n% 



MEASUREMENT OF AN ARC 

 * SERFENTIS. 



Nearest 'point on the Limb, 3 North. 



1809 



<0 



Observed 



Corrections. 



Correct 



Thermometers. 



Month. 



S3H 



Zenith distance. 



Zenith distance. 



TT • t 1 



Upper. Lower, j 







o < n 



H + 



o . ;i 



o 



O 



April 18 



W. 



3 1 30.76 



57.96 



3 2 28.7? 



80 • 



79 



19 



E. 



3 1 20.13 



57.85 



3 2 17.98 



80 



80 



20 



W. 



3 1 29.26 



57.75 



3 2 27.01 



80 



80 



23 



E. 



3 1 20.63 



57.39 



3 2 18.02 



81 



81 



24 



W. 



3 1 29.63 



f 57.27 



3 2 26.9 



81 



81 



25 



E. 



3 1 20.13 



57.14 



3 2 17.27 



80 



80 



26 



W. 



3 1 29.13 



57.01 



3 2 26.11 



82 



.82 



27 



E." 



3 1 20. 1 3 



56 89 



3 2 17.02 



83 



83 



28 



W. 



3 1 32.26 



56.76 



3 2 29.02 



84' 



84 



29 



E. 



3 1 20.13 



56.63 



3 2 16.76 



83 



83 



30 



W. 



3 1 32.51 



56.5 



3 2 29.01 



83 



83 



May 3 



E. 



3 1 19.13 



56.09 



3 2 15.22 



80 



80 



5 1 



W. 



3 1 32.38 



55.81 



3 2 28.19 



82 



82 



6 



E. 



3 J 20."63 J 



55.66 



3 2 16.29 



81 



81 



7 



W. 



3 1. 32.63 



55.52 



3 2 28.15 

 Mean 



81 



81 



81.33 



81.33 



* SEJRPENTIS* 



Nearest point oti tlie Limb', 1 5 SoulTi. 



1 









"" " "■""""■ -l "■"■■■■'■ 









" ' I 



1 April 



18 



w. 



1 7 26.26 



53.59 



1 6 32.67 



80 



79 I 





19 



E. 



1 7 36.39 



53.51 



1 6 42.88 



80 



80 





20 



W. 



1 7 25.26 



53.41 



16 31.85 



80 



80 



j 



23 



E. 



1 7 33.64 



53.11 



16 40.53 



81 



81 [ 



J 



24 



; W, 



1 7 25.76 



l' 53.02 



1 6 32.74 



81 



81 j 





25 



; E. 



1 7 36.01 



52.92 



1 6 43.09 



80 



80 





26 



W. 



1 7 24.51 



52.81 



1 6 31.7 



82 



82 



1 



27 



E. 



1 7 35.89 



52.70 



1 6 43.19 



83 : 



83 



! 



28 



W. 



I 7 24.26 



52.59 



1 6 31.87 



84 



84 



j 



29 



E. 



t 7 36.14 



52.48 



1 6 43.66 



83 



83 



1 



30 



w. 



1 7 22.89 



52,36 



1 6 30.53 . 



83 



83 



May 



3 



E.- 



I 7 35.01 



52.01 



1 6 43. 



80 



80 



I 



5 



W. 



1 7 23.26 



51.78 



1 6 31.48 



81 



82 



■ 



6 



E. 



S 7 34.01 



51.66 



1 6 42.35 



81 



81 



-»i. i rr i ■ 



7 



w. 



1 7 22.01 



51.53 



I 6 30.48 

 Mean 



81 



81 



81.33 



81.33 



