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Doubles in session
Current system
20420+2317
POU 4885 AC
Nearby doubles
3' : 20421+2319
BKO 843AB
3' : 20418+2317
BKO 841
5' : 20417+2318
BKO 839
5' : 20418+2321
BKO 840
7' : 20415+2318
BKO 837
8' : 20415+2317
BKO 838
9' : 20416+2323
POU4871
10' : 20425+2310
LDS6416
12' : 20427+2322
POU4909
12' : 20427+2324
POU4908
12' : 20424+2327
POU4895
13' : 20412+2322
POU4866
13' : 20423+2328
POU4894
13' : 20411+2321
POU4864AB
14' : 20411+2322
BKO 835
15' : 20416+2331
POU4873
18' : 20424+2334
POU4896
19' : 20418+2259
HO 595
20' : 20434+2318
POU4919
21' : 20411+2333
POU4862
22' : 20435+2323
POU4920
22' : 20430+2334
POU4911
23' : 20409+2334
POU4855
25' : 20418+2341
POU4876
26' : 20433+2300
HJ 1565
27' : 20439+2318
POU4929
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 20420+2317 : VIRTUAL EYEPIECE
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Pass over with the mouse cursor to display the catalog designation.
Radius:
auto
0.5"
0.8"
1"
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3"
5"
10"
15"
20"
25"
30"
35"
40"
45"
50"
55"
1'
2'
3'
4'
5'
6'
7'
8'
9'
10'
15'
20'
30'
40'
50'
1°
2°
4°
5°
8°
Components only
WDS 20420+2317 : ALADIN DSS IMAGE @ 20
h
41
m
59.65
s
+23° 17' 08.3"
DSS color
DSS blue
2MASS
AllWISE
GALEX
SDSS9
XMM
PanSTARRS