WDS 20406+4900 : VIRTUAL EYEPIECE
 
 

20406+4900 ES  509A mag 9.58 Sp F8 20406+4900 ES  509B sep 5.8 P.A. 291.90 mag 12.8 virtual eyepiece
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Radius:
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WDS 20406+4900 : ALADIN DSS IMAGE @ 20h 40m 38.36s +48° 59' 55.9"