Monthly Notices of the Royal Astronomical SocietyPriestly and Weale, 1858 |
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Page 10
... Arcturus . The tail , when it left the head pointed at first not quite to a Draconis , but to a place between a Draconis and y Ursa Minoris , but nearer the former ; the curvature then made the extremity of the tail point to the right ...
... Arcturus . The tail , when it left the head pointed at first not quite to a Draconis , but to a place between a Draconis and y Ursa Minoris , but nearer the former ; the curvature then made the extremity of the tail point to the right ...
Page 13
... Arcturus was in the middle of the tail at 7h 15m M.T .; its distance from the nucleus being as nearly as possible equal to twice the width of the tail measured through the point bisecting that distance .- [ W . C. ] Oct. 9 , 7h . The ...
... Arcturus was in the middle of the tail at 7h 15m M.T .; its distance from the nucleus being as nearly as possible equal to twice the width of the tail measured through the point bisecting that distance .- [ W . C. ] Oct. 9 , 7h . The ...
Page 16
... Arcturus , which was very close to the nucleus , and to stars - of Ursa Major . " Oct. 6 , 7h . The cusp of the nucleus not so sharp to - night ; the left - hand irregular patch seen , but the one above scarcely discernible . There was ...
... Arcturus , which was very close to the nucleus , and to stars - of Ursa Major . " Oct. 6 , 7h . The cusp of the nucleus not so sharp to - night ; the left - hand irregular patch seen , but the one above scarcely discernible . There was ...
Page 19
... Arcturus . 2. The Envelope . This was of considerable extent , much fainter than the nucleus , but brighter than the exterior haze and train . Instead of being a hemispherical cap , serving as a base to the tail , as in the comet of ...
... Arcturus . 2. The Envelope . This was of considerable extent , much fainter than the nucleus , but brighter than the exterior haze and train . Instead of being a hemispherical cap , serving as a base to the tail , as in the comet of ...
Page 22
... Arcturus it was remarkable how dis- tinctly and fully the light of the large object - glass brought out the tail , even close to the dazzling disk of that vivid star . To the naked eye there was a remarkable irregularity in the curve of ...
... Arcturus it was remarkable how dis- tinctly and fully the light of the large object - glass brought out the tail , even close to the dazzling disk of that vivid star . To the naked eye there was a remarkable irregularity in the curve of ...
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Common terms and phrases
Adams Admiral Smyth angle Apparent N.P.D. Apparent R.A. h m appearance April Arcturus Astronomer Royal axis bright calculated Captain Carrington Catalogue centre coefficient comparison computed correction crater dark determined diameter direction disk distance Donati's Comet eclipse edge elements envelope ephemeris epoch equations equatoreal error exhibited Geminus Greenwich instrument Jupiter l'éclipse l'équation l'on latitude length light longitude luminous lunar Lune magnitude Mean Solar measures Memoirs meridian Minor Planets mirror Monthly Notices moon moon's limb mouvement Nautical Almanac nearly Norman Pogson nucleus object-glass obtained occultation October orbit paper perihelion phenomena polar position present Prof Professor proper motions rays réfractions remarkable right ascensions ring Royal Observatory Saturn séculaire seen Sept Sheepshanks side Society solar spots standard stars sun's surface T. W. Webb tail telescope theory tion Variable Star visible volume