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Doubles in session
Current system
20521+4923
ES 811
Nearby doubles
25' : 20540+4905
HEI 913
38' : 20541+4850
CTI5707
52' : 20572+4936
KPP1431
52' : 20496+5008
ES 94AB
54' : 20470+4901
HDS2962
69' : 20529+4814
ES 812
69' : 20457+4951
TDT2521
69' : 20466+5004
HDS2959
70' : 20465+5005
HDS2958
70' : 20570+5013
TDT2651
76' : 20486+5029
BU 366AB
78' : 20499+5036
CBL 87
79' : 21001+4911
HJ 1604
81' : 20496+4805
HJ 1584
82' : 20438+4921
HEI 911
82' : 20573+4818
HDS2987
83' : 20441+4856
HEI 912
83' : 21005+4911
RAO 445
85' : 20434+4923
STJ 111
88' : 20595+5013
BU 68
89' : 20496+5047
HDS2968
89' : 21001+4841
BU 1210AB
91' : 20585+5028
STF2741AB
92' : 20564+5044
BU 1137
93' : 20449+5023
SKF2395
93' : 20454+4816
UC 254
Selections
Full WDS
Binocular doubles
Binary Systems
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Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.
WDS 20521+4923 : VIRTUAL EYEPIECE
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Radius:
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50'
1°
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8°
Components only
WDS 20521+4923 : ALADIN DSS IMAGE @ 20
h
52
m
05.96
s
+49° 21' 49.1"
DSS color
DSS blue
2MASS
AllWISE
GALEX
SDSS9
XMM
PanSTARRS
