3 82 



ASTEONOMT. 



TABLE YII, 



Tabulation of results for the latitude of astronomical station at Espla^ derived from ol)servations 

 made with a zenith telescope [T. cfc >S'.) on tiventy-three pairs of stars: By J. H. ClarTc^ Principal 

 Assistant^ assisted by Lieut. TurnbulL 



- 



1 



lal pair. 



i 



2d pair. 



1 



3d pair. 



4tli pair. 



1 

 5tU pair. 



j 

 Gill pair. ■ 



7th pair. 



1 



8th pair. 



9th pair. 



! 



i 



lOth pair. 



4 



Date. 1 



G. C. 



G33S. 

 675 N. 



j G. C. 



638 S. 



677 IV.. i 



1 



G. C. 



638 S. 

 678 N. 



B. A. C. 

 2540 S, ! 

 2o9i2 iV. 



1 



B. A. C. 



2605 S. 

 2715 N. 



B. A. C. 



S8S4 S. 

 2Gc^ N, 



^ 



B. A. C. 



2984 N. 

 3000 S. 



1 



B. A. C, 



3002 S. 

 2964 N, 



R, A. C. 



3062 S, 



3085 N. 



B. A. C. 



3170 S, 

 3290 N. 



IS55. 



1 



1 

 1 



// 



// 



If 



If 



tf 



1 

 1 



ff 





ff 



// 



// 





53.39 



54.74 



i 



53. 3G 



56.47 

 55.39 

 57.67 





56.77 

 51.81 

 54.77 



57.15 

 55.53 

 57.94 

 58.15 ' 



1 



56 92 





57.95 

 55 . 09 

 57.53 

 57.01 



56.63 



4 



53.70 

 54.33 

 56.84 

 55.64 



.55 17 







1 55.01 





55.05 

 55.80 1 

 55.75 ! 



b 





54.11 j 53.68 







29 



r 



55.97 ^ 



56 . 16 '■ 



57.36 



57 17 



31 



1 





t^ ■ 4 X V 



1 



I 







*#\J * V ^* v^i^ m \^^^ 



1 





Mean of each pair. . . 



[ i 



54.5^ 



1 : 



5A.95 



1 



55.79 



57.35 



55.46 



57.33 



55.49 



1 



1 

 1 



55.13 



57.17 



TABLE YII— Continued. 



Date. 



18 



o^ 



March 24 

 25 

 26 

 27 

 29 

 31 



11th pair. 

 B. A. C. 



3170 S. 

 3297 N. 



// 



12th pair 



B. A. C. 



3204 S. 



3290 N. 



58.67 



// 



55.32 

 56.21 

 57.49 

 58.85 



13th pair 



B. A. C. 



3204 S. 

 3297 N. 



// 



57.64 

 57.02 



58.35 



14 th pair. 



B. A. C. 



3327 8. 

 3364 N. 



35th pair, 



B. A. C. 



341G N. 

 350OS. 



16th pair. 



B, A. C. 



3523 S. 

 3533 N, 



// 



57.03 

 56.19 

 55.81 

 57.08 



54.91 

 54.51 

 54.87 

 56.19 



// 



56.32 

 58.89 

 58.21 

 55.86 



17th pair. 



B. A. C. 



3610 N. 

 3666 S. 



,1 



58.35 



58.92 

 57.42 

 58.21 

 59.09 



18th pair. 



B. A. C. 



3742 R. 

 3811 N. 



56.10 



57.68 



57.15 



57.73 

 57.58 



19th pair. 



B. A. C. 



3842 S. 

 3856 N. 



// 



57 . 94 



59.03 



20th pair 



B. A. C. 



3919 S, 

 3953 N. 



57,59 

 56.33 



57.28 



56.31 



Mean of each pair. . . 



58,67 



55.71 



57.53 



56.64 



55.12 



57.32 



58.39 



57.25 



58.48 



56.87 



TABLE VII— Continued. 



Date. 



1855. 

 March 24.... 



25 

 26 

 27 

 29 

 31 



21st pair. 



B. A- C. 



3U92 S. 

 3953 N. 



Mean of each pair. . . 



54.28 

 53.26 

 53.27 



53.78 



53.67 



22d pair. 



B. A. C 



3995 S. 

 4026 N. 



n 



56.70 

 57.14 



23d pair. 



B. A. C. 



3995 S. 

 4028 N. 



n 



56.33 



56.89 



58.03 

 58.94 



57.69 



58.22 



Latitude by 



a mean of each 



night. 



31 20 56.58 

 31 20 56.14 

 31 20 56.23 

 31 20 56 31 

 31 20 56.95 

 31 20 56.13 



1st result. 



Latitude by 



a mean of each 



pair. 



// 



31 20 56.56 



2d result. 



Latitude by 



u ukeari of all the 



observations. 



3d result. 



Final result. 



Latitude by a 



Latitude by a 



mean of the results mean of 1st, 2d, 



for each ni«ht. 



and 3d results. 



/ u 



31 aO 56.43 



// 



// 



31 20 56.37 



31 30 56,45 



