174 



On the Construction and Arrangement 



them with sufficient accuracy to enable observers to find Ceres 

 with certainty, even among small stars, as the error will pro- 

 bably always fall short of a minute in arc. For the Ephemeris 

 of the preceding year, published in the former volume, 1 beg 

 therefore to substitute the following, calculated for ] 830, by 

 the latest elements. 



