WDS 21139+4042 : VIRTUAL EYEPIECE
 
 

21139+4042 TDT2840A mag 11.69 21139+4042 TDT2840B sep 0.6 P.A. 227.70 mag 11.84 virtual eyepiece
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Radius:
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WDS 21139+4042 : ALADIN DSS IMAGE @ 21h 13m 56.11s +40° 42' 10.6"