SourceEpochImageVisibility
1705+456
1995APR12 2 GHz , 8 GHz 2 GHz , 8 GHz
2003JUL09 2 GHz+ , 8 GHz+ 2 GHz+ , 8 GHz+
2007JAN24 2 GHz+ , 8 GHz+ 2 GHz+ , 8 GHz+
A "+" after the frequency indicates VLBA+ observations.