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Doubles in session
Current system
20397+4734
ES 90 AB,C
HD 197117
Nearby doubles
11' : 20389+4741
A 746
14' : 20397+4721
A 748
30' : 20379+4757
STF2707AB
30' : 20389+4803
CNT 7
31' : 20379+4710
TDT2436
31' : 20414+4758
ES 809AB
34' : 20383+4804
ES 89AB
38' : 20397+4806
ES 806AB
39' : 20361+4745
HJ 1549
41' : 20437+4733
A 749
45' : 20434+4712
TDT2496
49' : 20396+4823
RAO 616
51' : 20443+4716
TDT2509
55' : 20409+4828
ES 808
56' : 20387+4830
HJ 1558
57' : 20450+4718
BRT2274
60' : 20437+4651
TDS1096
63' : 20352+4651
MZA 30AB
64' : 20353+4650
MZA 37AB
64' : 20341+4804
YSC 116
65' : 20336+4719
ES 665
66' : 20388+4629
BRT2268
66' : 20334+4752
J 4
66' : 20349+4651
STTA208AB
68' : 20431+4637
BRT2273
71' : 20335+4703
A 738AB
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Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.
WDS 20397+4734 ES 90 AB,C (HD 197117) : MEASURES
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