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20423+4549 - BKO158AF Constellation : Cyg AD 20h42min20.31sec / Dec +45°49min24.5sec
Components Primary Secondary WDS data WDS Notes
Magnitudes 7.66 12.20 Negleted : non NNotes found in WDSNOT MEMO of WDS.
Proper Motion RA -056 -009 Precise coordinates : oui
Mouvement propre Dec -189 +002 Spectre : G2V
Nb of observations : 11 Angle Separation Cross references (wds id) *I* | *P*
First measure : 1998 146 42.900
Last measure  : 2015 143.10 40.993
Measurement history (InformationThis historical is indicative. It is incomplete and may contain errors. It is built as and when updates to WDSTOOL and does not take into account any subsequent modifications to WDS.)
2012 143.70 41.040



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