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 9
... instrument , on an improved method of illuminating the field in , Sir W. H. M. and H. A. H. Christie Treasurer's account for 1907 Trépied , Charles , obituary notice of .. Trust funds 28 287 396 571 181 222 252 224 Turner , H. H. , note ...
... instrument , on an improved method of illuminating the field in , Sir W. H. M. and H. A. H. Christie Treasurer's account for 1907 Trépied , Charles , obituary notice of .. Trust funds 28 287 396 571 181 222 252 224 Turner , H. H. , note ...
Page 6
... instrument used for the observations of the cyanogen bands is a new grating spectroscope made by the Cambridge Scientific Instrument Company , and recently mounted for solar observation at the Cambridge Observatory . It forms part of ...
... instrument used for the observations of the cyanogen bands is a new grating spectroscope made by the Cambridge Scientific Instrument Company , and recently mounted for solar observation at the Cambridge Observatory . It forms part of ...
Page 7
... instrument , which is of very rigid construction and weighs about 6 hundredweight ( 300 kilogrammes ) , has been mounted hori- zontally on roller bearings , which allow of easy rotation of the whole about a horizontal axis , so that the ...
... instrument , which is of very rigid construction and weighs about 6 hundredweight ( 300 kilogrammes ) , has been mounted hori- zontally on roller bearings , which allow of easy rotation of the whole about a horizontal axis , so that the ...
Page 8
... instrument great care had to be exercised in overcoming the erratic performance of the grating ; and in order to secure the defining power required for this work it was found necessary to limit the area of the ruled surface by means of ...
... instrument great care had to be exercised in overcoming the erratic performance of the grating ; and in order to secure the defining power required for this work it was found necessary to limit the area of the ruled surface by means of ...
Page 16
... instrument was attached to the 6 - in . Cooke equatorial in the south dome of this observatory , the plane of dispersion being made parallel to a circle of declination . For guiding , a straight - edged bar was placed in the eyepiece of ...
... instrument was attached to the 6 - in . Cooke equatorial in the south dome of this observatory , the plane of dispersion being made parallel to a circle of declination . For guiding , a straight - edged bar was placed in the eyepiece of ...
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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