AT THE OBSERVATORY, CAMBRIDGE, MASS. 



JANUARY 1, 1850. 



445 



A. m. r. 



Mean by second wire . 45 35.00 

 Chronometer fast . . 59.37 



Sid. time . . . . 44 35.63 



A a. 



1 13.54 



No. of 



24 



Observer, W. C. B. 



JANUARY 1 and 2, 1830. 



Remarks. 



A star of the 7tb magnitude follows the star of comparison by 30. and is U north of it. 

 Observer, G. P. B. 



h. m. *. 



Mean by second wire . 11 19 1.59 

 fast . . 59.50 



. . . 11 18 2.09 



A a. 



1 48.44 



No. of 

 obs. 



12 



Mean by firit wire . 

 Chronometer fast . 

 Sid. time . . . 



k. m. t. 



11 47 24.45 



59.50 



11 46 25.04 



No. of 

 obs. 



1 50.01 



h. m. . 



Mean by second wire . 11 48 20.32 

 Chronometer fast . . 59.50 



Sid. time . . . . 11 47 20.82 



An. 



1 49.78 



No. of 

 obs. 



