58 



On the Use of the Pocket Box-Sextant. 



1823. 



May 15 51 19 57.26 



16 51 19 57.3 



Mean of five observations .... 51 19 57.89 



April 14, O 51 19 52.56 



16 51 19 37.38 



21 51 19 12.35 



May 5 51 19 0.59 



Aug. 18 51 19 17. 



19 31 



Sept. 1 



Mean of six observations 

 May 15 Polaris .... 



16 



Aug 



Sept. 



Mean of two observations 

 17 a, Aquila .... 



18 



10 



13 



16 



51 



51 



51 

 51 



51 



51 

 51 

 51 

 51 

 51 



19 25.13 



20 24.2 

 20 24.14 



20 24.17 



19 9.5 

 19 9.3 

 19 11 



18 58 



19 12 



Mean of five observations 

 19, 



Jan 



Feb. 21 Rigel 5] 



— Sirius 51 



Mar. 1 Betelguese 51 



— Sirius 51 



Mean of five observations . . , 

 1822. Regulus 1 observation 51 19 23.8 

 Spica 5 



19 7.9 

 19 46.2 

 19 35.4 

 19 52.1 

 19 40.49 

 19 45.2 



51 19 43.878 



O . 6 . . . 



Polaris 2 . . . 



a, Aq. 5 . . . 



1823. Mean of 5 as above 



51 19 57.89 

 51 19 25.13 

 51 20 24.17 

 51 19 7.9 



51 19 43.878 



Meanof24obs. 51 19 40.354, ^c. 



