206 A. Gautier on recent Researches on Nebule. 
Several of the stars have preserved their color, but according 
to Mr. Abbott, most of them have changed ; all the small stars, 
from the tenth to the fourteenth magnitude, have the color. 
_ Prussian blue, with more or less of a tint of red or green mixed — 
with the blue, 
with magnifying powers of only 20 to 40 diamet 
bE 
ers. cae 
Finally, I will report a note by Chacornac, entitled “ Nebuleuse = 
variable det du Taureau,” presented by Mr. Le Verrier to the 
Academy of Sciences of Paris at its session April 6, 1868, and 
inserted in the Comptes Rendu of that meeting, t. 56, p. 
Mr. Chacornac, at Marseilles, in the latter part 
the first part of 1854, noticed a star of the eleventh magnitude 
I fo) 
ern declination, without perceiving any nebula at that point) 
but he could not see any at Paris near the meridian towards 
ture, although the atmosphere was very transparent. 
The 19th of October, 1855, he observed a faint nebula pt 
mensions, or form. January 27th, 1856, it appeared to Fs 
quite brilliant, presenting the appearance of a transparent 0° 
parallel bands, resenti f -] tangular, the greaté 
lide ihiashia, bBo, a@ form nearly tha gun smaller 
arc 24 minutes. 
ecting itself upon this same small star very near to $ of Taner 
place, ¢ 
hetey ries: ors th os eee ete 
