48 



THE ORBIT OF NEPTUXK. 



We have then 



Clock time of transit of planet, 

 Correction for clock and instrument, 

 Concluded apparent Right Ascension, 



or, 



May 8. 



14 11 36.50 

 + 21 .94 

 14 11 58.44 

 212 59' 3G".G 



May 10. 



14 11 23.50 

 + 22 .82 

 14 11 4G .32 

 212 56' 34".8 



We use Bessel's refractions, 

 perature of the air, we have : 



May8, 



May 10. 



Beginning of observations, 

 End " 



Declinations. 

 For the height of the Barometer, and the tem- 



in. 



Bar. = 28 pou. 61. = 30.37 Eng. ; T= 13 Reau. = 61.2 Fah. 

 Bar. = 28 pou. 3.1 1. = 30.12 Eng. ; T= 13.7 Reau. = 02.8 Fah. 

 Bar. = 28 pou. 1.5 1. = 30.07 Eng. ; T= 13 Reau. = 61.2 Fah. 



The equatorial points on the circle are concluded as follows : 



