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Doubles in session
Current system
20490+3619
COU 1811
Nearby doubles
13' : 20485+3608
SEI1253
17' : 20503+3615
TDT2569
20' : 20506+3615
SEI1274
22' : 20491+3640
SEI1260
23' : 20474+3629
STT 413AB
24' : 20505+3635
SEI1271AB
25' : 20500+3640
TOB 199
27' : 20502+3642
SEI1270
28' : 20481+3554
SEI1252
30' : 20485+3550
SEI1254
30' : 20503+3645
TDT2568
32' : 20508+3641
SEI1276
32' : 20494+3548
SEI1262
33' : 20506+3552
SEI1273
36' : 20462+3628
TDT2528
40' : 20468+3648
STJ 73
41' : 20471+3545
SEI1247
41' : 20460+3601
SEI1242
42' : 20512+3650
SEI1280
42' : 20465+3550
ES 2196
44' : 20513+3546
TDT2580
44' : 20463+3646
ES 2515AB
45' : 20460+3554
TDT2525
46' : 20521+3645
ES 250
47' : 20501+3534
TDT2567
48' : 20462+3546
SEI1243AB
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 20490+3619 COU 1811 : MEASURES
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