[ 5 8 ] 
with a luminous center. The time did not permit 
me that day to allure myfelf, whether it was a comet 
or a nebulous liar. I was only able, before its fetting, 
to take its polition, by comparing it with a liar of the 
4th magnitude, and to defer to the next day the 
compleating of this difcovery. This very night, after 
the obfervation, I looked over my copy of the celeftial 
maps of Mr. Flamftead, upon which I have delineated 
all the nebulous liars, which I have difcovered for 
fome years, and found one in that part of the heaven, 
which I began to fee Augull 25, 1764. My defcription 
is thus entered in my journal: “ I applied myfelf to 
“ the difcovery of nebulous liars, the night between 
(e the 25th and 26th of Augull 1764, and I difcover- 
“ ed one near the liar a of the great triangle, which 
“ I compared with that flar, in order to obtain its 
“ polition. This nebulous liar is a whitilh fpot 
“15 minutes in diameter; the light nearly uniform, 
“ tho’ fomewhat brighter on the right fide; it is feen 
t( with difficulty by a common refracting telefcope of 
<c one foot.” Imagining, that what I had then been 
looking at was this nebulous liar, I loll all hopes for 
the next day. Being, however, impatient to obferve 
the Iky, I found in the evening, that this nebulous 
liar had altered its polition, being got nearer to the 
Har, with which I had compared it the day before, and 
which I then found to be the liar?? of the knot of Piices 
of the 4th magnitude. I determined the pofition of 
the comet with refpect to this liar, with all the care 
imaginable, by means of a Newtonian telefcope of 
44 feet in length, furnilhed with a lilken- threaded 
micrometer. This is the table of my obfervations. 
6 A Table 
