Popular Astronomy, Volume 51Goodsell Observatory of Carleton College, 1943 |
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Page 207
... altitude , and so in fact at one level it may not even resemble that of another . Atmospheric pres- sure also changes with altitude , it being due to the sustaining weight of the total air column , and so at the higher altitudes this ...
... altitude , and so in fact at one level it may not even resemble that of another . Atmospheric pres- sure also changes with altitude , it being due to the sustaining weight of the total air column , and so at the higher altitudes this ...
Page 366
... altitude is particularly easy when , as is usual in New Zealand now , a star variable in colour is under observation . The usual period of observation is about one hour , and it may be sub- divided into three periods of 20 minutes each ...
... altitude is particularly easy when , as is usual in New Zealand now , a star variable in colour is under observation . The usual period of observation is about one hour , and it may be sub- divided into three periods of 20 minutes each ...
Page 407
... altitude and azimuth are tabulated to the nearest minute and the nearest degree , respectviely , with arguments latitude ( again for the five degrees covered by the volume ) and local hour angle ( 0 ° to 180 ° or down to 10 ° altitude ) ...
... altitude and azimuth are tabulated to the nearest minute and the nearest degree , respectviely , with arguments latitude ( again for the five degrees covered by the volume ) and local hour angle ( 0 ° to 180 ° or down to 10 ° altitude ) ...
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