228 



Long'Uude and Latitude nf the Comet. 



UUSA MAJOR. 



/S* 



* These are taken by supposing a line to be drawn from the comet to 3 

 point directly under the star. 



To Mr. Tilloch.—Siu, You will find annexed (see Plate 

 V.) a sketch of the situation of the comet, as it appeared 

 to the eve on the 14ih of September 181 1, at about 8 p. m. 



The comet's place is laid down from the actual distances 

 ineasured by an exceedinglv good sextant made by Messrs. 

 W. and S.Jones; the distances set down are the mean of 

 three observations to each distance, and can be depended on 

 to within a few seconds. They are as follows: viz. 



S^' O' 7" mean time comet at Alioth = 18° 46' 48''' 



8 3 22 do do at Dubhe = 19 9 40 



I am, &c. * H. F. P. 



London, Sept. 16, 18; 1. 



Lonsili^de and Latitude of the Comet dediiccd from the 01' 

 servaiions made at the Royal Observatory, Greenwich. 



