THE TRANSATLANTIC LONGITUDE. 



19 



1866, October 28.— G., Obs. 



Lamp. 



a Cygni .... 



fi Aquai'ii 



12Y. Cat. 18Y9U.C. 



5^ Urs. Majoris L. C. 

 r Cygni . . . 



E. 



W. 



B— E, 

 I>4— E5 



E^— E, [E3 lost] 

 Bj— E, [E, lost] 

 B,— F, 



20" 3T" 

 45 

 51 

 56 



20 59 



21 1 



2'. 92 

 37.04 

 55.63 



5.04 

 15.35 

 25.42 



-0^059 

 -0.063 

 -0.069 

 -0.076 

 -0.079 

 -0.085 





R 



0" 



»o^ooo 







0.000 



+ 1 49.390 1 



2 



21.419 



— 29.862 1 







0.000 



Bb,+ k 



— 0M02 

 —0.041 

 —0.422 

 —0.458 

 + 0.132 

 —0.101 



T = 21'' 



= —8^7 



= _0=.025 



c = 4 0M24. 



a Cygni .... 

 ft Aquarii . 

 12 Y.Cat.l879 U.C. 

 0^ Urs. Maj. L.C. 

 f Cygni. . . . 



20" 37 

 45 

 53 



20 59 



21 7 



2". 82 

 37.00 

 43.88 

 45.62 

 25.32 



53^91 

 28.03 

 35.11 

 36.48 

 16.56 



+ 0M77 

 + 0.125 



+ 0.329 

 —0.144 



-0^04 

 -0.15 

 -0.07 

 -0.11 

 -0.20 



0^00 

 —0.01 

 + 0.04 

 —0 03 

 —0.01 



—8'. 74 

 8.84 

 8.81 

 8.78 



—8.89 



5 A9 + 1.058 a = — 0^847. 

 + 1.058 A9 + 13.708 a = + 0.101. 

 a = —0^013, A9 = — 0M12, At = — 8^8]2. 



