Brightness of the Satellites of Uranw;  - 197 
1876. Feb. 18. Oberon : : ee it 
Titania | Wt=4t. 
1876. Feb. 20. Star near aco - p=89°, s= 27’. Wt=1. 
This star is about ‘she brightness of ey. = Titania. 
an Oberon Lae ice for Thence p=lbl°+) 
1876. March 3. Two stare, eo Uranus, fos slightly 
righter than Oberon. Star = 280°, s= 
Sta : ere s=50” estinated. 
Not much difference in the brightness of Oberon ani. Awana. 
[For Oberon p=236°, for Titania p=268° +}. 
Umbriel: p=23°, s=20" Wt=3. 
Ariel: p=173°, s=13” “a 
Umbriel i ‘5 more steadily seen than Ariel but nat aed more 80. 
Then reduced aperture to. fifteen inches. _Umbrie was cer 
tainly seen and its position eould haye been mcngarel poy 
was not certainly seen. Sky 
azy. Bright m 
Mar. 4. Ariel: p=’, s=18". “Mooolightand a 
ta: 
Titania is decidedly prance han Ob her f 
1876. March 18. Oberon? ps , 8 cy 05'S 
Titania: palo’, s=80"S oe eda 
Oberon is Baki? than Titanta,—H. Aine agi ike’ oy. 
1876. March 14. a R penes g=1 
mbri pale’ s=19" 
Titania : p=126°, s=18" 
one speci e327" 
1876. March 22. Conon Ea =78°, cit ne Se 
sa Titania : p=161°, s=26" vat ene 
Titania much ogee pai, “3, ue 
1876. March 23 : p= s if : 
SS Titania : es pt We=8 
Oberon ogi nae than Titania —# j u 
e we 
Titania: paar om’ 
Oberon brighter than Titania.-# <a 
It is not desirable to draw any’ es aaticiaual ab 
vations as yet. They are here recorded as hey we of ser- 
Vice in photometric observations, and the sare 
as occasion offers. 
