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Doubles in session
Current system
20420+2501
POU 4889
Nearby doubles
3' : 20418+2502
POU4880AB
6' : 20423+2457
POU4897
6' : 20424+2506
POU4898AB
7' : 20425+2503
TDT2485
7' : 20415+2459
POU4874
9' : 20414+2500
J 512
9' : 20425+2508
POU4901
10' : 20420+2510
POU4888
10' : 20420+2452
POU4886AB
11' : 20426+2509
POU4904
11' : 20416+2510
POU4875
13' : 20425+2451
POU4903
13' : 20417+2449
POU4877AB
14' : 20419+2448
POU4881
15' : 20420+2516
POU4890
16' : 20413+2513
POU4869
16' : 20432+2502
POU4914
17' : 20408+2505
POU4854
18' : 20409+2510
POU4857
18' : 20412+2448
POU4868
19' : 20434+2500
POU4921
19' : 20410+2449
POU4865
20' : 20422+2442
POU4892
22' : 20436+2505
POU4924
23' : 20419+2439
POU4882
24' : 20410+2443
POU4858
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+2501 : VIRTUAL EYEPIECE
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Pass over with the mouse cursor to display the catalog designation.
Radius:
auto
0.5"
0.8"
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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+2501 : ALADIN DSS IMAGE @
DSS color
DSS blue
2MASS
AllWISE
GALEX
SDSS9
XMM
PanSTARRS