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 16
... seen . This is probably due to the low altitude of the comet , for the spectrum of Regulus , then about 3 ° N. of the comet , is only faintly impressed on the plate . Wratten's " Drop Shutter " plates were used in all the trials . In ...
... seen . This is probably due to the low altitude of the comet , for the spectrum of Regulus , then about 3 ° N. of the comet , is only faintly impressed on the plate . Wratten's " Drop Shutter " plates were used in all the trials . In ...
Page 22
... seen in fig . 2 ( Plate 2 ) . Around the centre of the lens will be observed a great number of small white spots which represent the markings in question . These are quite different in form and character from any of those which have ...
... seen in fig . 2 ( Plate 2 ) . Around the centre of the lens will be observed a great number of small white spots which represent the markings in question . These are quite different in form and character from any of those which have ...
Page 23
... seen in the centre portion of the lens illustrated in fig . 1 ( Plate 2 ) . In the case of the markings on the back surface of the front lens , the form of crystallisation is quite different . Here , under the microscope , the markings ( ...
... seen in the centre portion of the lens illustrated in fig . 1 ( Plate 2 ) . In the case of the markings on the back surface of the front lens , the form of crystallisation is quite different . Here , under the microscope , the markings ( ...
Page 24
... seen that the formation is quite irregular , and , as a rule , there does not seem to be a point of origin , as if their existence was due in the first instance to the presence of a speck of dust . On the surface of this lens there ...
... seen that the formation is quite irregular , and , as a rule , there does not seem to be a point of origin , as if their existence was due in the first instance to the presence of a speck of dust . On the surface of this lens there ...
Page 28
... seen , the channel is directed in its first part almost exactly from south to north . At a distance of about 1 degree from the centre of the nebula the channel is divided into two branches . The eastern branch is perhaps shorter , and ...
... seen , the channel is directed in its first part almost exactly from south to north . At a distance of about 1 degree from the centre of the nebula the channel is divided into two branches . The eastern branch is perhaps shorter , and ...
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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