86 



OPPOSITION OF MARS, 1851-52, 



Remarks. 



During all the earlier observations, blurred and unsteady images ; light cirri at times obscuring the comparing star. 



a Scarcely visible. d Image sharp at all the following observations, 



i Micrometer recorded 4.55 rev. e Sharp and steady at all the following observations, 



c Recorded Sh. Om. 30s. at wire 0. 



DECEMBER 18, 1851. 



Cloudy. 



