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Current system
21256+4138
A 618
Nearby doubles
8' : 21260+4144
BLL 54
19' : 21250+4122
ES 1692
25' : 21235+4147
TDT2939
26' : 21261+4203
COU2307
28' : 21260+4112
HDS3052
34' : 21248+4106
COU2305
40' : 21281+4110
COU2231
46' : 21291+4202
TDT2987
51' : 21286+4102
UC 262
52' : 21268+4228
A 619
52' : 21302+4143
COU1973
54' : 21209+4127
HO 156
55' : 21257+4043
COU2306
59' : 21279+4046
TDT2979
60' : 21208+4206
GRV 453
63' : 21217+4053
ES 1691
65' : 21219+4049
GRV 456
66' : 21306+4213
STT 441AB
67' : 21206+4215
LDS2511AB
69' : 21202+4207
ES 1584
70' : 21228+4031
HO 287
70' : 21206+4219
WSI 16
74' : 21304+4229
TDT3003
75' : 21213+4235
LDS2513
76' : 21302+4044
MLB 26
77' : 21265+4254
TDT2967
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Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.
WDS 21256+4138 : VIRTUAL EYEPIECE
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Radius:
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Components only
WDS 21256+4138 : ALADIN DSS IMAGE @ 21
h
25
m
34.50
s
+41° 38' 24.4"
DSS color
DSS blue
2MASS
AllWISE
GALEX
SDSS9
XMM
PanSTARRS
