Monthly Notices of the Royal Astronomical SocietyPriestly and Weale, 1858 |
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... employed having already been ex- plained and sufficiently illustrated in these pages , it is only necessary on this occasion to explain the arrangement of the accompanying map . In a mean solar day the sun rotates through an angle of 14 ...
... employed having already been ex- plained and sufficiently illustrated in these pages , it is only necessary on this occasion to explain the arrangement of the accompanying map . In a mean solar day the sun rotates through an angle of 14 ...
Page 1
... employed as a sufficient correction of the middle instant indi- cated by the chronometer , between the A.M. and P.M. obser- vations of equal altitudes of the sun , to deduce the time shown by the chronometer at noon ; and this , too ...
... employed as a sufficient correction of the middle instant indi- cated by the chronometer , between the A.M. and P.M. obser- vations of equal altitudes of the sun , to deduce the time shown by the chronometer at noon ; and this , too ...
Page 19
... employed . As far as I could judge in the use of an excellent little 24 - inch object- glass by Bardon , I think its distinctness on Oct. 11 had in- creased , as compared with its aspect on Sept. 21. Its colour was a clear yellow , not ...
... employed . As far as I could judge in the use of an excellent little 24 - inch object- glass by Bardon , I think its distinctness on Oct. 11 had in- creased , as compared with its aspect on Sept. 21. Its colour was a clear yellow , not ...
Page 25
... will be read with interest . It may be mentioned that the comet of 1811 was observed for several months by the gallant admiral while employed on active service in the Mediterranean : " In re the magnificent comet , I have been.
... will be read with interest . It may be mentioned that the comet of 1811 was observed for several months by the gallant admiral while employed on active service in the Mediterranean : " In re the magnificent comet , I have been.
Page 28
... employed is two - tenths of an inch to a degree . The tail of the comet is seen extending to Ursa Majoris . The curvature is very well shown . The author has also given a delineation of the position of the comet relatively to the ...
... employed is two - tenths of an inch to a degree . The tail of the comet is seen extending to Ursa Majoris . The curvature is very well shown . The author has also given a delineation of the position of the comet relatively to the ...
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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