Jnd LONGIT'UDE of ABERDEEN. 



145 



Determination of the Longitude of the Obfervatory at Aber- 

 deen, from the Apparent Times of Obfervation of the Begin- 

 ning and End of the Solar Eclipfe of 3d June 1 788 : Obferved 

 at Greenwich and Aberdeen. 



Apparent time of begin, at Greenwich, 

 of end. 



Interval, 



h. • " h. ' " 



19 24 464- at Aberdeen, 19 ^^ 19 

 21 I 24 20 57 27 



» 36 371 



I 24 18 



Comput'Xtion of the Apparent Time of Conjunction at Green- 

 wich, on the Spherical Hypothefis. 



Moon's true longitude at beginning, 

 Computed parallax in longitude, 



Moon's apparent longitude nearly. 



Moon's equat. hor. parallax, 

 Sun's horizontal parallax. 



Difference of parallax of fun and moon, 



h. ' " 

 App. time beg. 

 Sun's R. A. 



R. A. meridian, 



Arch, 

 Latitude, 

 Ob. ecliptic, 



Sum, 



Alt. nonag. 

 Vol. IV. 



19 24 46f 

 4 51 3°1- 



o 16 17 

 6 



6 16 17 



51 28 40 

 23 28 3 



2 13 19 37 

 + 30 II 



2 13 49 48 



60 33.0 

 8.7 



60 34.3, 



at ending. 



V. fine, 

 co-fine, 

 fine. 



0.0297853 

 9.7943612 

 9.6001327 



74 5*5 43 CO. V. s. 034322 



265631 9.424279a 



45 34 9 V. fine, 299953 

 S. 



2 14 18 59 

 + 22 32 



2 14 41 31 



60 34.9 

 8.7 



60 26.2 



co-fecant, 

 fecant. 



Q.0010971 

 0.2056388. 



^e> 9-8537566 



I^ng. 



