Pe ne ERT A oe ENS RS GAM WR, eye ¢) tee i ee ae Matis bind Coe Te Fe 7 
eit ee BS rae one Aaa peal Sit eet Ser i AY atm PONS : 
; AE ON RMT Ri Ane oe en pak Sa ee 
393 
_. The Orbit-Elements of Comet II, 188r. 
- hte ee By J. Tessurt, F.R.A.S. 
[Read before the Astronomical Section, Royal Society of N.S. W., 
me 5 August, 1881.] 
; avine before reported to you the appearance of the recent large 
_ comet, I have now much pleasure in presenting to you an approxi- 
Mate determination of the orbit-elements of that body. Owing to 
_ Ulhealth and the pressure of other avocations foreign to astronomy; 
it. The 
FY Te A A Se Ee ee ee ees ee ta ae 
eee Fras Se 
5 y es = 
or) teresting character, I have then deduced the following approxi- 
i my own observations on May 22nd, the evening 
assage 
* Longitude of the perihelion ....... 263° ee M. Equinox, 1881-0 
was supposed by some persons previously to the calculation of | 
® orbit that our late visitor was identical with the Comets It, 
, II, 1861, but I believe I explained satisfactorily in the — 
a of Sth i 
, however, from a comparison of the above elements with — 
comets that it is more probably a return of — 
re . hes iii 
of the 
Great Comet of 1807. This comet was discovered 
Au 4 ti i monk. . ; . * 
