THE ORBIT OF URANUS. 159 



Applying the correction I'.l for equinox, and dividing by 12, the equation of 

 condition bccom< s 



fill = + 2".2 = 0.0882%. 



In tliis way the following equations wore obtained. It is deemed unnecessary 



to give tlic details of the process, as it is one which everyone can go over for himself 

 from tin- data already given, and can reproduce all the results, except so far as 

 they depend on the rclatm- weights assigned to the different groups of observations 

 during one and the same opposition. 



