Monthly Notices of the Royal Astronomical SocietyPriestly and Weale, 1858 |
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Results 1-5 of 35
Page 10
... diameter ; no bright ring . 4th . The nucleus , concentric with the last , about one - third of its diameter , well defined , and looking very hard . From the nucleus a dark shadow diverged , with an angle at first of 30 ° or more , di ...
... diameter ; no bright ring . 4th . The nucleus , concentric with the last , about one - third of its diameter , well defined , and looking very hard . From the nucleus a dark shadow diverged , with an angle at first of 30 ° or more , di ...
Page 13
... diameter of the field of view 115 ' . 66 Aug. 23. Bright , but no trace of a tail ; the sky clear , but the moon nearly at full . 66 " Aug. 27. Condensed nucleus . Aug. 30. Tail to north . Sept. 7. Very conspicuous to the naked eye ...
... diameter of the field of view 115 ' . 66 Aug. 23. Bright , but no trace of a tail ; the sky clear , but the moon nearly at full . 66 " Aug. 27. Condensed nucleus . Aug. 30. Tail to north . Sept. 7. Very conspicuous to the naked eye ...
Page 19
... diameter . Nucleus estimated to be 10 " diameter , remarkably well de- fined . Its appearance reminded me of the disk of the planet Uranus in this telescope with a power of 400 when the at- mosphere was unfavourable enough to make the ...
... diameter . Nucleus estimated to be 10 " diameter , remarkably well de- fined . Its appearance reminded me of the disk of the planet Uranus in this telescope with a power of 400 when the at- mosphere was unfavourable enough to make the ...
Page 22
... diameter 4 " 8 . Envelope very large and bright ; the posterior edges greatly prolonged behind the nucleus and opening out at an angle slightly differing from 90 ° by estimation . Parameter 59 ′′ . To the naked eye , Arcturus , through ...
... diameter 4 " 8 . Envelope very large and bright ; the posterior edges greatly prolonged behind the nucleus and opening out at an angle slightly differing from 90 ° by estimation . Parameter 59 ′′ . To the naked eye , Arcturus , through ...
Page 25
... diameter ; in shape round . Oct. 9 , 6 P.M. Nucleus large , paraboloidal , with a brighter core . Diameter of outer nucleus 31 " ; inner ditto 9 " . Envelope had vanished ; no trace whatever of any . The tail had greatly diminished in ...
... diameter ; in shape round . Oct. 9 , 6 P.M. Nucleus large , paraboloidal , with a brighter core . Diameter of outer nucleus 31 " ; inner ditto 9 " . Envelope had vanished ; no trace whatever of any . The tail had greatly diminished in ...
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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