Monthly Notices of the Royal Astronomical Society, Volume 68; Volumes 1907-1908Priestley and Weale, 1908 Includes lists of additions to the society's library, usually separately paged. |
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Page 71
... comparison , a picture on the screen of the Snow telescope which is now employed at Mount Wilson . Here is a colostat , with mirror 30 inches in diameter . After passing to a second mirror the light is reflected to a concave mirror of ...
... comparison , a picture on the screen of the Snow telescope which is now employed at Mount Wilson . Here is a colostat , with mirror 30 inches in diameter . After passing to a second mirror the light is reflected to a concave mirror of ...
Page 72
... comparison for a moment , so far as perfection of definition is concerned , with those magnificent photographs of the solar spectrum made by Mr. Higgs in the centre of Liverpool , under conditions which would ordinarily be called very ...
... comparison for a moment , so far as perfection of definition is concerned , with those magnificent photographs of the solar spectrum made by Mr. Higgs in the centre of Liverpool , under conditions which would ordinarily be called very ...
Page 76
... comparison of the calcium and the hydrogen images . Mr. Butler has asked me to explain to - night a point which I unfortunately failed to make clear in my talk here at the last meeting of the Society . In speaking of the relative level ...
... comparison of the calcium and the hydrogen images . Mr. Butler has asked me to explain to - night a point which I unfortunately failed to make clear in my talk here at the last meeting of the Society . In speaking of the relative level ...
Page 82
... comparisons with the planet . It now seems probable that the standard catalogue may have an extended use ; for , as ... comparison of the work of the different observa- tories were published in Solar Parallax Papers Nos . 4 and 5 ( M.N. ...
... comparisons with the planet . It now seems probable that the standard catalogue may have an extended use ; for , as ... comparison of the work of the different observa- tories were published in Solar Parallax Papers Nos . 4 and 5 ( M.N. ...
Page 88
... Comparison of Right Ascensions in Magnitude Groups . Standard System minus- Helsingfors . Northfield . Bordeaux . Catania . Greenwich . Mag . - 7'4 7'5-8.4 8 8 8 S S ( 14 ) - ' 007 ( 78 ) - ' 004 ( 32 ) * 000 ( 12 ) + ' 015 ( 24 ) + ...
... Comparison of Right Ascensions in Magnitude Groups . Standard System minus- Helsingfors . Northfield . Bordeaux . Catania . Greenwich . Mag . - 7'4 7'5-8.4 8 8 8 S S ( 14 ) - ' 007 ( 78 ) - ' 004 ( 32 ) * 000 ( 12 ) + ' 015 ( 24 ) + ...
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Common terms and phrases
angle appear Astrographic axis bright brighter Cape Catalogue centre coefficient colour column comet comparison stars computed corrections correlation curve cyanogen David Gill deduced determination distance Double Stars drift E. E. Barnard Earth eclipse epoch equation equatorial faint formula give given Greenwich groups heliometer instrument Julian Day Jupiter latitude lens Lick Observatory limb lines longitude magnitude Max Wolf mean measures meridian method Monthly Notices Moon nebula nucleus number of stars observations obtained orbit outer condensation paper parallax Paris perihelion perihelion passage period perturbations photographs planet plates position present Professor proper motion reduced reflector refraction refractor region right ascension ring Royal Observatory satellite Saturn seen Sept solar spectra spectral class spectroheliograph spectroscope spectrum spot stellar sun-spot Sun's surface Table telescope tion variable Yerkes Observatory zone ΙΟ