318 ' SCIENTIFIC N%WS. 



ter or difc, different from the neighbouring ftars ; whilft the 

 Georgium Sidus in its neighbourhood leaves no doubt of a de- 

 cifive magnitude. 



I am, SIR, Your's, &c. 



W. WALKER. 



The following is the right afcenfion and declination of the 

 planet (Ceres), by Mr. Zach of Gotha, for the commence- 

 ment of the next month *. 



Difc of the pla 

 net Ceres* 



fatellites. 

 Denfe atmo 



fpheic. 



Extract of a Letter from M. Zach, DireBor of the Obfervatory 

 of Gotha, to C. Mechaik, of the Injlitute, Adminiftrator 

 of the Obfervatory at Paris. 



M. Schroeter, at Lilienthal, obferves with his great tele- 

 fcope the difc of the new planet Ceres to be about two fe^ 

 Sufpicion of two conds. He alio fufpecls the exigence of two fatellites. The 

 planet is enveloped in a very thick atmofphere, for it appears 

 to be furrounded with much nebulofity. I am very curious 

 to know what Dr. Herfchel will tell us concerning it. In 

 the mean time, I thought it proper to write this in hafte > 

 &c. &c. 



Elements. Elements of the new planet, corrected by M. Gaufs, from 



the lateft obfervations : — 



Diurnal heliocentric tropical motion . . . . 7 7 0" 7376 

 Tropical revolution .... 1681 days 12hours9 4ec. 



Decade Philof. No. 15. An. x. 



* A fraali map of the ftars above defcribed was given in Mr. 

 Walker's letter j but time did not admit of engraving it. W. N, 



Spider's 



