228 



ASTRONOMY. 



Date. 



1852, March 23 



24 

 25 

 26 



27 

 28 

 30 



23d pair. 



x>. A, \j* 



4141 S. 

 4188 N. 



/ 



// 



Latitude by ameanof each pair. 

 Corrections for declination 



Corrected latitude 



31 48 44.50 



31 48 44.50 

 + 1.70 



31 48 46.20 



TABLE VIII— Continued. 



24th pair 



4212 S. 

 4238 N. 



I 



II 



31 48 40.80 



31 48 40,80 

 — 1.86 



31 48 38.94 





1st result. 



Results for lati- 

 tude by a mean 

 of each night, 

 (declin's cor- 

 rected.) 



2d result. 



• / // 

 31 48 43.69 



31 48 45.47 



31 48 43.31 



31 48 44.24 



31 48 44.78 



31 48 44.76 



31 48 44.67 



Lat. by a mean 

 of all the pairs, 

 (declin's cor- 

 rected.) 



3d result. 



Final result. 



Lat. by a mean 

 of all tlie ob- 

 servationSj(de- 

 clinations cor- 

 rected.) 



/ 



// 



/ 



// 



Lat. by a mean of 

 results for each 

 nightj (declina- 

 tions corrected.) 



31 48 44.60 



31 48 44.56 



Latitude of astronomical station at Frontera, Texa3j = 31° 48^ 44'^53. 



Mean of 1st, 

 2d, and 3d 

 results. 



// 



31 48 44.42 



• / 



31 48 44.53 



TABLE IX » 



ections to he applied to the results for latitude of astronomical station at Frontera 



yf the stars as observed at the Washingt 



and 1853. 



1 



Washington Ob- 

 servatory cata- 

 logue. 



2194 

 ^70 



3 



2444 



2341 



4 



2469 

 2504 



6 



2472 



2504 



9605 

 2691 



2788 

 2798 





8 



2818 



2855 



2952 



2912 



9 



10 



3109 



3033 



3181 

 3131 



11 



^01 

 5252 



12 



3201 

 3261 



o / // 



25 16 27.2 

 33 15 10.2 



11 57 33.9 

 51 40 15.9 



28 13 14.8 

 35 22 41.4 



28 13 18.2 



35 22 41.4 



19 42 13.3 



43 41 09.0 



21 13 04.8 

 42 28 59.8 



25 01 17.5 

 38 31 42.2 



31 14 16.0 

 33 28 07.5 



30 15 09.4 

 33 29 02.8 



19 43 16.7 

 43 49 57.8 



26 33 36.2 

 37 08 55.7 



26 33 36.2 

 37 03 39,3 



s 



5 



/ // 



28 13 13.23 

 35 22 45.38 



19 42 15.82 

 43 41 07.85 



21 13 00.04 

 42 28 58.00 



25 01 23.85 

 38 31 33.85 



— 1.57 

 + 3.98 



-f- 2.52 

 — 1.15 



31 14 13.21 



32 28 04,07 



^ 15 13.90 



33 29 00.84 



19 43 21.36 

 43 49 56.25 



4.76 

 L80 



-J- 6.35 



— 8.35 



— 2 79 



— 3.43 



26 33 33.46 

 37 08 54.73 



26 33 33.46 

 37 03 36.33 



+ 4 50 



— 1.96 



+ 4.66 



— 1.55 



2.74 

 0.97 



2.74 

 2.98 



0) g 



u 



sS 



H«i 



O 



O 



+ 1.20 



+ 0.69 



3.28 



1.00 



3.11 



-I- 1.27 



+ 1.56 



1.86 



2.86 



o 





13 



14 



15 



16 



17 



18 



19 



20 



21 



22 



23 



24 





3355 

 3399 



3409 

 3427 



3671 

 3584 



3710 

 3^36 



3842 

 3781 



3915 

 3952 



3990 

 3973 



4014 

 4026 



4014 

 4028 



4066 

 4126 



4141 



4188 



4212 

 ^58 



DECLINATIONS. 



B. A. C. 



21 52 37.10 

 41 46 05.1 



Washington Ob- 

 servatorj' cata- 

 logue. 



30 21 37.5 



33 22 15.4 



23 58 20.1 

 39 41 26.0 



28 45 53.2 

 34 49 57.6 



23 54 44.6 

 39 40 30.1 





19 14 07.4 

 44 27 23.9 



21 03 10.7 

 42 33 18.6 



16 16 27.6 

 47 18 42.1 



16 16 27.6 

 47 18 17.6 



22 17 43.8 

 41 29 46.1 



23 52 08.2 

 39 51 02 6 



21 43 43.3 

 41 42 03.4 





• The reference on page 193 to table IXct should be VJII 



5 



• / // 



21 59 32.91 

 41 46 01.47 



30 21 42.02 

 33 22 08.45 



4.19 



3.63 



+ 4.52 

 — 6.95 



23 58 19.01 

 39 41 26.85 



28 45 52.17 

 34 50 04,01 



23 54 44,11 

 39 40 29.93 



— 1.09 

 4- 0.85 



— 1.03 

 + 6.41 



— 0.49 



— 0.17 



21 03 08.32 

 42 33 17.75 



16 16 22.96 

 47 18 42.30 



16 16 22.96 

 47 18 16.34 



22 17 41.73 

 41 29 45.67 



S.38 

 0.85 



23 52 07.81 

 39 51 06.39 



— 4.64 

 + 0.20 



— 4.64 



— 1.26 



S.07 

 0.43 



21 43 39.31 

 41 42 03.67 



— 0.39 



-t- 3.79 



— 3.99 

 + 0.27 



o 



» o 



o o 



3.91 



1.21 



0.12 



+ 2.69 



0.33 



1.61 



2.22 



2.95 



1,25 



+ 1.70 



1.86 



