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Current system
20568+4254
ENG 77 AB
HD 199580
Nearby doubles
15' : 20564+4308
COU2544
17' : 20556+4243
BRT2282
21' : 20584+4303
ES 1575
21' : 20569+4233
GRV 399
24' : 20590+4259
LDS2475
26' : 20573+4319
ES 1450
27' : 20592+4257
ES 1576
29' : 20553+4231
STT 423
34' : 20553+4322
LDS2468
38' : 20584+4326
ES 1451
40' : 20553+4218
OSO 137AB
41' : 20550+4219
LDS2467
41' : 20565+4333
BRT1139
42' : 20568+4335
BRT1957
43' : 20530+4258
COU2542
44' : 20598+4321
LDS2479
44' : 20590+4330
LDS2476
44' : 20598+4225
CLZ 78
50' : 20547+4211
CVR 233
51' : 20535+4328
LDS2465
52' : 20559+4345
COU2543
52' : 20524+4314
LDS2462
52' : 21015+4301
TDT2698
56' : 20519+4309
GRV 389
56' : 20595+4339
LDS2478
60' : 20534+4208
LDS2464
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Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.
WDS 20568+4254 ENG 77 AB (HD 199580) : VISUAL OBSERVATIONS REPORTS
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