On the Comet of October 1st, 1847. 85 
lowing positions of the comet were taken at the Cambridge Ob- 
servatory, most of them by the great refractor, and kindly fur- 
nished by George P. Bond, the assistant observer ; and from these 
the elements of each computer have been calculated. 
Dat 
1847, er. 7th, 7h. ia 31s. Comet’s A. R. 17h. 10m. “7 Deo. ae OU 18! 
Mh, 6 il - a ae +55 31 ot 
; 14-4 
t «11th. 8 09 Oi n4 @ «16° 32°00 9 «« 
ica ae CC ae ee 2 eee + 6! 202-8457 tt +? 5L 17 
ST ROGT a- a ee 16.17, 69... + 236,43 
a en oe. « 16 if OL “ —-13 18 49 
. _ Prof. sentee, s Elements, from the places of October 7th, 11th, 
a 14th, and 1 
4 Oseerie passage, . .  . Nov. 14:41328 
. Perihelion distance, : ‘ 32945 
e awk ti ong. of Perihelion, . j 274° 16/ 49” 
= gis) oon Cidkeae Nodey: :4 i . 190 51 03 
: cen ; 71 55 27 
Motion, Retrograde. 
a P. Bond’s Elements, from the places of the 7th, 9th, 
and 11th. 
a Perihelion passage > : . Nov. 14:6935 
Perihelion distance, : 0:3468 
a Lng. of Perihelion, BE iasepntitide: 276° 24’ 
a wee ee Ny ees mee, OS 
“Tae : : sie x, Ab’ 
otion, Retrograde. 
alsta Mitchell’s Elements, from the places of the 9th, 11th, 
Ath. 
Perihelion passage, esate doko: te INOW 14-499 
Perihelion distance, . . ' . 0341348 
ee osbong.: of Perihelion, ; é . 274° 10/ 06” 
ibis “ Asc. Node, ; ‘ 189. 35 29 
artes “Inclinatio é nomen «tae = 97! 
ee Motion, “Retrograde. ; 
Wank? —We — received in “the Washington Union” of ses 30, a notice of 
As einai by Lieut. Maury, giving the following acinar om Rumker’s $ par- 
sali lemet, = Prof. Keit th, U.S. N. 
‘ ite. Was! gton. ef Ae e. Ballianey. 
» | Oh. Tam. Gs ibs a m, 305-45 an 
| 03 OL aa, 40 
a 13 16 “+ 
1 25 0-8 
0-7 
0-6 
0-5 
0-4 
0:3 
cau aceneit aberration, pet ies of the comet is taken as 
sare corrected fr oeien Jigen the sun and each other. 
