AT THE OBSERVATORY, CAMBRIDGE, MASS. 



DECEMBER 11, 1849. 



431 



Remarks. 



High wind. Telescope disturbed. 

 Observer, W. C. B. 



A. in. i. 



Mean by second wire . 17 42. P3 

 fast . . 57.70 



16 45.13 



A a. 



33.79 



No. of 

 obs. 



Remarks. 



Cold, windy, and very bad vision. 

 Observer, G. P. B. 



Mean by first wise 

 Chronometer fast 

 Sid. time 



A. m. r. 



. 1 19 16.63 



. 57.68 



1 18 18.95 



A a. 



29.25 



No. of 

 ubn. 



18 



A. m. . 



Mean by second wire . 1 19 32.65 

 Chronometer fast . . 57.68 



Sid. time . . 1 18 34.97 



29.21 



No. of 

 obs. 



18 



A. m. . 



Mean by first wire . . 1 37 28.43 

 Chronometer fast . . 57.68 



Hid. time 1 36 30.74 



An. 



27.83 



No. of 

 obs. 



A. m. . 



Moiin by second wire . 1 37 44.40 

 Chronometer fae>t . . 57.68 



Bid. time 1 36 46.73 



No. of 

 obs. 



27.82 



