SourceEpochImageVisibility
1417+385
1999APR15 2 GHz+ , 8 GHz+ 2 GHz+ , 8 GHz+
2004JUL14 2 GHz , 8 GHz 2 GHz , 8 GHz
2006JUL11 2 GHz+ , 8 GHz+ 2 GHz+ , 8 GHz+
2006SEP13 2 GHz+ , 8 GHz+ 2 GHz+ , 8 GHz+
2007JAN24 2 GHz+ , 8 GHz+ 2 GHz+ , 8 GHz+
2008JAN23 2 GHz+ , 8 GHz+ 2 GHz+ , 8 GHz+
2008MAY14 2 GHz+ , 8 GHz+ 2 GHz+ , 8 GHz+
2008SEP03 2 GHz+ , 8 GHz+ 2 GHz+ , 8 GHz+
A "+" after the frequency indicates VLBA+ observations.