Astronomical Register: A Medium of Communication for Amateur Observers and All Others Interested in the Science of Astronomy, Volumes 15-16J. D. Potter., 1878 - Astronomy |
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Page 3
... measures of the ligament are inversely proportionate to the object - glass . 2. It is always possible to get rid of the ligament , and reduce the phenomenon to geometrical contacts either by reducing the intensity of the source of light ...
... measures of the ligament are inversely proportionate to the object - glass . 2. It is always possible to get rid of the ligament , and reduce the phenomenon to geometrical contacts either by reducing the intensity of the source of light ...
Page 4
... Measures of the irradiation in the case of the sun and moon and of the diameter of the diffraction discs of stars have been made long ago . The law for finding the diameter of the discs with various apertures is given in the Astronomer ...
... Measures of the irradiation in the case of the sun and moon and of the diameter of the diffraction discs of stars have been made long ago . The law for finding the diameter of the discs with various apertures is given in the Astronomer ...
Page 6
... measures should be made of the sun's diameter as seen with glasses of various colours , but it turned out that the difference of diameter was not sufficient to be detected . Mr. Ranyard : Secchi has also , I believe , 6 Meeting of the ...
... measures should be made of the sun's diameter as seen with glasses of various colours , but it turned out that the difference of diameter was not sufficient to be detected . Mr. Ranyard : Secchi has also , I believe , 6 Meeting of the ...
Page 8
... measures with his polarizing eye - piece , and gave upon the black board the measures which he had obtained of the brightness of different parts of the disc . The brightest portion was a nearly stellar point seven times as bright as the ...
... measures with his polarizing eye - piece , and gave upon the black board the measures which he had obtained of the brightness of different parts of the disc . The brightest portion was a nearly stellar point seven times as bright as the ...
Page 11
... measures of the co - ordi- nates of the outlines of Venus and of the Sun to be corrected for refraction ( he gives his method of applying this correction at the end of the memoir ) , then supposing F ( x , y ) = o to be the equation to ...
... measures of the co - ordi- nates of the outlines of Venus and of the Sun to be corrected for refraction ( he gives his method of applying this correction at the end of the memoir ) , then supposing F ( x , y ) = o to be the equation to ...
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Common terms and phrases
1st Oc 1st Sh 1st Tr 2nd Oc 2nd Sh 2nd Tr angle aperture appear Ascension Astronomer-Royal Astronomical Register atmosphere bright lines Bye-laws catalogue centre Christie clouds comet Conjunction of Moon corona corresponding Council crater dark diameter Dione disc distance double stars Dunkin eclipse Editor Encel equatorial error Greenwich heliometer Hyginus inches inner satellite instrument Jupiter Jupiter's Satellites light limb longitude Lord Lindsay lunar Mars Mean Noon measures meeting Mercury meteors miles Mimas minor planet moon's motion Neison object observations Occultation orbit paper parallax photographs planet position present prism Proctor Prof Professor proper motions Ranyard Reappearance of ditto remarks Rhea right ascension ring Royal Astronomical Society Royal Observatory Saturn Schröter seen Sidereal slit spectroscope specular reflection spot surface telescope Tethys theory Thur tion transit of Mercury transit of Venus Tues visible