AT SANTIAGO DE CHILE. 



279 



Remarks. 



There could not well have been a finer morning, and there were clean images and good measures without exception. 



a Somewhat blurred and unsteady. c Motion wavy. 



I Sharp and steady. d Daylight measures. 



Diameter of the planet from a mean of 10 measures, at 14/i. 30m. sid. time, 1.725 rev. Corrected diameter, 31&quot;. 4.3. 



Results. 



h. in. s. 



MeanS. F. . . Twelve transits . . . 131838.68 

 Mean N. F. . . Twelve transits . . . 13 24 40.41 



h. m. s. 



Correction for chronometer at 13 19 . ... 53.43 

 Correction for chronometer at 13 25 . . 53.43 



A N. S. limbs micr. in rev 1.658 = 32.31 



Variation of declination in 6m. 2s. . . + 0.78 



Cort. for diam. of micr. wires .... 2.20 



Observed N. S. diameter , 30.69 



m. s. Rev. &quot; 



+ 257.67 .... 4.571 . . . =129.09 



+ 258.37 .... 2.913 . . . =056.78 



h. m. s. 



Santiago sid. time S. F 131745.25 



Santiago sid. time N. F 132346.98 



Interval 6 1.73 



h. m. &quot; 



A (t at 13 17 0.06 



A p at 13 23 . 0.03 



FEBRUARY 10, 1851. 



