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Doubles in session
Current system
21487+3914
TDS 1147
Nearby doubles
4' : 21490+3912
TDT3173
8' : 21481+3911
TDT3162
25' : 21504+3927
HO 170
25' : 21493+3937
SEI1536
26' : 21492+3849
TDT3176
27' : 21509+3918
MLB 788
35' : 21506+3847
MLB 962
38' : 21505+3944
ES 211AB
38' : 21464+3847
MLB 961
39' : 21513+3938
TDT3196
40' : 21512+3941
TDT3192
43' : 21520+3857
COU1823
43' : 21459+3943
SEI1535
45' : 21453+3853
TDT3139
50' : 21458+3945
MLB 902
51' : 21529+3901
SEI1542
52' : 21450+3942
GRV 499
53' : 21445+3933
A 1447
56' : 21526+3841
MLB 991
57' : 21454+3955
SEI1534
58' : 21493+3816
A 1448
62' : 21520+3826
HDS3114
64' : 21466+3815
COU1639
68' : 21506+4017
SEI1539
68' : 21429+3904
GRV 496
69' : 21484+3806
ALI 694
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Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.
WDS 21487+3914 : VIRTUAL EYEPIECE
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Components only
WDS 21487+3914 : ALADIN DSS IMAGE @ 21
h
48
m
41.86
s
+39° 13' 41.3"
DSS color
DSS blue
2MASS
AllWISE
GALEX
SDSS9
XMM
PanSTARRS