MEASUREMENT OF AN ARC 



: REGULUS. 



Nearest point on the Limhy 4 45 N, 



LEONIS. 



Neen^'cst point on me Lmh^ 8 20 N, 



April 



May 





1 



"■"■"■ 







' 



1809. 





Observed 





Correct 



ThertBometers. 





Fuce. 



Zenith Dislau(*. 



Correcli'oiis.' 



« 



^euith Distance. 











Month. 











Upper. 



Lower. 







. y 



4- 



t ft 











April 12 

 13 



F. , 



4 43 51 87 



I i4 4 ro 



4 45 i6.?80 



81 



84 



W. 



4 44 2 



1 24.3 59 



4 45 26.359 



84 



83 



J4 



E. 



4 43 49.87 



1 24 31 1 



4 45 14.181 



83 



82 



16 



w. 



4 43 59 37 



1 ?4.<J11 



4 45 23.681 



85 



84 



17 



K. 



4 43 49.87 



1 21.147 



4 45 14 017 



84 



83 



T« 



w. 



4 44 ^ 



1 '21 093 



4 45 26.!'93' 



83 



22 



20 



E. 



4 43 49 



1 23.976 



4 45 1?.97S 



83 



83 



24 



w. 



4 43 69 5 



! 23.735 



4 45 23 235- 



S'^ 



83 



25 



R. 



4 13 51 !2 



I 23.679 



4 45 14.799 



82 



83 



: " 26 



vv. 



4 44 0.5 



1 23.617 , 



4 45 24.1 7 



82 



83 



i 27 



E. 



4 43 4S 87 



1 23.546 



4 45 12,416 



81 



84 



: • is 



w. 



4 44 0.37 



1 23.485 



4 45 23 865 



84 



85 



i9 



E. 



4 43 48.37 



1 23 4'28 



4 45 11.798 



83 



84 



so" 



^" W. i 



4 41 1.62 



1 23.361 



4 45 24.981 



85 



85 



^lay 2 



V. 1 



4 43 48 87 



1 23.219 



4 45 12 119 



83 



83 



■ w. 1 



4 44 '^.87 



I 23.188 



4 45 26.058 



82 



8* 



■ ' 15 



:e. I 



4 43 49.12 



1 25.071 



4 46 U.lSi 



84 



84 



6 



w. : 



4 41 1.H7 



1. 23.008 



4 45 24 878 i 



«3 



83 



7 



K. ' 



4 43 50.87 



1 22 917 



4 45 13.817 i 



83 



83 



8 



W. 



4 44 2.87 



I 22.889 



4 45 25.759 



82 



' 82 



8.3.26. 



83.25 









+ 









17 



V. 



8 18 17.37 



1 3'.9":S 



8 19 49.304' 



83 



82 



18 



w. 



8 18 28 87 



1 31.848 



8 20 7i 8- 



83 



82 



19 



F. 



« IS 20.7 4 



i 3l.7fil 



8 19 52.6QI 1 



83 



83 



20 



W. 



8 18 2«.87 



1 31.67 1 



8 20 0.5 44 



83 



83 



23 



E. 



8 U 1 5 87 



1 31 399 



8 19 47 269 



82 



82 



24 



W. 



8 18 28 89- 



1 31.3 7 



8 20 0.197 



82 



83 



■25 . 



V. 



8 18 15. .37 



I 31.221 



8 19 46.591 



82 



83 



26 



W. 



3 18 31.87 



5 31-127 



8 20 2 997 



82 



83 



2? 



E 



8 rS !'7,37 



1 30.935 



8 19 48 303 



84 



85 



29 



w. 



8 18 26.87 



1 30.812 



8 19 67.712 



83 



83 



3i) 



E. 



8 IS 17.39 



1 3(i.74-9 



8 19 48.139 



85 



85 



3 



W. 



8 18 32 



1 30.J8S 



8 20 2.486 



82 



82 



4 



E. 



8 18 1812 



1 30.401 



8 19 48.521 



82 



83 



5 



VV. 



8 18 33.2t 



1 30.315 



8 20 3.555 



8i 



83 



6 



E; 



8 18 18.74 



1 30.231 



8 19 48.971 



82 



82 



7 - 



w. 



8 18 31.62 



I 30.142 



8 20 1.762 



Mean 



82 



82 





82.62 



82.87 



