AT THE OBSERVATORY, CAMBRIDGE, MASS. 



433 



DECEMBER 11 and 13, 1849 Continued. 



72 markj. 



The stai is the same as that used la-t night. Wind very high, and the observations bad. 

 Observer, G P. B. 



A. 7)1. S. 



Mean by first wire .............. 113354.42 



Chronometer fast .............. 57.08 



Sid. time ................. 11 32 57.34 



16.44 



No. of 

 obs. 



DECEMBER 12, 1849. 



Remarks. 



The star is too faint to be well observed, being occasionally hidden by cirrus clouds. At 2A. the star was 3&quot; south of Mars north limb. 



Observer, G. P. B. 



Mean by first wire . 

 Chronometer fast . 

 Sid. time .... 



h. m. s. 

 1 1 11.95 

 56.83 

 1 15.12 



No. of 

 obs. 



50.31 



h. m. s. 



Mean by second wire . 1 1 27.97 

 Chronometer fast . . 56.83 



Sid. time . . .10 31.14 



A a. No. of 

 s. obs. 



50.32 



13 



A. m. s. 



Mean by second wire . 121 2.84 

 Chronometer fast . . 56 83 



Sid. time 1 20 6.01 



Act. 



49.00 



No. of 

 obs. 



h. m. s. 



Mean by first wire . . 14246.13 

 Chronometer fast . . 56.82 



Sid. time 1 41 49.31 



55 



No. of 

 obs. 



47.42 



h. m. s. 



Mean by second wire . 1 43 2.08 

 Chronometer fast . . 56.82 



Sid. time 1 42 5.26 



47.35 



No. of 

 ob?. 



19 



