Page 331 - 89 history of astronomy_opt

in the Comptes Rendus de l’Academie des
Sciences , that the longitude of the disturb-
ing planet, for January 1st, 1847, was 325,
and that the probable error did not exceed
ˆ
10A.
This result agreed so well with Adams’s
ˆ
(within 1A) that Airy urged Challis to ap-
ply the splendid Northumberland equato-
real, at Cambridge, to the search. Challis,
331