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Current system
20181+4044
STF 2666 AC


Nearby doubles
12' : 20184+4033
ARN 49

15' : 20177+4030
HDS2897

26' : 20176+4020
BRT2259

26' : 20169+4022
BU 661AB

30' : 20170+4017
CNT 5

31' : 20187+4113
COU2640

31' : 20197+4108
STTA205

33' : 20207+4031
TDT2193

33' : 20158+4024
TDS1055

34' : 20155+4030
A 390

34' : 20210+4041
TDT2199

35' : 20204+4021
TDT2186

39' : 20181+4122
ES 1674

39' : 20148+4035
TDT2118

40' : 20185+4123
TDT2154

43' : 20163+4007
MLB1013

43' : 20144+4048
TDT2113

45' : 20171+4127
ARN 97

46' : 20221+4042
ES 1676

47' : 20205+4127
LI 4

47' : 20205+4122
LI 5AB

48' : 20151+4118
A 387AB

49' : 20178+3956
HJ 2951AB

49' : 20199+4000
MLB1015

50' : 20138+4055
TDT2106

51' : 20137+4050
DOO 13



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Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.
 
 
WDS 20181+4044 : VIRTUAL EYEPIECE
 
 

20181+4044 STF2666A mag 5.96 Sp O9IV 20181+4044 CHR 96Ab sep 0.1 P.A. 156.80 mag 6.8 20181+4044 STF2666B sep 2.2 P.A. 238.20 mag 8.24 Sp B1.5 20181+4044 STF2666C sep 34.4 P.A. 206.70 mag 10.7 Sp B8V 20181+4044 TAR 5D sep 49.6 P.A. 180.50 mag 11 Sp B9V virtual eyepiece
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Radius:
Components only
 
 
WDS 20181+4044 : ALADIN DSS IMAGE @ 20h 18m 06.99s +40° 43' 55.6"