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Double-Stars discovered by Alvan G. Clark. + 285 
Calculated. Observed. 
1862°0 | 85°:4 | 107-10] 1862-2] 84°°6 | 10"-7 |Bon 
62°2| 85-0 | 10°09 |Rutherfurd 
63°2| 82°5 ‘ . 8 
1865°0| 79-9 | 10-78 || 1865-2) 77-2 | 10°60 |O. Struve. 
65: 76°8 | 10°77 |Forster. 
65- 50 | 10°0 ecchi. 
1868°0| 75-0 | 11°15 || 1868- 70°2 ) 11°25 | Vogel. 
68° 69°5 | 11°35 |Bruhns. 
68 71°6 | 10°95 |Engelmann. 
69° 8°6 | 11°26 |Dunér. 
1871°0} 70°3 | 11°20 || 1871: 64° 11°21 |Dunér, 
72:2) 59-8 | 11-14 |Dunér. 
72-2) 67-7 | 11°55 |Newcomb. 
1874°0} 65-5 | 10°95 |} 1873- 65°8 | 11°12 |Hall. 
73°2| 60°9 | 10°65 |Dunér. 
73 59-4 | 12-27 |Hall. 
74: 59°0 | 11°46 New 
44:9) 58-7 | 10°99 | Holden. 
74: 57°9 | 11°10 |Hall. 
75°2| 57-1 | 10°8 unér, 
75°2| 56°6 | 11°41 |Newcomb. 
75° 56°3 | 11-08 |Hall. 
1876-0} 62:1 | 10°59 || 1876- 54°9 | 11°82 |Holden. 
16 5-2 | 11°19 |Hall. 
7 53°1 | 11°20 |Stone. 
77-2) 52:8 1°35 | Holden. 
77°3| 53:4 | 10°95 |Hall. 
1878-0} 58-4 | 10°05 78-0| 52-4 | 10°83 |Bu 
78-1} 50°5 | 11°07 |Holden. 
78°2| 651°7 | 10°76 |Hall. 
79°] 50°7 10°44 Burnham. 
1880°0; 54:2 9°33 
The last observed position is the mean result of ten nights’ 
onthe made at the Dearborn Observatory in the past two 
mont 
istence of another satellite has been suggested as 
explanations of the variation shown above, but all attempts re 
find any other body have thus far been unsuccessful. 
No. 2. 
Discovered in May, 1876, with the 12-inch a: glass now 
at the Vienna Observatory. This very u 3 9g pair is in 
neighborhood of Pollux, about 40’ south, and a little following. 
The only measure is the following: 
Burnham. --- —114°9  D=0"81 18790 In 
