of Double Stars, 65 



I. unequal. Both pr. With 460, i diameter of S. or | 

 diameter of L, Pofitloii 89° 18^ f. following. The 

 two farthefl: coniiderably unequal ; the colour r. Difi:. 

 Polition 56*^ 3' n. preceding. 



97. Fl. 51"" Cygni fequens. 



Sept. 24, A minute double flar. About zf degrees following 

 1783. the 51^^, in a line parallel to I and u Cygni ; the largeft 

 and moil fouth of an obtufe-angled triangle ; a very 

 confiderable ftar. Pretty unequal. Both rw. ; but S. 

 a little darker r. With 278, | diameter of S. and 

 beautiful ; with 460, | diameter of S. Pofition 46' 

 24' n, following. 



SECOND CLASS OF DOUBLE STARS. 



11.39. Procyonem juxta. 



Feb. 2, Double. About 2 degrees f. following Procyon, In 



1782. a line from X Geminorum continued through Procyon. 



ExcefTively unequal. L. pr. ; S. not vifible with 278 ; 



with 460, more than 3 diameters of L. Pofition, by 



the affiftance of a wall * and micrometer 54" 28' f. 



following. 



40. 



* When the fmall ftar is fo faint as not to bear the leaft illumination of the 

 wii;es, its pofition may ftill be mcafured by the affiftance of fome wall or other objea ; 

 for an eye which has been fome time in the dark, can fee a wall in a ftiir-light 

 evening fufficiently well to note the projeaion of the ftars upon it, in the manner 



VOL. LXXV K which 



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