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 46
... telescope ? Mr. Melotte . I think there is some misunderstanding . Freundlich's astrographic objective is a doublet * and not of the same type as the Greenwich astrographic telescope . Mr. Greaves . A large section of this paper is ...
... telescope ? Mr. Melotte . I think there is some misunderstanding . Freundlich's astrographic objective is a doublet * and not of the same type as the Greenwich astrographic telescope . Mr. Greaves . A large section of this paper is ...
Page 47
... telescope in 1929 , and if I remember correctly the weight was reduced to about 40 per cent . , not 1/9 , when the ... telescope . I think it should be possible to test this from observations made with astrographic telescopes over an ...
... telescope in 1929 , and if I remember correctly the weight was reduced to about 40 per cent . , not 1/9 , when the ... telescope . I think it should be possible to test this from observations made with astrographic telescopes over an ...
Page 114
... telescope and 500 with the McClean telescope . It seemed worth while to attempt some control over the possible effects which might be introduced by colour differences between Eros and the comparison stars , and for that purpose to use ...
... telescope and 500 with the McClean telescope . It seemed worth while to attempt some control over the possible effects which might be introduced by colour differences between Eros and the comparison stars , and for that purpose to use ...
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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