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 7
... direction on the centre of the slit always passes through the centre of the collimator - camera lens , whatever may be the position angle of the slit . The true optic axis passes through the focal plane at a point midway between the ...
... direction on the centre of the slit always passes through the centre of the collimator - camera lens , whatever may be the position angle of the slit . The true optic axis passes through the focal plane at a point midway between the ...
Page 9
... direction . Six iron lines , two chromium lines , and five cyanogen lines were chosen for measurement between wave - lengths 3871 and 3898. Each plate was measured twice in reversed positions on the Zeiss Comparator . The values of the ...
... direction . Six iron lines , two chromium lines , and five cyanogen lines were chosen for measurement between wave - lengths 3871 and 3898. Each plate was measured twice in reversed positions on the Zeiss Comparator . The values of the ...
Page 13
... directions , y 05 towards the red on the July plate , & the same amount towards the violet on both plates . List of Lines affected in Sun - spot Spectra in Nov. 1907. The Ultra - Violet Region in Sun - spot Spectra . 13.
... directions , y 05 towards the red on the July plate , & the same amount towards the violet on both plates . List of Lines affected in Sun - spot Spectra in Nov. 1907. The Ultra - Violet Region in Sun - spot Spectra . 13.
Page 22
... direction of the daylight illumination , a very successful negative was secured , a reproduction of a positive from which is seen in fig . 2 ( Plate 2 ) . Around the centre of the lens will be observed a great number of small white ...
... direction of the daylight illumination , a very successful negative was secured , a reproduction of a positive from which is seen in fig . 2 ( Plate 2 ) . Around the centre of the lens will be observed a great number of small white ...
Page 23
... directions , throwing out ramifications as the growth from this area progressed . Under the microscope it was found that the markings were really crystals , forming at first about the small area , and then gradually growing outwards ...
... directions , throwing out ramifications as the growth from this area progressed . Under the microscope it was found that the markings were really crystals , forming at first about the small area , and then gradually growing outwards ...
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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