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 263
... Heliometer . The systematic observation of the major planets at the time of opposition has been continued and the following observations secured : Opposition of Neptune ( 1907 ) Mars دو Uranus Saturn " Neptune ( 1908 ) * 40 obs . on 5 ...
... Heliometer . The systematic observation of the major planets at the time of opposition has been continued and the following observations secured : Opposition of Neptune ( 1907 ) Mars دو Uranus Saturn " Neptune ( 1908 ) * 40 obs . on 5 ...
Page 265
... heliometer , the times of ingress and egress were observed by six different observers with the various equatorials . Comets . Comet 1907 a was observed with the Victoria tele- scope on 6 nights , and the results have been communicated ...
... heliometer , the times of ingress and egress were observed by six different observers with the various equatorials . Comets . Comet 1907 a was observed with the Victoria tele- scope on 6 nights , and the results have been communicated ...
Page 273
... heliometer , which has long been out of use , was dismounted , and the 10 - inch Barclay equatorial erected in its place in February 1907. To this instrument has been adapted the Grubb bifilar micrometer made for the 18 - inch . This ...
... heliometer , which has long been out of use , was dismounted , and the 10 - inch Barclay equatorial erected in its place in February 1907. To this instrument has been adapted the Grubb bifilar micrometer made for the 18 - inch . This ...
Page 298
... heliometer . This work has now been accomplished , and the final results are published under the title of " Selenographische Koordi- naten " in Bd . xxx . der Abhand . der Math . Phys . Klasse der k . Sächs . Gesell . der Wiss . , the ...
... heliometer . This work has now been accomplished , and the final results are published under the title of " Selenographische Koordi- naten " in Bd . xxx . der Abhand . der Math . Phys . Klasse der k . Sächs . Gesell . der Wiss . , the ...
Page 303
... heliometer . Some idea of the magnitude of the undertaking may be gathered from the fact that it had been in progress for thirteen years . With a very few exceptions the stars selected were those having proper motions exceeding 40 " per ...
... heliometer . Some idea of the magnitude of the undertaking may be gathered from the fact that it had been in progress for thirteen years . With a very few exceptions the stars selected were those having proper motions exceeding 40 " per ...
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Common terms and phrases
angle appear Astrographic axis bright brighter calculated 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 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 ΟΣ دو