WDS 21391+5500 : VIRTUAL EYEPIECE
 
 

21391+5500 STI2580A mag 11.5 21391+5500 STI2580B sep 4.7 P.A. 18.70 mag 11.9 virtual eyepiece
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Radius:
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WDS 21391+5500 : ALADIN DSS IMAGE @ 21h 39m 03.17s +54° 59' 41.9"