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Current system
21057+2129
TDT 2741
Nearby doubles
12' : 21059+2118
A 178
24' : 21062+2106
TDT2748
38' : 21057+2207
BRT2490
39' : 21046+2053
AG 269
45' : 21026+2141
BU 69AB
46' : 21030+2155
BRT2488
48' : 21082+2201
UC 4386
51' : 21091+2146
GIC9023
52' : 21093+2140
UC 4391
52' : 21091+2149
BRT2491
62' : 21082+2220
KPP4224
64' : 21065+2232
AZC 110AB
68' : 21095+2047
GRV 426
69' : 21020+2215
TDT2707
71' : 21023+2037
HDS2998
75' : 21014+2043
JNN 289
76' : 21008+2057
A 176
76' : 21085+2025
J 574
78' : 21093+2029
J 575
78' : 21102+2045
RAO 25
83' : 21115+2144
COU 227
84' : 21063+2251
A 2798AB
90' : 21105+2227
STF2769AB
94' : 20599+2229
J 3121
99' : 21068+2306
HU 364
99' : 21117+2220
BRT2492AB
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Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.
WDS 21057+2129 : VIRTUAL EYEPIECE
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Components only
WDS 21057+2129 : ALADIN DSS IMAGE @ 21
h
05
m
41.46
s
+21° 28' 49.6"
DSS color
DSS blue
2MASS
AllWISE
GALEX
SDSS9
XMM
PanSTARRS