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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... disc , 2 ' s Diffraction Experiments , ASTRONOMICAL OCCURRENCES : - 2 Jan. , 20 , 21 July , 180 , 181 Feb. , 48 , 49 Aug. , 204 , 205 Mar. , 74 , 75 Sept. , 236 , 237 April , 102 , 103 Oct. , 276 , 277 May , 126 , 127 Nov. , 304 , 305 ...
... disc , 2 ' s Diffraction Experiments , ASTRONOMICAL OCCURRENCES : - 2 Jan. , 20 , 21 July , 180 , 181 Feb. , 48 , 49 Aug. , 204 , 205 Mar. , 74 , 75 Sept. , 236 , 237 April , 102 , 103 Oct. , 276 , 277 May , 126 , 127 Nov. , 304 , 305 ...
Page 2
... disc . from observations made by M. Ch . André . Father Perry said that M. André had started with the well - known fact that the image of a brilliant point , as seen in a telescope , consists of a central disc surrounded by a succession ...
... disc . from observations made by M. Ch . André . Father Perry said that M. André had started with the well - known fact that the image of a brilliant point , as seen in a telescope , consists of a central disc surrounded by a succession ...
Page 4
... 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 - Royal's tract on the theory of light , and actual measures of the diameter of the discs of stars ...
... 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 - Royal's tract on the theory of light , and actual measures of the diameter of the discs of stars ...
Page 8
... disc . The brightest portion was a nearly stellar point seven times as bright as the edge of the disc ; around this was a circular area and outside that an oblong area of decreasing brightness , which he severally estimated as 15 and 48 ...
... disc . The brightest portion was a nearly stellar point seven times as bright as the edge of the disc ; around this was a circular area and outside that an oblong area of decreasing brightness , which he severally estimated as 15 and 48 ...
Page 16
... disc of the planet - although not , it would seem , where he placed it : but in Mr. Brett's case his assumed observation was made when the planet was in quadrature ; when of course specular reflection could only take place from the limb ...
... disc of the planet - although not , it would seem , where he placed it : but in Mr. Brett's case his assumed observation was made when the planet was in quadrature ; when of course specular reflection could only take place from the limb ...
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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