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Doubles in session
Current system
20440+4521
KPP 3361
Nearby doubles
9' : 20436+4514
CBL 85
14' : 20427+4521
ES 1270
22' : 20434+4501
ES 668AB
23' : 20421+4532
BKO 157
23' : 20420+4532
BRT2271
25' : 20432+4458
BKO 159
27' : 20433+4456
ES 2699
28' : 20414+4517
H N 73
Deneb
33' : 20423+4549
STT 411AB
37' : 20461+4452
ES 30
38' : 20473+4535
HO 280
39' : 20464+4551
CVR 230
40' : 20459+4448
ES 2701
45' : 20485+4519
LDS2456
49' : 20438+4610
TDT2503
50' : 20394+4530
TDS1087
51' : 20432+4431
COU2422
53' : 20490+4525
SMA 120
55' : 20489+4537
HDS2965
55' : 20492+4525
COU2646
58' : 20449+4425
ES 1332
58' : 20437+4619
HO 140
62' : 20456+4621
HDS2955
62' : 20494+4458
GRV 384
63' : 20416+4424
COU2541
64' : 20500+4521
ES 2702
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Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.
WDS 20440+4521 : VIRTUAL EYEPIECE
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Components only
WDS 20440+4521 : ALADIN DSS IMAGE @ 20
h
43
m
59.37
s
+45° 21' 23.4"
DSS color
DSS blue
2MASS
AllWISE
GALEX
SDSS9
XMM
PanSTARRS