WDS 21431+4021 : VIRTUAL EYEPIECE
 
 

21431+4021 TDT3121A mag 11.85 21431+4021 TDT3121B sep 1.6 P.A. 161.70 mag 12.36 virtual eyepiece
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Radius:
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WDS 21431+4021 : ALADIN DSS IMAGE @ 21h 43m 04.10s +40° 20' 45.3"