The Observatory, Volume 56Editors of the Observatory, 1933 Some vols. for 1886- include a special issue: Annual companion to the Observatory. |
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Page 116
... effect of difference of position is rather more than sufficient to wipe out the effect of colour between Eros and the comparison stars . It shows how important is the variation in the position of the stars on the plate . It is hoped ...
... effect of difference of position is rather more than sufficient to wipe out the effect of colour between Eros and the comparison stars . It shows how important is the variation in the position of the stars on the plate . It is hoped ...
Page 117
... Effect of Tidal Variation of the Vertical on the Annual Variation of Latitude " ; I invite him to speak . Dr. Dobbie . This paper deals with the effect on lati- tude observations of a tidal variation of the vertical . If the ...
... Effect of Tidal Variation of the Vertical on the Annual Variation of Latitude " ; I invite him to speak . Dr. Dobbie . This paper deals with the effect on lati- tude observations of a tidal variation of the vertical . If the ...
Page 118
... effect of an earth tide was neglected , the actual tide affecting the observations being considered to be due solely to an oscillation relative to the Earth's surface of the mercury on which the telescope floated . The values for such a ...
... effect of an earth tide was neglected , the actual tide affecting the observations being considered to be due solely to an oscillation relative to the Earth's surface of the mercury on which the telescope floated . The values for such a ...
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Common terms and phrases
absorption appears astrographic Astronomer Royal atmosphere atom bands bright BRITISH ASTRONOMICAL ASSOCIATION calcium Cambridge Cape catalogue central intensities centre chromosphere clock colour comet comparison stars computed correction corresponding craters Crommelin curve Decl density determined discussion distance double stars Earth eclipse effect electrons emission ephemeris equation equatorial Eros frequency galaxies George Darwin give given Greaves Greenwich hydrogen instrument interest investigation ionisation Jupiter km./sec latitude layer light lines longitude magnetic magnitude mean measured meridian meteorite meteors method motion nebulæ observations Observatory obtained orbit oscillator paper period photographs planet planetary plates position possible present President probable error Prof Professor Quadrantids radial velocities radiation Right Ascension rotational speed Sir Arthur Eddington Sir Frank Dyson slide Solar Activity spectra spectrograph spectrum spot Steavenson stellar Sun's sunspot surface tables telescope temperature theory University variable variable stars variation wave-length zero