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Doubles in session
Current system
21397+5815
MLB 90 AB
HD 239731
Nearby doubles
33' : 21436+5827
LDS4905
33' : 21391+5742
PET 8
35' : 21434+5834
MLB 91
35' : 21385+5741
PET 7
38' : 21366+5842
BU 371
40' : 21380+5738
PET 6
41' : 21404+5735
STF2819
41' : 21418+5737
HJ 3055
43' : 21426+5851
SKF2029
44' : 21394+5732
PET 9
44' : 21435+5847
BU 690AB
Garnet star
44' : 21429+5738
VBS 35
45' : 21377+5734
D 25AB
46' : 21364+5738
PET 4
46' : 21395+5729
STI2582
46' : 21390+5729
BU 1143AB
48' : 21373+5731
PET 5
49' : 21413+5728
TDS1141
50' : 21373+5900
HJ 1677AB
56' : 21360+5728
STF2813
58' : 21462+5748
HJ 1694AB
60' : 21328+5839
HJ 1659AB
62' : 21405+5713
PET 10
64' : 21335+5857
MLR 437
66' : 21346+5906
STF2810
70' : 21314+5754
ES 1800
Selections
Full WDS
Binocular doubles
Binary Systems
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Quadruple Systems
Multiple Systems
Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.
WDS 21397+5815 (HD 239731) : VIRTUAL EYEPIECE
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Radius:
auto
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45"
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55"
1'
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3'
4'
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6'
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8'
9'
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30'
40'
50'
1°
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4°
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8°
Components only
WDS 21397+5815 (HD 239731) : ALADIN DSS IMAGE @ 21
h
39
m
44.44
s
+58° 14' 44.0"
DSS color
DSS blue
2MASS
AllWISE
GALEX
SDSS9
XMM
PanSTARRS