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
... object glass or mirror . By means of this surface he had calculated the theoretical diffraction at various parts of the field of view , when a uniform bright surface was observed with a telescope of given aperture , and he had been ...
... object glass or mirror . By means of this surface he had calculated the theoretical diffraction at various parts of the field of view , when a uniform bright surface was observed with a telescope of given aperture , and he had been ...
Page 23
... object we meet with is a craterlet , XV . of the synopsis , near the north end of the west wall , it is w of Neison map XIX . Immediately east of this craterlet is a ridge XXIV . of the synopsis extending from the west wall in a north ...
... object we meet with is a craterlet , XV . of the synopsis , near the north end of the west wall , it is w of Neison map XIX . Immediately east of this craterlet is a ridge XXIV . of the synopsis extending from the west wall in a north ...
Page 25
... object- glass is smaller than the eye - piece , it is probable that it dates at least from the beginning of the last century . The following candidates for the Fellowship of the Society were balloted for and duly elected : Robert John ...
... object- glass is smaller than the eye - piece , it is probable that it dates at least from the beginning of the last century . The following candidates for the Fellowship of the Society were balloted for and duly elected : Robert John ...
Page 50
... OBJECTS SUITABLE FOR OBSERVATION IN FEBRUARY , 1877 . BY W. R. BIRT , F.R.A.S. , F.M.S. Three portions of the moon's surface ... object . On comparing the drawing of the Mare Crisium by Mr. Webb , especially on the eastern side , in the ...
... OBJECTS SUITABLE FOR OBSERVATION IN FEBRUARY , 1877 . BY W. R. BIRT , F.R.A.S. , F.M.S. Three portions of the moon's surface ... object . On comparing the drawing of the Mare Crisium by Mr. Webb , especially on the eastern side , in the ...
Page 55
... object- glass of the viewing telescope , with its retracting edge perpen- dicular to the lines of the grating . The red of one spectrum is thus seen below the yellow of the next , which in turn is seen below the spectrum of the green ...
... object- glass of the viewing telescope , with its retracting edge perpen- dicular to the lines of the grating . The red of one spectrum is thus seen below the yellow of the next , which in turn is seen below the spectrum of the green ...
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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