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Computed Lists
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Doubles in session
Current system
20175+2521
POU 4342
HD 339940
Nearby doubles
11' : 20171+2512
POU4338
12' : 20177+2510
POU4344
16' : 20184+2511
POU4352
17' : 20173+2505
POU4341
21' : 20184+2501
POU4350
22' : 20176+2500
POU4343
22' : 20166+2503
POU4329
22' : 20183+2539
BU 985AB
23' : 20162+2506
POU4323
25' : 20188+2504
POU4355
25' : 20193+2521
POU4363
25' : 20160+2505
BKO 820
28' : 20193+2509
POU4364
30' : 20157+2503
POU4318
30' : 20196+2522
POU4372
32' : 20180+2450
BKO 821
33' : 20188+2454
POU4357
33' : 20153+2536
BU 983AB
34' : 20180+2553
TDT2151
35' : 20183+2449
POU4349
36' : 20194+2457
GRV 330
39' : 20195+2454
POU4369
40' : 20195+2453
POU4368
43' : 20173+2604
BRT3357
43' : 20203+2501
J 1195
44' : 20194+2446
POU4366
Selections
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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 20175+2521 POU 4342 (HD 339940) : MEASURES
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