THE TRANSATLANTIC LONGITUDE. 



23 



1866, November 8.— M., Obs. 



f Delpbini . 

 Groombr. 3241U.C. 



? Cygni . . 

 a Cepheitr.C. 



(3 Aquarii . 



e " 

 n " 



Lamp. 



w. 



E. 

 W. 



Threads. 



C-Ds 



B— F5 

 E-E, 

 D-F5 

 B— F5 

 B,-F, 



-F,F. 



20''2'I°' 

 30 



20 31 



21 1 

 14 

 16 



21 24 



22 10 

 22 28 



4'. 83 

 15.47 

 36.26 

 80.10 

 52.61 

 22.55 

 46.94 



2.68 

 43.67 



+ 0^050 

 + 0.044 

 + 0.022 

 —0.032 

 —0.018 

 —0.008 

 + 0.021 

 —0.012 

 —0.025 



0° 0^000 



+ 32.676 



— 47.521 



0.000 



+ 46.794 



— 43.455 



0.000 



0.000 



+ 1.741 



Bb,+k 



+ 0^028 

 + 0.094 

 + 0.024 

 —0.044 

 —0.068 

 —0.047 

 + 0.001 

 —0.016 

 —0.025 



T=2l^ 0= — U\S p= — 0=.068 c = + 0'.075. 



£ Delphini .... 

 Groombr. 3241 IJ.C. 



f Cygni 



a Cephei TT.C. . . . 



20" 27° 



20 30 



21 7 

 21 15 



21 24 



22 10 

 22 28 



4=.86 

 48.50 

 30.66 

 39.19 

 46.94 



2.66 

 45.38 



26° 

 30 



7 

 15 

 24 



9 

 28 



50'. 80 

 83.93 

 16.35 

 24.84 

 32.80 

 48.51 

 81.14 



Cc 



—0^051 



+ 0.057 



—0.050 

 —0.051 

 —0.050 



+ 0M5 

 —0.31 

 + 0.06 

 —0.04 

 + 0.14 

 + 0.18 

 + 0.11 



+ 0M4 

 —0.24 

 + 0.09 

 —0.08 

 + 0.17 

 + 0.19 

 + 0.17 



— 14».29 

 14.87 

 14.33 

 14.26 

 14.34 

 14.31 



—14.36 



7 A9 + 2.134 a = + 0=.287 

 + 2.134 M + 4.161 a = + 0.840 

 a = + 0'.214, A9 = — 0'.023, A< = 



14'.323. 



