Within 121 of the North Pole 
20 h 
Number 
Double Star 
Star Catalogue 
R. A. 1880 
DecL 1880 
Position 
Angle 
Distance 
Magnitudes 
Epoch 
Observer 
Notes 
10480 
A 171 
A. G. Berlin 7900 
20 h 39 m 5' 
2053' 
325-1 
4?6i 
8. 2. ..II. 5 
1900.72 
A 2 
10481 
Hi 57 i 
39 6 
41 5 
58.2 
2^ 
IO-II..IO-II 
1828 + 
H 
" Neat" 
10482 
Ho 139 
Cord. DM (24) 16260 
39 7 
-24 8 
213.2 
5-20 
9.0. . . 9.0 
1883.74 
Ho 2 
10483 
2 2723 
Delphini 43 
39 ii 
" S3 
85.6 
1-49 
6.4... 8.2 
1831.71 
2 6 
Whin 
10484 
H2994 
17 Capricorni 
39 12 
-21 57 
338.7 
20 
6 ...18 
1830+ 
H 
10483 
22724 
DM (23) 4127 
39 12 
23 30 
325-7 
2.46 
8.2... 8.3 
1831.81 
2 3 
10486 
H 5220 
B. A. C. 7181 
39 17 
27 18 
357-7 
i8 
8 ...10 
1834.6 
H 
10487 
P4 
W XX h . 977 
39 18 
12 17 
172.4 
0.63 
8.7... 9.0 
1876.20 
A 6 
A and B ) 
158.6 
96.46 
7-3 
1874.67 
^ 3 
AB and C ) 
10488 
Pl5 
Cephei 55 
39 18 
56 57 
III.O 
0.45 
7.2... 8.0 
1876.01 
^ 5 
10489 
A 172 
A. G. Berlin 7907 
39 28 
20 35 
218.8 
2.48 
9.0. ..10. 5 
1900.72 
A 2 
10490 
P 1302 
DM (22) 4170 
39 32 
22 45 
I39-I 
2.13 
8. 2. ..12. 3 
1901.42 
ft 3 
A and B > 
208.9 
52.19 
... 8.4 
1901.42 
ft 3 
A and C } 
10491 
Hu 271 
SD (17) 6709 
39 39 
-17 19 
5-6 
0.50 
8.9... 9.2 
1900.66 
Hu 3 
(A.J. 494) 
10492 
Ho 140 
L 40123 
39 42 
45 53 
313-5 
7.20 
6. 8. ..12. 9 
1882.29 
Ho 4 
I493 
Hu 690 
DM (33) 4011 
39 43 
33 42 
282.5 
0.59 
9.0... 9.2 
1903.22 
Hu 3 
(Bui. L. 0. No. 57) 
10494 
Skinner iz 
0. Arg. S. 20840 
39 46 
-17 8 
298.9 
3-56 
8.8... 8.8 
1901.17 
ft 3 
10495 
P834 
DM (6) 4638 
39 48 
6 43 
134-0 
2.44 
8. 5.. .11.0 
1881.58 
ft 6 
10496 
Hn 164 
W XX". 988 
39 58 
-12 44 
"4-7 
2.83 
9.0. . .11.2 
1888.72 
Com 3 
10497 
Hi573 
DM (38) 4215 
40 2 
38 55 
278.3 
I2 
10 ...II 
1828+ 
H 
10498 
Hi 573 
.... 
40 9 
40 14 
266.4 
2^ 
14 ...15 
1828+ 
H 
) "A double-double 
> star; a curious 
10499 
Hi574 
40 II 
40 15 
277.8 
3 
13 -.-14 
1828+ 
H 
) object" 
10500 
Pi53 
B. A. C. 7187 
40 10 
26 51 
282.2 
1.61 
7.5... 9-0 
1876.78 
Cin I 
10501 
A. G. 264 
DM (24) 4235 
40 25 
24 16 
357-5 
1.68 
9.0... 9.1 
1902.76 
M 3 
10502 
A 173 
A. G. Berlin 7925 
40 30 
23 50 
148.8 
0.72 
8. 7. ..10. 7 
1900.77 
A 3 
10503 
H2995 
0. Arg. S. 20847 
40 33 
-19 4 
283.5 
20 
9-10. .12 
1830+ 
H 
8 m. In O. Arg. 
10504 
22725 
W* XX h . 1009 
4 37 
15 28 
358.0 
4.24 
7.3-.- 8.0 
1829.80 
2 3 
Wh.: ashy 
10505 
0. Stone 53 
Tar. 9051 
40 40 
28 ii 
177.2 
17.42 
7.0. ..10. 5 
1877.74 
Cin I 
10506 
2 2726 
52 Cygni 
40 43 
30 17 
57-2 
6.62 
4.0... 9.2 
1830.82 
S 4 
t.overy yel. 
10507 
Hd 161 

41 : 
-24 3= 
i5 
.... 
1868.66 
Hd 
{"Triple" 
.... 
30 
.... 
1868.66 
Hd 
J 
10508 
P47i 
DM(6l) 2046 
41 I 
62 o 
305-9 
1.46 
10. 0. . .10.0 
1876.72 
A i 
10509 
22727 
7 Delphini 
41 6 
15 42 
273-7 
11.90 
4.0... 5.0 
1830.89 
S 5 
Golden: bluish 
frten 
10510 
A. G. 265 
DM (36) 4224 
41 6 
36 20 
214.2 
6.30 
9. 1... 9.2 
1900.67 
Es 3 
10511 
A6n 
A. G. Bonn 14636 
41 16 
43 12 
198.1 
0.41 
9.0... 9.4 
1901.51 
A 3 
(Bui. L. 0. No. 50) 
10512 
(3 676 
t Cygni 
41 21 
33 31 
320.9 
37-72 
3 ...12.0 
1878.08 
ft 2 
10513 
H 2899 
.... 
41 21 
20 18 
217.9 
I0 
II ...12 
1830+ 
H 
10514 
8763 
B. A. C. 7202 
4i 35 
-18 39 
295.1 
16.75 
7^--. 8 
1824.78 
S 2 
10515 
H2997 
41 37 
-13 29 
196.0 
5 
10 ...II 
1830 + 
H 
" Neat" 
10516 
Kr 51 
A. G. Hels. 11614 
4i 38 
58 36 
181.5 
1.17 
9.0. . .10.0 
1890.78 
ft i 
10517 
Ho 141 
DM(l8) 4619 
41 39 
18 51 
289.4 
1.15 
8. 4. ..10. 8 
1881.87 
Ho 4 
10518 
A 174 
L 40144 
41 51 
- 3 29 
9-0 
0.41 
8.8... 9.8 
1900.69 
A 3 
10519 
P364 
L 40166 
41 52 
24 58 
219-3 
i. 06 
8.7... 8.9 
1876.17 
J 4 
10520 
P5 
13 Delphini 
41 52 
5 34 
186.4 
1.61 
5.2... 8.8 
1875.44 
A 4 
10521 
Espin 30 
R K Cygni 
41 56 
44 29 
57-9 
18.10 
8. 5. ..12. 5 
1899.92 
Es 2 
(A. tr. 3717) 
10522 
H27i 
42 : 
10 53= 
135 
3 
10 . . .11 
1820 + 
H 
10523 
OS 412 re}. 
P XX h . 321 
42 I 
50 14 
281.8 
25.62 
8.0. ..13.0 
1899.60 
Hu 3 
A and B > 
186.0 
5.09 
...13.0 
1899.60 
Hu 3 
B and C ) 
10524 
A. G. 266 
A. G. Leiden 8473 
42 4 
32 25 
88.0 
10.76 
8.2... 9.0 
1902.63 
ft 2 
10525 
Hn 41 
0. Arg. N. 21063 
42 5 
53 35 
237-7 
3-40 
8. 5. ..12. 3 
1881.47 
ft 2 
A and B ) 
262.8 
7.89 
,..11.0 
1881.47 
ft 3 
A and C $ 
10526 
H 2998 
0. Arg. S. 20875 
42 18 
-21 5 
145.4 
5 
9-10. .10 
1830+ 
H 
10527 
P6 77 
T Cygni (var.) 
42 23 
33 56 
121.3 
9.66 
7.0. . .12.0 
1878.41 
|8 i 
A and B ) 
194.4 
12-35 
-I3-3 
1890.52 
ft 3 
A and C 5 
10528 
A. G. 267 
A. G. Alb. 7272 
42 23 
4 o 
261.4 
5-15 
9.0... 9.2 
1903-11 
M 3 
10529 
Hi 5 75 
20 42 26 
38 24 
49.8 
10 
IO . ..II 
1828+ 
H 
311 
