( 156 ) 



Inclinaison à Christiania. 



, = 72o4r,56 — 3' ,2218 ( l - 1820) + 0',03391 ( t — 1820)' 



A ,: = — 3' ,2218 -+- ^,06782 ( < — 1820 ) 



T = 1867,5. Minimum 71°23',0 



[^^] = 132',77; %/ — ^ = 2',795. 



At. 



fo= 1820,0. 

 !o=72'>4r,56± l',279. 

 y = — 3',2218±0', 16334. 

 s = 0' ,05391 ±0',004619. 

 T= 1867,5 ±6,92 ans. 



