AT THE OBSERVATORY, CAMBRIDGE, MASS. 



433 



DECEMBER 11 and 13, 1849 Continued. 



R marks. 



The slat i.i tlic same as that used la?t night. Wind very higli, and the observations bad. 

 Observer, O P. B. 



A a. 

 fi. m. i. i. 



Mean by first wire 113354.42 



Chronometer fast 57.08 



Sid. tinie 113257.34 16.44 



No. of 

 obi. 



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" south of Mars' north limb. 



Observer, G. P. B. 



h. HI. s, 

 1 21 2.84 

 56 83 



An. 



49.00 



No. of 

 obs. 



h. m. s. 



Mean by first wire . . 14246.13 

 Ohionometer fast . . 56.82 



Sid. time 1 41 49.31 



55 



An. 



47.42 



No. of 

 obs. 



12 



A. T?l. S. 



Mean by second wire . 1 43 2.08 

 Chronometer fast . . 56.82 



Sid. lime 1 42 5.26 



47.35 



No. of 



12 



