6100 



20G 



Descriptive AstronomF. 



Oppenheim, S[amuel]. Saturn uiid 

 sein Ring. Wien, MonBl. Wiss. Klub, 

 25, (1903/1904), 1904, (71-76). 



6110 



OBSERVATIONS OF POSI- 

 TION OF SATURN. 



UHANC?. 



6210 OBSERVATIONS OF POSI- 

 TION OF URANUS. 



Greenwich, Royal Observatory. Right 



Ascensions and North. Polar distances o£ 

 the centre of Uranus. Cireenwich. 

 Obsns., 1901, 1903, (114-115, {S^j ). 



Greenwich, Royal Observatory. Right 

 ascensions and North Polar distances of 

 the centre of Saturn. Greenwich 

 Obsns., 1901, 1903, (113-111, 'S3-~ 



6120 CONSTANTS, DIMENSIONS, 

 DIAMETER AND FIGURE, 

 MASS AND DENSITY OF 

 SATURN. 



Greenwich, Royal Observatory. Side- 

 real times occupied by the transit of the 

 diameter of Saturn, and vertical dia- 

 meters of Saturn corrected for Refrac- 

 tion and Parallax, compared with the 

 corresponding results of the Nautical 

 Almanac. Greenwich Obsns., 1901, 

 1903, (99, {73} ). 



6220 CONSTANTS, DIMENSIONS, 

 DIAMETER AND FIGURE, 

 MASS AND DENSITY OF 

 URANUS. 



Greenwich, Royal Observatory. Side- 

 j-cal times occujjied by the transit of 

 the Diameter of Uranus, and Vertical 

 Diameters of Uranus, corrected for 

 Refraction and Parallax, compared with 

 the corresponding results of the Nautical 

 Almanac. Greenwich Obsns., 1901, 

 1903,(99, {7S]). 



6300 



NEPTUNE. 

 GENERAL. 



Sampson, R. A. A description of 

 iVdanis's manuscripts on the perturba- 

 tions of Uranus. London, Mem. R. Astr. 

 Soc, 54, 1904, (143-170, with 10 fac- 

 similes of MSS.j. 



6140 ROTATION, CONFIG UR.\- 

 TION OF SURFACE OF 

 SATURN. 



Brenner, Leo. Glanzender Fleck auf 

 Saturn. Lussinpiccolo, Astr. Rdscii., 5, 

 1903, (181-185). 



Denning, W. F. Saturn. Knowled2:e, 

 London, (N. Ser.), 1, 1904, (91). 



The rotation period of 



Saturn. London, Mou. Not. R. Astr. 

 Soc, 64, 1904, (7G7-768). 



Hough, G. W. The rotation period of 

 the planet Saturn. London, Mou. Not. 

 R. Astr Soc, 64, 1904, (550-553). 



McHarg, John. Spot on SaHiru. 

 Engl. Mech., London, 79, 1901, (551). 



Rossard, F. Observation de la tache 

 brillante de Saturne a I'equatorial de 

 0™, 38 de I'observatoire de Toulouse. 

 Paris, C.-R. Acad, sci., 136, 1903, 

 (1623). 



6310 OBSERVATIONS OF POSI- 

 TION OF NEPTUNE. 



Greenwich, Royal Observatory. Right 

 nsi-ensions and North Polar distances of 

 Neptune. Greenwich Obsns., 1901> 

 1903,(11.5). 



6320 CONSTANTS, DIMENSIONS, 

 DIAMETER AND FIGURE, 

 MASS AND DENSITY OF 

 NEPTUNE. 



Strehl, K. Beugungstheoretische.'* 

 [Neptundnrchmesser]. Astr. Nachr., 

 Kiel, 165, 1904, (51-54). 



6400 



EXTRA-NEPTUNIAN 

 PLANETS. 



Lau. Sur la question des planetes 

 transneptuniennes. Bui. astr., Paris, 20, 



1903, (251-256). 



