REPORTS FROM THE SECTIONS. 233 
Clark’s Companion of Sirius. © 
By H. C. Russetr, B.A., F.R.A.S. 
[Read before the Astronomical Section, 2 August, 1878.] 
SEVERAL communications have appeared in Nature upon this 
interesting object, which was discovered in January, 1862, and 
found then by Bond to have an angle of 85°-1 and distance 10”-4. 
Year. Dr. owas aaa | Measured Observer. 
Angle. Distance. | Angle. Pos. Dist. 
u - 
i . 854 10°10 85:1 10°4 Bond. 
iL Meereeraies 799 10°78 
an A 75°0 11°15 
ROPE Fa Ajeec 70°3 1-20 
1872-25: .55.6 63°0 10°6 Washington. 
a 5 10°95 
3. Bee 59°0 105 
BG16°24 ...:.. 10°59 56°6 10-0 
ned pa Eee ee 62'1 10°59 550 10°97 Russell. 
1876°30 ...... 55°0 ‘is Erck. © 
47 O1  ..... 52°4 10°83 Burnham. 
eee 58-4 10°05 
BOO 50... 54°2 9 
P x . 
much light about the primary that there seems no hope of catching 
the faint rays from the companion ; (estimated at 10 magnitude) 
in the presence of such splendour. : 
