28 



OPPOSITION OF MARS, 1849-50, 



Remarks. 



The observations of to-night are very generally good, both objects being wtll defined and moderately ?teady throughout the whole period. There 

 lias IJIM n considerable change in tiie physical appearance of the planet since the 17th, the dark-red and greenish white portions being of a less decided 

 distinctness. So clear and unvarying is the atmosphere, that there appears no limit to the magnifying power which may he applied. 



a Recorded 14.5s. at wire E. 



b Micrometer recorded + 7.87 rev. 



Mean N. P. 

 Mean S. F. 



Twenty trans- itf . 

 Twenty transits . 



Results. 



h. m. s. 



4 59 5.17 



5 4 23.84 



1:1. S. 



+ 2 18,030 

 + 2 18.817 



Rev. 



+ 0.942 

 0.086 



= 18.36 

 = 1.68 



