring in the catalogue had also been ...
Contents
Frontispiece Plate 1 The Moon | 9 |
The Moon Wm W Payne | 16 |
Concerted Observation of the Aurora M A Veeder | 22 |
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altitude American angle appears asteroids Astronomical Society ataxite atmosphere August brighter brightness catalogs celestial colour comet Copernican Copernicus Cygni December determined diameter distance Earth eclipse Ephemeris equinox error estimates explosion eyepiece fall February feet fireball given Goodsell Observatory Greenwich Harlow Shapley Harvard Harvard College Observatory January Jupiter latitude light curve longitude lunar magnitude March Mare Imbrium Mars mass mathematics maximum meteorite method miles Moon Moon's motion navigation nebulae Notes Nova object observations obtained occultation orbit OTERMA parallax path period photographic planet plates Pleione POPULAR ASTRONOMY position present probably Professor proper motions reports rotation Saturn SCRIPTA MATHEMATICA seen siderites solar spectral spectral type spectroscopic sphere SS Cygni stellar surface telescope theory tion Tucson University Variable Star velocity Venus visible visual visual magnitude volume