Jnd LONGITUDE of ABERDEEN. 



H5 



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 1788 : Obferved 

 at Greenwich and Aberdeen. 



Apparent tinne of begin, at Greenwich, 19 24 464^ 



of end. - 21 I 24 



Interval, - - 1 36 37^ 



at Aberdeen, 



19 33 19 



20 57 37 



I 24 18 



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

 wich, on the Spherical Hypothefis. 



o ' /> 



o I n 



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. 19 24 46f 

 Sun's R. A. 4 ji 3oi 



2 



13 



19 



37 



+ 





30 



II 



2 



13 



49 



48 







60 



13-'^ 





- 





8.7 



at ending. 



60 24.3. 



2 



14 



18 



59 



+ 





22 



32 



2 



14 



41 



31 







60 



34.9 

 8.7 



6a 26.3L 



R. A. meridian, 



16 17 

 6 



V. fine, 

 co-fine, 

 fine, 



;o.v.s. 034322 

 265631 



0.0297853 

 9.7943612 

 9.6001327 



co-fecant, 

 fecant, 



fine, 





Arch, 

 Latitude, 

 Ob. ecliptic. 



6 16 17 



51 28 40 

 23 28 3 



0.0010971 

 0.205638& 



Sum, 



74 56 43 < 

 45 34 9 V 



9.4242792 





Alt. nonag. 



. fine, 299953 



s. 



9-853756^= 



Vol. IV. 



Lone^ 



