Observations on the Comet of 1823—24. 315 
Arr. XXVIII.—Observations on the Comet of 1823-24. 
[commUNICATED. ] 
Tue Boston Journal of Philosophy and the Arts con- 
tains an article, first published in the Philosophical Maga- 
zine, exhibiting the elements of this comet, according to 
the European observations. 
In a previous number of the same Journal, are given the 
elements of the same, as calculated by Mr. Colburn, of 
Waltham, Mass. Both of these are subjoined,—and, for 
the sake of comparison, the elements, as deduced at the 
time, at Yale College, from observations made between 
Jan. 4th and Feb. 5th, by thé graphical process of Professor 
Fisher ; but laid aside and never corrected. 
1. The first are by Mr. J. Taylor of the Royal Obser- 
vatory, Greenwich. 2. The second are by Professor Ni- 
colai Schumacher, Astr. N. N. 48. B. 33 giving the great. 
est error in A. R. +18”, in decl. +11”. 3. The third 
by Mr. Hausen, A. M. 48. B. 3. 4. The fourth by Car- 
line. 5. The fifth by Dr. Brinkley. 6. The sixth by Mr. 
Richardson of Greenwich. 
(1. 1823, Dec, 9.3697 p. Greenwich 
| os 9.4380 Manheim 
Passage of } 3. 9.47193 Altona 
Perihelion. \ 4. 9.4792 Greenwich 
5. 9.2168 Greenwich 
6. 9.4521 Greenwich 
Longitude of (1. 302° 56’ 34’ 4. 303° 4’ 4! 
the ascending 2 303 1 18 5. 303 0 40 
node. Sin SOs Mine i e222 6. 303 1 483 
1. 28° 43' 54” Ar 2B ClO Gl ii 
Perihelione <2. 28 43 46 5. 29 18 50 
3s 28: 29-55 6544028): 2OiING 
Log. nearest 1. 9.3598242 4. 9.3545000 
: 2. 9.3579600 5. 9.3689400 
distance. 3. 93553934 6. 9.3536855 
