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Current system
20139+3545
COU 2215
HD 228439
Nearby doubles
7' : 20137+3551
TDT2105
8' : 20135+3551
SEI1018
9' : 20136+3553
SEI1021AB
17' : 20144+3556
SEI1035
18' : 20153+3546
SEI1044
19' : 20124+3549
TOB 177
19' : 20125+3552
SEI1001
19' : 20124+3545
BKO 104AB
19' : 20123+3540
FYM 582
20' : 20135+3526
COU2214AB
21' : 20131+3602
SEI1014
22' : 20144+3524
ES 244AB
22' : 20155+3536
SEI1045
22' : 20122+3548
SEI 992
23' : 20135+3607
SEI1019
24' : 20142+3522
ES 204
25' : 20146+3522
SEI1040
25' : 20119+3550
SEI 985AB
27' : 20119+3551
SEI 983AB
27' : 20122+3600
SEI 991
27' : 20118+3540
SEI 979
28' : 20122+3603
SEI 994
28' : 20132+3611
NSN 731
29' : 20121+3603
SEI 990
30' : 20115+3545
TDT2066
31' : 20117+3600
SEI 978
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Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.
WDS 20139+3545 (HD 228439) : VIRTUAL EYEPIECE
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Radius:
auto
0.5"
0.8"
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5"
10"
15"
20"
25"
30"
35"
40"
45"
50"
55"
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3'
4'
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8'
9'
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1°
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Components only
WDS 20139+3545 (HD 228439) : ALADIN DSS IMAGE @ 20
h
13
m
54.80
s
+35° 45' 01.5"
DSS color
DSS blue
2MASS
AllWISE
GALEX
SDSS9
XMM
PanSTARRS