2 So The second estimate, July 6, showed the magni- 
tude to be about 5-7, whenthe star was correctly identified and syste- 
matic observations at once begun. > A careful and valuable series 
observations’ made b Mr. ‘Rock show the maximum to have 
occurred on J uly 17 of that year its brightness being then inter- 
thediate £ 
blished on p. 448 of i fey Observations, “ Herschel, who = 4 
it as 8 mag., and was observed by Ellery at br hcoprpind aR 
ing at the rate of about one unit Say and the dura- 
um is very brief. Its red colour is” perceptible ‘ 
=e even while at the 10th magnitude. Following the 
already laid down, [have denoted the star by the sate 
t aware if. the Gondoha or any 0’ or observe 
ed the variations of this truly aaah: obj 
¢ : ‘Tlth, 1880, and 
ime down to the 
