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Doubles in session
Current system
21556+2823
MLB 577 AB
Nearby doubles
23' : 21539+2821
WSI 8
24' : 21561+2846
COU 837AB
27' : 21553+2850
COU 836
30' : 21559+2753
HJ 1704
36' : 21540+2852
GRV 519
39' : 21565+2900
HJ 1706
42' : 21575+2856
LEP 104
43' : 21580+2755
KPP3375
44' : 21524+2823
NSN 67
44' : 21538+2856
MLB 495
51' : 21573+2738
NSN 749
55' : 21593+2800
MLB 578
59' : 21521+2748
HO 171
60' : 21517+2852
SHN 256
60' : 21555+2724
A 303AB
61' : 21517+2856
HLD 49
64' : 21567+2721
GRV 521
65' : 21575+2923
UC 4612
71' : 21585+2725
A 304AB
74' : 21505+2756
AZC 116
75' : 22012+2818
RAO 691
75' : 22001+2909
BRT 60
77' : 21503+2754
MLB 576
77' : 21510+2911
A 889AB
78' : 21572+2938
TDT3258
81' : 21555+2942
HO 609AB
Selections
Full WDS
Binocular doubles
Binary Systems
Triple Systems
Quadruple Systems
Multiple Systems
Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.
WDS 21556+2823 : VIRTUAL EYEPIECE
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Radius:
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1°
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Components only
WDS 21556+2823 : ALADIN DSS IMAGE @ 21
h
55
m
37.48
s
+28° 23' 29.6"
DSS color
DSS blue
2MASS
AllWISE
GALEX
SDSS9
XMM
PanSTARRS
