KA TURE 



1S82 



micrometer, I did not determine them ; I observed a band 

 in the red, a line in the yellow near and after D, two others 

 in the green, and an enlargement of the continuous 

 spectrum of the nucleus in green and blue. 



From the form of Fig. I, the comet passed to that of 

 Fig. 2 till October 1. The tail was more curved and 

 diverging, inclined to the horizon a little more than 45^ ; 



the length was near 15°, the breadth at the top i° 48'; the 

 south edge was very much stronger and brighter than the 

 north edge ; an obscure streak seems to divide the comet 

 through the whole length. The nucleus was less luminous ; 

 it appeared double, and lengthened to 25", having a very 

 brilliant jet directed to the sun. 



The comet was not now as yellow as before, and corre- 



