PROCEEDINGS 
OF 
THE ROYAL IRISH ACADEMY. 
1846-7. No. 62. 
February 22nd, 1847. 
REV. HUMPHREY LLOYD, D.D., President, in the 
Chair. 
x The President read the following letter from Mr. Cooper : 
‘* Merville, February 19th, 1847. 
_ My pear Lioyp,—On Saturday last I received a letter 
from my First Assistant at Markree Observatory, Mr. A. 
e oe dated 11th inst., in wich he states, that having on 
2 Sihus 
5 2 Feb. 10.49768,G. M. T. a= 2h. 42m. 39.48. ¢— 69° 1’ 44”. 
«Mr. Hind’s place on 
ay 7th. 6h. 54m. 5s. a= 21h. 16m. 588s. 6=70° 56’ 42”. 
i «6 Again, on the 15th, I heard from Mr. Graham, under 
; da e the 12th, stating that he had attempted an orbit from 
Oh observations of Mr. Hind of the 6th and 7th, and his own 
of the 10th, which, he conceived, could not be worth much, 
Pn heliocentric are was only 0° 38’ 20” between the ex- 
observations. The result he obtained was: 
VOL. 11. 2 L 
