LATITUDE, 



229 



TABLE X. 



Result of observations on the prime vertical for latitude: By Lieut. A. W, W hippie ^ at Presidio 



de Sail Elceario. 



Date. 



Star observed. 



Kesultfrom each 



Res'Iifrom mean 



Date. 



Star observed. 



Result from each 







observation. 



of wires. 





V 



observation. 



1851. ^ 





* / // 



• / // 



1B51. 



1 

 1 



« / // 



Jan. 29 





31 33 13.80 

 11.28 



31 35 12.62 



Feb. 3 



; 2082 Aurigce 



31 35 12.73 

 13.67 









■ 



12.72 



K 







13.90 







10 54 

 12.09 



11.33 







1 



' 12.49 



13.53 

 12 93 







11.87 















09.35 



10.63 



1 



Feb. 4 





11.20 







10.68 









10.96 



n 



F 











10.71 



Feb. 3 





12.56 















13.96 



13.80 





2340 Geminonim .... 



17.39 







14.90 









14.14 











1 







13.95 



it. 



of wires. 



TABLE XI. 



ion of results for the latitude of astronomical station on the Rio Grande^ near the mouth of 

 nony derived from observations made with zenith telescope No. 4^ on twenty- me pr irs of 



W. H. Emory y Chief Astronomer and Surveyor of United States and Mexican 



boundary survey. 



Date. 



1852, June 24 



25 



26 



1st pair 



B> A* f7i 

 4594 S. 

 4627 N. 



31 02 20.04 

 31 02 30.20 



Latitude by amean of each pair.' 

 Corrections for declinations.... 



Corrected latitude 



31^02 25.12 



Q 53 



31 02 22.59 



2d pair, 



B. A. C 



4706 S. 

 4747 N. 



31 02 25.53 

 — 0.37 



. 



31 02 26.01 

 31 02 28,49 

 31 02 22.10 



31 02 25.16 



3d pair. 



B. A. C. 



4810 S. 

 4783 N. 



• / ft 

 31 02 27.73 



31 02 26.49 



31 02 27.11 



0.00 



31 02 27.11 



4th pair 



B. A. C. 



4873 S. 

 4841 N. 



31 02 28.16 

 31 02 27.37 

 31 (K2 30.45 



31 02 28.66 

 + 1.02 



31 02 29.68 



TABLE XI— Continued. 



5th pair. 



B. A. C. 



5048 S. 

 4958 N. 



• / // 

 31 02 31.35 



31 02 31,26 



21 02 23.19 



31 02 28.60 

 — 3.93 



31 02 24.67 



6th pair. 



B. A. C. 



5223 3. 



5092 X, 



• / // 

 31 02 23.79 



31 02 21.76 



7th pair, 



B, A. C. 



5234 S. 

 5287 N. 



• / // 

 31 02 28.00 



31 02 24.00 



31 02 22.78 



0.00 



31 02 22.78 



31 02 26.00 



0.00 



31 02 26.00 



Date. 



1852, June 24 



25 

 26 



Latitude by a mean of each pair. 



Corrections fordecUnationa,,,, 



Corrected latitude 



8th pair. 



, 



B. A' C 



5541 S. 

 5473 N. 



31 02 ^.95 

 31 02 29.16 



31 02 28.05 



0.00 



31 02 28.05 



9 th pair. 



B. A* d 



5652 8. 

 5693 N. 



o I ft 



31 02 •:4.83 

 31 02 24.44 

 31 02 26.33 



31 02 25.20 

 — 1.25 



31 02 23.95 



10th pair 



B. A. C. 



5732 3. 

 5706 N. 



// 



31 02 28.85 



31 02 28.85 



0.00 



■ 



31 02 28.85 



11th pair, 



B. A. C 



5828 S. 

 5895 N, 



1 



• / // 



31 02 27.53 



31 02 27.53 



0.00 



31 02 27.53 



12th pair. 



B. A. C. 

 5841 S. 

 5795 N. 



• t 



It 



13th pair. 



B. A. C. 

 5860 3. 

 5886 N. 



// 



31 02 29.28 

 31 02 27.17 



31 02 26.96 

 31 02 25.62 



31 02 28.23 

 -f 0.39 



31 02 26.29 

 + 0.05 



31 02 28.55 



31 02 26.34 



14th pair. 



B. A. C. 

 5962 S, 

 5927 N. 



tt 



31 02 27.10 

 31 02 27.54 



31 02 27.32 



0.00 



31 02 27.32 



