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 19
... months began with the first observation of the Moon , the 26th of the month must be within a day or two of new moon ; this decidedly increases the probability that the recorded solar darken- ing arose from an eclipse . Both Professor ...
... months began with the first observation of the Moon , the 26th of the month must be within a day or two of new moon ; this decidedly increases the probability that the recorded solar darken- ing arose from an eclipse . Both Professor ...
Page 20
... Months . 12 . March 12 , 1905 . Feb. 18 , 1907 . 23 . Notes on Markings . Very fine curly markings closely packed . Conditions of Situation . In good airy room , tem- perature variable . centre . 3'5 . October 1903 . Feb. 21 , 1907 . 40 ...
... Months . 12 . March 12 , 1905 . Feb. 18 , 1907 . 23 . Notes on Markings . Very fine curly markings closely packed . Conditions of Situation . In good airy room , tem- perature variable . centre . 3'5 . October 1903 . Feb. 21 , 1907 . 40 ...
Page 21
... months . The markings , it will be noticed , are small , and near the middle give the lens a distinct mottled appearance . Nearer the edges their structure becomes more pronounced , and there is a greater distance between them . Fig . 2 ...
... months . The markings , it will be noticed , are small , and near the middle give the lens a distinct mottled appearance . Nearer the edges their structure becomes more pronounced , and there is a greater distance between them . Fig . 2 ...
Page 22
... months they are just beginning to show signs of development of markings . In this initial stage one has observed , with the help of a watchmaker's glass only , that the markings take the form of very small single streaks , more or less ...
... months they are just beginning to show signs of development of markings . In this initial stage one has observed , with the help of a watchmaker's glass only , that the markings take the form of very small single streaks , more or less ...
Page 28
... months should be added to the periods given , on the average . Dr. Lockyer says that he had not been able to notice any deterioration of the optical performance of any of these objectives after being cleaned up , but that no special ...
... months should be added to the periods given , on the average . Dr. Lockyer says that he had not been able to notice any deterioration of the optical performance of any of these objectives after being cleaned up , but that no special ...
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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